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Curtain Wall Contractors

Last updated: March 2026

This directory lists 86 curtain wall contractors across the United States, from specialized design-build firms to large-scale installation experts.

Procurement teams often face the daunting task of securing a facade partner capable of delivering precise blast-resistant glazing for security-critical projects, or navigating the intricacies of hurricane impact rated (HVHZ) systems for coastal developments. Other common problems include sourcing for complex geometries requiring custom extrusions, or achieving specific U-factors and Solar Heat Gain Coefficients (SHGC) for high-performance buildings.

The spectrum of curtain wall contractors ranges from boutique fabricators specializing in bespoke spandrel treatments or complex geometrics, to integrated design-build powerhouses managing entire building envelopes including associated rainscreen panels. Some excel in stick-built systems for greater on-site flexibility, while others are masters of off-site assembly and rapid installation of unitized systems.

Buyers approaching this market must arrive with a clear understanding of their performance requirements, including desired U-factors and SHGC, and be prepared to share detailed architectural drawings and structural load data. Suppliers, in turn, expect comprehensive bid packages outlining project scope, timeline, and material specifications, often requiring early engagement for value engineering insights.

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Company Directory

86 companies nationwide

Bellevue, WA

Based in Bellevue, WA, 7Glass specializes in commercial glass services. They offer installation and repair of architectural curtain wall systems for large buildings, alongside storefront windows, glass partitions, and railings. The company provides premium quality materials, local expertise, and custom solutions for businesses.

Orlando, FL

Based in Orlando, FL, CT Windows, LLC dba Architectural Aluminum Techniques provides facade design, fabrication, and installation of high-performance exterior glazing systems. They specialize in unitized and stick aluminum curtain walls, serving commercial, hospitality, healthcare, and education clients throughout Central and North Florida.

Acuff Quality Glass specializes as glass and window experts for commercial office buildings. With over 35 years of experience, the company provides services for large-scale commercial properties, encompassing various glass and window system installations and related contracting work for building envelopes.

Livermore, CA

Based in Livermore, CA, Architectural Glass & Aluminum provides end-to-end facade and glazing system solutions. The company specializes in architectural glass, aluminum systems, and other infill products, offering design-assist, manufacturing, and performance mock-ups. They serve various industries, including aviation, tech, and life sciences, for new construction and renovations.

Selbyville, DE

Based in Selbyville, DE, Alutech United Inc. manufactures and supplies high-quality aluminum architectural systems. Specializing in curtain wall systems, windows, doors, and facades, they provide innovative solutions for residential, commercial, and industrial building projects across the United States.

Apopka, FL

Architectural Glass Services, LLC is a commercial glazing contractor based in Apopka, FL, established in 1992. The company provides installation services for commercial projects across Central Florida, including office buildings, hospitals, schools, theme parks, hospitality, and retail. They also offer design assistance to architects, owners, and general contractors.

Greenwood, IN

Based in Greenwood, IN, Architectural Walls, Inc. provides comprehensive construction services with over 35 years of experience. Specializing in ground-up and architectural wall projects, their team manages unexpected challenges, ensuring client projects stay on track and are completed with attention to detail.

Anaheim, CA

Artisan Glass & Design Inc. is an Anaheim, CA-based custom glass and metal fabricator specializing in architectural solutions. They provide curtain walls, storefronts, windows, and doors for commercial, industrial, and residential clients, utilizing state-of-the-art machinery for their fabrication services.

Based in Wayne, NJ, Atlantic Exterior Wall Systems, LLC provides pre-fabricated exterior wall systems. They also offer interior stone and tile services. The company focuses on delivering comprehensive solutions for building envelopes, catering to commercial and industrial projects that require advanced wall construction and finishing.

Norcross, GA

Based in Norcross, GA, Eastern Glass and Aluminum is a building envelope contractor. They specialize in metal panels, glazing, roofing, subroofs, and offer in-house fabrication, design, engineering, and comprehensive project management services.

Virginia Beach, VA

Based in Virginia Beach, VA, Burgess Snyder Industries, Inc. specializes in the design, production, and installation of commercial glass and glazing products. With 70 years of experience, this family-owned company serves the Mid-Atlantic region, providing comprehensive services for commercial glass projects.

