Ply Gem
Ply Gem Residential Solutions, a division of Cornerstone Building Brands, manufactures and distributes vinyl siding, windows, patio doors, stone veneer, trim, fence, and accessories for residential construction and remodeling markets across North America, selling through building materials distributors and dealers under the Ply Gem, Mastic, and Variform brands.
- Company typePrivate
- Founded2004
- HeadquartersCary, United States
- Headcount1,001–5,000
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What Ply Gem does
Ply Gem Residential Solutions is a North American manufacturer of exterior building products for the residential construction and renovation markets, operating as a division of Cornerstone Building Brands (NYSE: CNR) and headquartered in Cary, North Carolina. The company markets 'The Total Designed Exterior'—an integrated portfolio spanning vinyl and metal siding, windows, patio doors, stone veneer, PVC trim and moulding, fence and railing, shutters, and metal/rainware products—distributed under the Ply Gem, Mastic, and Variform brands.
At the technology layer, Ply Gem's products are built on vinyl extrusion and coextrusion manufacturing with proprietary features such as SolarDefense Reflective Technology (fade-resistant dark colors), Weather Warrior Technology (hurricane-grade panel performance), the Structure Home Insulation System (siding-integrated foam insulation), ENERGY STAR-certified Low-E and triple-pane window configurations, and impact-resistant laminated glass for severe-weather markets. Regional product calibration (East vs. West series) addresses variation in U.S. and Canadian building codes and climate conditions.
Revenue is generated primarily through wholesale hardware sales to a national network of building materials distributors and dealers, who supply contractors, builders, and homeowners. The company operates a dual-track go-to-market: a homeowner-facing motion emphasizing design inspiration, the Home Design Visualizer tool, and the Dave & Jenny Marrs HGTV partnership, alongside a professional-facing motion through Pro Academy training, Pro Solutions rewards (up to 3% rebate), BIM libraries, and technical documentation. Pricing is quote-based and not publicly disclosed; professional programs create a recurring-style engagement layer atop one-time product purchases.
Ply Gem firmographics
Firmographics- Name
- Ply Gem
- Legal name
- Ply Gem Residential Solutions
- Website
- https://plygem.com
- Company type
- Private
- Founded year
- 2004
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- Ply Gem Residential Solutions, a division of Cornerstone Building Brands, manufactures and distributes vinyl siding, windows, patio doors, stone veneer, trim, fence, and accessories for residential construction and remodeling markets across North America, selling through building materials distributors and dealers under the Ply Gem, Mastic, and Variform brands.
- Ownership category
- akta.pro rank
Ply Gem industry classification
Industry- Product category
- Residential Exterior Building Materials Manufacturing
- NAICS
- Siding Contractors (238170)
- SIC
- Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) (2820)
- akta.pro primary industry
- Pergola, Arbor & Trellis Installation/Repair (HSAIAJAG)
- akta.pro secondary industry
- Roofing Systems & Waterproofing (Membranes, Shingles, TPO/EPDM, Liquid-Applied) (IMAFAMAA)
Keywords
Where Ply Gem is headquartered
LocationHeadquarters
- HQ city
- Cary
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Ply Gem business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D
Revenue model
- Building Materials Sales: Ply Gem generates revenue through the sale of exterior building products including vinyl siding, windows, patio doors, stone veneer, fence, railing, trim, shutters, and metal rainware to distributors, dealers, and directly to building professionals and homeowners. Products are sold through building materials distribution networks across North America.
- Professional Programs: Revenue generated through professional contractor and builder relationships via Pro Solutions rewards program offering up to 3% back on qualifying purchases, business-building services, and exclusive promotions.
Go-to-market motion2 records
Distribution channels1 record
Marketing channels6 records
Ply Gem product offering
Product offeringCore offering
Ply Gem manufactures and distributes a portfolio of residential exterior building products including vinyl siding, windows, patio doors, stone veneer, trim and moulding, fence and railing, shutters, and metal rainware through three brands (Ply Gem, Mastic, and Variform). Products are sold through a national network of building materials distributors and dealers serving both residential homeowners and building professionals for new construction and replacement/renovation projects. The company integrates proprietary technologies such as SolarDefense Reflective Technology, Weather Warrior Technology, and coextrusion manufacturing to deliver energy-efficient, weather-resistant, and curb-appeal-focused exterior systems across North America.