Rancho Cordova, CA

Based in Rancho Cordova, CA, Capital Glazing is a licensed contractor providing professional glazing and construction services. They specialize in curtain walls, storefronts, windows, doors, glass railings, and shower partitions. Serving both residential and commercial clients, Capital Glazing delivers high-quality workmanship and cost-effective solutions.

Pompano Beach, FL

Based in Pompano Beach, FL, Crystalia Glass LLC specializes as a glass and mirror supplier and manufacturer. The company provides products including custom glass, partitions, railings, and commercial glass. They offer storefront and curtain wall systems, designed for optimal natural light, energy efficiency, and durability for various architectural projects.

South Windsor, CT

Based in South Windsor, CT, Commercial Storefront Services Inc. offers custom fabrication and installation for commercial glass and aluminum systems. They specialize in multi-level curtain walls, storefronts, skylights, and security glazing. Serving retail, commercial, educational, and medical clients, their services extend across Connecticut, Rhode Island, and Western Massachusetts.

Houston, TX

Based in Houston, TX, Cyrex Glass & Mirror offers commercial glazing services, manufacturing and installing custom storefronts, curtain walls, and various architectural glass systems. They provide repair and replacement services for commercial properties throughout Texas, partnering with architects and contractors on diverse glass projects.

Phoenix, AZ

Demers Glass, a family-owned and operated company serving Arizona since 1977, provides comprehensive commercial and residential glass services. They specialize in offering and installing curtain wall systems designed to meet various commercial project requirements. The company currently services the entire state of Arizona.

Detroit, MI

Based in Detroit, MI, Dynamic Glazing Systems, Inc. provides comprehensive glazing solutions for various commercial and residential projects. The company specializes in installations for commercial dealerships, fitness centers, hospitality, mall fronts, and custom residential properties.

Corona, CA

Based in Corona, CA, Exterior Cladding Systems, Inc. specializes in planning, design, engineering, manufacturing, and assembly of custom exterior building enclosures. They develop tailored systems and solutions, including ACM panel fabrication, addressing aesthetic and performance requirements for commercial projects, as demonstrated by their work on the Jaguar Land Rover dealership.

Bloomington, MN

Enclos Corp. specializes in providing advanced facade and curtain wall solutions for complex building projects. With expertise in design, engineering, and build, the company delivers high-performance double-skin facades, leveraging innovative technology to enhance energy efficiency and daylight access for clients.

South Holland, IL

Based in South Holland, IL, Entekk Group, Ltd. designs, supplies, and fabricates custom exterior facade systems. They specialize in state-of-the-art unitized monumental facade systems, featuring their patented Talon Wall® curtain wall. This system is engineered to significantly reduce installation time and crew size for commercial construction projects.

Brooklyn, NY

Based in Brooklyn, NY, Facade Systems provides commercial and residential exterior services throughout New York City. The company specializes in the installation of exterior facade panels, architectural cladding systems, metal panels, and glass facades, including curtain wall systems. They also offer roofing, ACM panel installation, waterproofing, and emergency facade repair services.

Based in New York, NY, Fiduciary Glass is a custom glass contractor specializing in curtain wall systems. They provide comprehensive solutions for architects, designers, and contractors, including storefronts, glass partitions, doors, railings, and other custom glass installations. They serve both commercial and residential clients.

Lorton, VA

Based in Lorton, VA, Glazing Contractors of Virginia, Inc. offers commercial glazing services, specializing in heavy glass doors, partitions, automatic doors, fire-rated glass, glass cladding, and aluminum storefronts. With over 25 years of experience, the company consistently delivers for the commercial contracting and architectural community.

Fullerton, CA

Based in Fullerton, CA, Golden Glass specializes in commercial curtain walls, metal panels, and interior glass systems. Operating since 1984, they provide comprehensive services from design and engineering to custom fabrication and quality installation. Serving architects and general contractors, their expertise covers exterior façades, storefronts, and architectural glass solutions.

Warren, MI

Based in Warren, MI, Groesbeck Glazing Contractors, INC. provides commercial storefronts, aluminum windows, and doors. The company specializes in glazing solutions for new construction and remodeling projects, serving commercial clients since 1972.

Durham, CT

Based in Durham, CT, Kensington Glass & Framing Co., Inc. is a commercial contract glazing company. Since 1987, they have specialized in storefront and curtain wall construction, designing and installing glass and metal features for commercial buildings. Their services cover design to installation.

Bradenton, FL

Key Glass, LLC, based in Bradenton, FL, specializes in commercial glass and glazing services. The company provides comprehensive solutions for building envelopes, including curtain walls, storefronts, and other architectural glass installations. They offer a range of systems and services for new construction and renovation projects.

Chandler, AZ

Based in Chandler, AZ, Kovach is an integrated designer, manufacturer, and installer of high-quality panel and glazing systems for commercial building enclosures. They specialize in prefabricated panelized curtain wall units, providing comprehensive solutions from design to installation.

Chicago, IL

Based in Chicago, IL, Landmark Facade Solutions Inc. designs, engineers, and manufactures specialty glass and metal products. They provide structural glass walls, double-skin facades, canopies, glass floors, railings, and perforated metal panels, collaborating with architects and the glazing industry on complex facade systems.

Brooklyn, NY

Based in Brooklyn, NY, Luxury Glass Inc. provides comprehensive glass and mirror solutions for commercial and residential projects. They specialize in the design, fabrication, and installation of high-performance curtain wall systems, alongside custom mirrors, glass shower enclosures, railings, and storefronts.

Antioch, TN

Based in Antioch, TN, LuxView Systems specializes in architectural wall glass facades and luxury window and door systems. They provide durable, sleek, and customizable solutions with massive glass sizes, allowing for unique designs. LuxView serves architects, builders, designers, and developers, enhancing building aesthetics with precision-engineered glass systems.

Brooklyn, NY

Based in Brooklyn, NY, Nova Construction Services specializes in façade restoration and preservation projects throughout the NYC metropolitan area. With over 25 years of experience, they provide comprehensive building envelope solutions, including façade restorations, architectural metals, roofing, and waterproofing, emphasizing quality and project management.

Menomonee Falls, WI

Novum Structures, LLC specializes in the design, engineering, fabrication, and installation of advanced glass structures and building envelopes. They provide full-service solutions for frameless, point-supported, cable-supported, and truss-supported glass walls, enclosures, skylights, and custom structures, serving various architectural and construction projects.

White Plains, NY

Based in White Plains, NY, NY Façade Management LLC specializes in precision-engineered façade systems. They offer unitized curtain walls, slab-to-slab window wall systems, custom storefronts, and glass railings. The team ensures streamlined installation, high quality, and weather resistance for architectural projects from concept through completion.

Huntington, NY

Based in Huntington, NY, Oyster Bay Glass Works specializes in the installation and repair of curtain wall glass and windows. They provide custom glass solutions for commercial and residential clients, enhancing offices and various buildings. With a focus on quality craftsmanship, the company also offers comprehensive custom glass services, including partitions.

Based in Baltimore, MD, Quality Walls & Windows, LLC is a commercial aluminum and glass contractor. They provide in-house fabrication and installation services for glass curtain walls, aluminum windows, storefronts, and entrance systems. The company offers project design support to commercial clients in PA, MD, DE, VA, NJ, and Washington D.C.

Glenview, IL

Based in Glenview, IL, Savocchi Glass Company, Inc. specializes in curtain wall installation. With over 75 years experience, they offer comprehensive glass, window, and door solutions for residential and commercial projects. This includes storefronts, various window types, and custom glass applications for the Chicago area.

Long Island City, NY

Based in Long Island City, NY, seele is a technology leader in innovative façade construction and building envelopes. The company provides comprehensive solutions for spectacular building skins, from intelligent planning to efficient installation. seele engineers unique architectural creations, including steel-and-glass and structural glass unitised façades.

San Diego, CA

Based in San Diego, CA, Singularity Glazing, Inc. provides comprehensive commercial and industrial glazing solutions. They offer design, engineering, permitting, supply, and installation services for building skins, including curtain walls, storefronts, and window walls, serving projects across Southern California.

Jersey City, NJ

Based in Jersey City, NJ, Sky Windows NJ specializes in the design, fabrication, and installation of high-quality glass and aluminum products. They provide comprehensive architectural glazing and façade solutions, including advanced window systems. Their services cater to commercial and residential projects, focusing on precise engineering and professional execution.

Punta Gorda, FL

Based in Punta Gorda, FL, Southern Coast Glazing specializes in commercial glass installation and aluminum frame fabrication. They deliver high-quality storefronts, curtain walls, and aluminum-framed glass systems for commercial buildings. The company partners with contractors, architects, and developers to create durable, aesthetically refined structures.

Hartford, CT

Based in Hartford, CT, SWI Glass & Metal provides comprehensive glass fabrication and installation services. Established in 1959, the company offers preconstruction planning, design-build architectural modeling, and construction management. They specialize in executing various architectural glass and metal projects, demonstrating a strong capability for curtain wall systems.

Bliss, TX

Unicel Architectural manufactures and installs highly engineered glass, timber, and aluminum curtain walls and skylights. They offer comprehensive project support, from CAD design and engineering to manufacturing and installation. Their innovative solutions provide longevity, energy efficiency, and privacy control for architects and specialized healthcare applications.

Fredericksburg, VA

Vision Systems, Inc. specializes in fabricating and unitizing various window wall and curtainwall systems. These are shipped to job sites for immediate erection and glazing, providing a complete package. With 25 years of experience, the company maintains an outstanding reputation for expertise in the field.

Replacement Washington, DC

Based in Washington, DC, Washington DC Windows and Doors specializes in commercial glazing services for the DC metropolitan area. They offer installation, replacement, and repair of curtain wall systems, storefronts, and other commercial windows and doors. The company works with various materials to meet diverse property needs.

Santa Ana, CA

Based in Santa Ana, CA, Woodbridge Glass, Inc. is a family-owned contract glazing company operating since 1981. A Los Angeles City Certified Fabricator, they provide diverse contract glazing services for major public and private facilities. They are one of Southern California's largest firms, specializing in tailored solutions.

Nanuet, NY

Based in Nanuet, NY, W&W Glass, LLC partners with architects to engineer, supply, and install advanced structural glass systems for commercial buildings. Specializing in design-build and design-assist new construction, they offer facade reskinning and lobby repositioning. Their Insight System delivers on design intent and performance.

Troy, MI

Curtis Glass Company, based in Troy, MI, is a glazing contractor. They offer fabrication and installation of glazed aluminum curtainwall, storefronts, and doors from their 35,000 sq ft facility. Serving diverse commercial and institutional sectors, the company successfully completes projects across the United States and Canada.

Glasscon specializes in bespoke custom curtain walls, advanced glass facades, tensile fabric facades, and solar shading systems. As an engineering and construction company, they design, engineer, and install complex building envelopes, providing complete air tightness and waterproofing for commercial projects.

West Orange, NJ

IQ Glass International specializes in the design, supply, and installation of bespoke architectural glass systems, including advanced glass facades and curtain walls. Their innovative solutions cater to high-end commercial and residential projects, offering structural glazing, glass doors, and custom glass structures. They provide comprehensive services for transforming building exteriors.

Mendota Heights, MN

Permasteelisa Group provides comprehensive façade services, specializing in the design, manufacture, installation, and aftercare of innovative, sustainable, high-performance curtain walls. They deliver complete, bespoke solutions that enhance building performance, shape city skylines, and bring renowned retail stores to life.

Fort Myers, FL

Based in Fort Myers, FL, Precision Glass Solutions offers comprehensive glass and glazing services for commercial, government, and multi-family residential buildings. They manage projects from initial shop drawings through to installation, providing modern design options. The company also handles custom shower installations and glass repairs.

New Haven, CT

Based in New Haven, CT, Roschmann Group specializes in custom-engineered building envelopes. They provide technically sophisticated facade and roof constructions, delivering bespoke solutions for architects and engineers. A global player in constructive facade building, Roschmann offers high-quality, innovative designs tailored to unique project requirements.

Based in Plainville, MA, Teambes Construction Company provides comprehensive construction services. They specialize in structural steel, miscellaneous metal fabrication, and metal panel installations for commercial, residential, and industrial projects. The company also offers design-build services, delivering durable and aesthetically pleasing building envelope solutions.

Oakland, CA

ACR Glazing Contractors Inc specializes in architectural glazing and high-performance commercial glass solutions. Based in Oakland, CA, they deliver precision craftsmanship for various glass projects, transforming spaces with clarity and style.

East Hartford, CT

Based in East Hartford, CT, Advanced Performance Glass specializes in new glass installation and complex glass solutions for commercial buildings. They offer design assist, in-house fabrication of custom hardware, and coordination with general contractors and architects, backed by decades of experience in the glazing trade.

Byron Center, MI

Architectural Glass & Metals, based in Byron Center, MI, provides single-source building enclosure systems and premium exterior building products. Specializing in engineered curtainwalls, glass skylights, and metal panel systems, the company offers in-house architectural support and fabrication services, ensuring expert installation on schedule and within budget.

Downey, CA

Based in Downey, CA, Architectural Glazing Systems (AGS) is a contract glazing company with over 33 years of industry experience. AGS provides comprehensive glazing services, including curtain wall installation, focusing on integrity, value, safety, and quality. The company serves clients throughout Southern California, offering dependable service.

San Diego, CA

Architectural Systems, Inc. provides comprehensive building envelope solutions, including design assist, engineering, and installation services. Specializing in facades, rainscreen systems, daylighting, and specialty panels, they serve architects, general contractors, and developers. The company offers expert support from project inception through installation.

Tampa, FL

Based in Tampa, FL, BCI Incorporated provides comprehensive building envelope systems. The company specializes in design, fabrication, installation, and project management for commercial construction. With experience dating back to 1986, BCI Incorporated offers tailored solutions to meet various architectural and structural requirements for their clients.

Gary, IN

Based in Gary, IN, Crown Corr Inc. specializes in designing, fabricating, and installing advanced building envelope systems. They provide comprehensive glazed enclosure and metal panel systems, offering design-assist, 3D modeling/BIM, and in-house fabrication. Crown Corr serves diverse commercial and institutional markets.

Based in Philadelphia, PA, Cypress Door & Glass LLC is a veteran-owned company. They specialize in the installation of full commercial curtain wall and glass wall systems. They handle projects of any size, providing comprehensive services for commercial clients requiring durable and aesthetically pleasing glass solutions.

Dextall provides unitized prefabricated exterior wall systems and integrated design software. The company offers fully integrated exterior wall solutions, empowering architects, developers, and general contractors to construct smart, cost-effective, sustainable, and visually appealing buildings.

Sanford, FL

Diamond Glass Company, based in Sanford, FL, provides extensive glass services for commercial and residential clients. Specializing in storefronts and curtain wall systems, they also offer security entrances, heavy glass walls, insulated glass replacement, and custom shower enclosures. The company serves Georgia and Florida.

Sandy Hook, CT

Glass Contractors LLC, based in Sandy Hook, CT, is a licensed glazing company specializing in custom glass solutions. They provide commercial services, including curtain walls, storefronts, skylights, and office partitions. The company also offers residential glass projects such as custom showers and railings, serving New England and Mid-Atlantic areas.

Glass Enterprises, INC is a full-scale architectural and commercial glass fabrication company based in Bensalem, PA. They manufacture and supply a wide variety of top-quality glass products and architectural aluminum for commercial and architectural projects. The company offers engineering, design, and project planning services to deliver custom facade solutions.

Egg Harbor Township, NJ

Based in Egg Harbor Township, NJ, Guthrie Glass & Metal Corporation provides quality and efficient subcontracting services, specializing in glass and metal work. The company likely installs architectural glazing systems such as curtain walls, storefronts, and custom windows for commercial and industrial projects, focusing on employee empowerment.

Lorain, OH

Based in Lorain, OH, Lakeland Glass & Mirror provides commercial and residential glass services, leveraging over 50 years of experience. The company specializes in commercial storefronts, entrances, and curtain wall installations, alongside window repair, replacement, and emergency board-up services.

Broadview, IL

Based in Broadview, IL, Mertes Contracting Corporation offers commercial and industrial restoration services, including facade repairs and restoration, throughout the greater Chicagoland area. Their general contracting and remodeling expertise extends to maintaining and renovating building exteriors. This focus on facade work indicates capabilities relevant to curtain wall systems.

Atlanta, GA

Based in Atlanta, GA, MG Glass, Inc. offers comprehensive glass installation, repair, and replacement with over two decades of experience. Specializing in commercial glass, storefronts, shower enclosures, window repair, and custom glass doors, walls, and rails, they serve both commercial and residential clients in the Greater Atlanta area.

Los Angeles, CA

Landmark Construction & Development Group Inc. is a Los Angeles-based glazing and commercial contractor. They provide curtain wall installation services for residential and commercial systems. The company also offers full glazing services, including window, door, and glass installation, alongside design-build and commercial remodeling projects.

Rocklin, CA

Based in Rocklin, CA, Pacific Erectors, Inc. is an architectural cladding, façade, and structural specialty contractor. They provide installation services for diverse panel systems, including aluminum composite, plate cladding, European rainscreen products, perforated aluminum, and stainless steel profile siding, focusing on building envelope solutions.

Hollister, CA

Based in Hollister, CA, Pacific Glazing Contractors provides innovative glazing solutions and architectural metal works for the Bay Area's architectural sector. This 100% employee-owned company has been elevating commercial architecture since 2005, delivering comprehensive services for various projects.

Waterloo, NY

R.E. Kelley provides comprehensive window and curtain wall services, specializing in the repair and replacement of aluminum storefronts and curtain wall systems. Their expertise also includes glass replacement and historic window restoration. The company offers direct services, leveraging its own workforce and equipment to serve commercial and industrial clients.

Auburn Hills, MI

Based in Auburn Hills, MI, Rochester Hills Contract Glazing is an experienced glass and glazing contractor. Serving the Metro Detroit area, they specialize in curtainwall, aluminum entrances, storefronts, and skylights, offering quality service for diverse commercial, residential, and institutional projects.

American Canyon, CA

Based in American Canyon, CA, R&S Glazing Specialties provides expert glazing and glasswork services for commercial and high-end construction projects. Owned by Rick and Shannon Johnson, they specialize in custom glass installations, partnering with prominent builders for notable projects.

Carrollton, TX

Vision Enclosure Walls, Inc. is a full-service building enclosure contractor based in Carrollton, TX. They specialize in the design, engineering, fabrication, and installation of custom curtain wall, window wall, storefront, and specialty glazing systems for commercial, institutional, and high-end residential projects.

Tampa, FL

Based in Tampa, FL, West Tampa Glass Co specializes in curtain wall systems and architectural glass solutions. They offer various product lines, including WTG 500, 700, and 900 series curtain walls, along with WTG 200 series composite panels. The company also provides robust solutions for bomb blast, wind, and water resistance.

Tampa, FL

Based in Tampa, FL, Window Wall specializes in the design, engineering, fabrication, and installation of high-performance architectural glass and glazing systems. They are experts in Curtain Walls, Window Walls, Storefronts, and Glass Railings, serving commercial and high-end residential projects.

Greensboro, NC

Based in Greensboro, NC, WxTite is a specialty envelope contractor providing weathertight solutions for commercial structures. They offer services including commercial roofing, siding installation, recladding, and building envelope restoration. WxTite specializes in façade reconstruction and repair, ensuring buildings are protected from the elements.

Detroit, MI

A-Team Glass & Mirror LLC, based in Detroit, MI, provides commercial and residential glass contracting services. Specializing in curtain wall, storefront, window, and door installations, the company also offers custom glass solutions, shower doors, and glass railings for diverse projects throughout the Detroit area.

Danielson, CT

Architectural Glass & Aluminum LLC is a family-owned commercial glass and glazing contractor based in Danielson, CT. They specialize in providing services for storefronts, curtain walls, entrances, windows, and panels. The company serves the commercial industry with a focus on quality and timely project completion.

Fort Lauderdale, FL

Based in Fort Lauderdale, FL, Crawford-Tracey Corporation is a glazing contractor and manufacturer. The company specializes in unitized and pre-glazed curtain wall systems, window walls, and storefronts. They also provide impact-resistant window and door products, offering custom architectural glazing solutions for various commercial projects.

Lithonia, GA

Based in Lithonia, GA, Glass Systems Inc specializes in the design, fabrication, and installation of comprehensive glass systems for commercial and industrial applications. This includes providing expert curtain wall contracting services, along with various glazing and facade solutions, contributing to modern architectural projects.

Based in Washington, DC, Lumina Glass & Windows provides custom glass solutions, specializing in design, fabrication, and installation. They offer a comprehensive range of services for commercial and residential projects, including storefronts, glass railings, and intricate curtain wall systems.

Clearwater, FL

SunCoast Group specializes in comprehensive maintenance, repair, and restoration services for commercial building envelopes. This includes expert work on curtain wall and window wall systems, waterproofing, leak repair, and facade cleaning. Based in Clearwater, FL, they provide essential services for the longevity and integrity of commercial properties.

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How to Choose a Company

  • Verify their engineering team's experience with the specific curtain wall system (e.g., unitized vs. stick-built) and their capacity to provide detailed shop drawings and calculations for wind loads, seismic considerations, and glass deflection.
  • Demand clear evidence of successful performance mock-ups (PMUs) for projects of similar scale and complexity, specifically addressing air, water, and structural performance under AAMA/FGIA and ASTM E standards (e.g., AAMA 501.1, ASTM E283, E330, E331).
  • For projects in high-wind zones or requiring specific safety considerations, ensure the contractor has a verifiable track record with hurricane impact rated (HVHZ) systems or blast-resistant glazing, complete with relevant product approvals and test reports.
  • Assess their in-house or subcontracted thermal modeling capabilities to optimize for specific U-factors and SHGC, critically evaluating their proposed thermal breaks and condensation resistance factors for your climate.
  • Request detailed references for their experience coordinating with other facade trades (e.g., roofing, waterproofing, structural steel) and managing expansion joints, as poor integration often leads to water ingress or structural issues.
  • Beware of contractors who consistently push a single proprietary system without demonstrating a willingness to explore alternative solutions or value engineering options that better align with the project's performance or budget constraints; this can limit your design flexibility and drive up costs.

Frequently Asked Questions

What's the difference between a unitized and a stick-built curtain wall system, and how does it impact my project?

A stick-built system involves assembling the facade components – mullions, transoms, and glazing – piece by piece on-site. It offers greater field adjustment flexibility, often preferred for complex geometries or renovation projects. Unitized systems, conversely, are factory-assembled panels, sometimes including glazing and spandrel panels, that are shipped to the site and hung onto the building structure. Unitized systems offer superior quality control, faster on-site installation, and reduced site labor, making them ideal for large, repetitive facades or projects with tight schedules.

How important is a Performance Mock-Up (PMU) for curtain wall projects, and what should it include?

A Performance Mock-Up (PMU) is critically important; it's a non-negotiable step for significant curtain wall projects. It's a full-scale physical section of the proposed facade, built off-site and subjected to rigorous testing for air infiltration (ASTM E283), water penetration (ASTM E331, AAMA 501.1), and structural performance under wind loads (ASTM E330). A thorough PMU should also test dynamic water penetration (AAMA 501.2) and often includes visual mock-ups to confirm aesthetic intent and material compatibility. It helps identify design or fabrication flaws before mass production.

What specific certifications or performance standards should I look for in a curtain wall contractor?

Beyond general building codes, look for demonstrated compliance with AAMA/FGIA (Fenestration and Glazing Industry Alliance) standards, which cover air, water, and structural performance. ASTM E standards are crucial for specific test methods (e.g., E283, E330, E331). For energy efficiency, NFRC (National Fenestration Rating Council) ratings for U-factor, SHGC, and Visible Transmittance (VT) are essential. In hurricane-prone regions, compliance with local codes like Florida Product Approvals or specific HVHZ (High-Velocity Hurricane Zone) testing is paramount. LEED accreditation or experience with green building standards is also valuable for sustainable projects.

What's the role of thermal breaks in a curtain wall, and how do I evaluate a contractor's expertise with them?

Thermal breaks are critical components within curtain wall frames designed to reduce heat transfer (conduction) between the exterior and interior surfaces, thereby improving energy efficiency and mitigating condensation. To evaluate a contractor's expertise, inquire about their experience with various thermal break materials (e.g., polyurethane pour-and-debridge, polyamide strips) and systems. Request specific project examples where they achieved stringent U-factor or condensation resistance requirements. Also, ask how they verify the integrity and effectiveness of their thermal breaks during fabrication and installation.

When should I engage a curtain wall contractor in the project timeline, and why?

Engaging a curtain wall contractor early in the design phase, ideally during Schematic Design or Design Development, is highly advantageous. This allows their engineering and pre-construction teams to provide crucial design-assist input, value engineering suggestions, and constructability reviews. Early involvement can optimize system selection, identify potential fabrication or installation challenges, and refine budgets. Waiting until the Construction Document phase risks missed opportunities for cost savings and can lead to costly redesigns or schedule delays if proposed designs are not feasible or economical for facade construction.

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