Product overview
Ply Gem is a comprehensive exterior building materials company offering The Total Designed Exterior—a portfolio of engineered exterior products designed to work together visually and structurally. The portfolio includes three main brands: Ply Gem (primary brand), Mastic (premium vinyl siding sub-brand), and Variform (vinyl siding sub-brand with 50+ year heritage). Core product categories include: Windows (multiple series in vinyl, aluminum-clad, and aluminum with options for new construction, replacement, and impact-resistant applications), Patio Doors (sliding, multi-slide, French, and swinging in various materials), Stone Veneer (mortared profiles including Canyon Ledge, Cascade Ledge, Cut Cobble, Shadow Ledge, Fieldstone, Manorstone), Trim & Moulding (PVC-based), Fence & Railing (vinyl and aluminum), Shutters & Accessories (board & batten, louvered, raised panel styles), and Metal & Rainware (gutters, fascia, soffit, trim coil). Mastic brand specializes in vinyl siding with exclusive technologies like SolarDefense Reflective Technology and the Structure Home Insulation System. Variform offers vinyl and insulated siding with Weather Warrior Technology. The products are supported by digital design tools (Home Design Visualizer by Renoworks), BIM libraries, Pro Academy training, and Pro Solutions contractor rewards program.
Differentiator
Problem solved
Functional benefit
Brands
- Mastic: Premium vinyl siding solutions featuring SolarDefense Reflective Technology, Structure Home Insulation System, and other innovative vinyl siding products. Mastic slogan is 'Make More Possible.'
- Variform
- Ply Gem Performance Collection
Products and services
- Ply Gem Windows
Quantifiable outcome
- Up to 40% improvement in window energy performance with triple-pane glass compared to dual-pane
- +2 more outcomes
Companies that use Ply Gem
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
Ply Gem technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Ply Gem partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and minor.
- Dave and Jenny Marrs (Fixer to Fabulous HGTV)coreDave and Jenny Marrs, hosts of HGTV's 'Fixer to Fabulous,' are brand partners for Cornerstone Building Brands and the Ply Gem Portfolio of Brands. They showcase Ply Gem windows, Mastic siding, and other products in real renovation projects aired on television. The partnership brings product visibility to homeowners undertaking exterior renovations and demonstrates performance to building professionals.
- Habitat Wake (Habitat for Humanity of Wake County)minorCornerstone Building Brands served as presenting sponsor of Habitat for Humanity of Wake County's Builders Blitz 2025, providing Ply Gem 1500 windows and Mastic siding for 5 homes built in one week. The partnership supports affordable housing while showcasing products in action.
- Fortify Building SolutionsminorFortify Building Solutions' Slimline metal roofing products were featured alongside Ply Gem products in the Gloeckler renovation project on Fixer to Fabulous. Products work together in comprehensive exterior renovation packages.
- Simonton Windows & DoorsminorSimonton windows and doors were featured alongside Ply Gem products in HGTV renovation projects. Both brands are part of the Cornerstone Building Brands family and are coordinated in complete exterior solutions.
Scale indicators4 records
Recent moves5 records
Expansion highlights5 records
Ply Gem competitors and assessment
Company assessmentDirect peers
- Andersen Corporation: Andersen is a leading window and door manufacturer directly competing with Ply Gem Windows across multiple product tiers including vinyl, wood/clad, and fiberglass lines. Both serve residential replacement and new construction through dealer networks and pro channels.
- Pella Corporation: Pella manufactures residential windows and doors including vinyl, fiberglass, and wood/clad lines that compete directly with Ply Gem Windows across replacement, new construction, and impact-resistant categories. Both emphasize energy efficiency and designer-grade aesthetics.
- Louisiana-Pacific (LP Building Solutions): LP Building Solutions manufactures LP SmartSide engineered wood siding and related exterior products, directly competing with Ply Gem's vinyl siding lines. Both target the same residential remodeling and new construction segments through similar distribution channels.
- JELD-WEN Inc. JELD-WEN is a major manufacturer of windows, doors, and related building products that directly competes with Ply Gem's window and patio door lines. Both companies have a national distribution footprint and serve residential repair/remodel and new construction segments.
- Champion Window Holdings: Champion manufactures and installs replacement windows, siding, and roofing for homeowners. While Champion is more direct-to-consumer while Ply Gem is dealer-focused, they compete in the same residential exterior renovation segments with overlapping product categories.
- Associated Materials (Alside): Alside, a division of Associated Materials, is a direct competitor in vinyl siding, vinyl windows, and vinyl fence/railing. Both Ply Gem and Alside target the professional contractor and homeowner channels through building materials distributors across North America.
- Marvin Windows and Doors: Marvin manufactures premium wood, wood-clad, and fiberglass windows and doors that compete with Ply Gem's higher-end MIRA aluminum-clad wood and Perspective multi-slide patio door lines. Both serve the residential replacement and custom new construction segments through dealers and pros.
- James Hardie Building Products Inc. James Hardie is the leading fiber cement siding manufacturer directly competing with Ply Gem's Mastic and Variform vinyl siding brands. Both companies sell through building materials distributors and target residential homeowners and contractors for new construction and replacement projects.
Broad incumbents
- CertainTeed (Saint-Gobain): CertainTeed, a Saint-Gobain subsidiary, offers a broad portfolio of building products including vinyl and polymer siding, insulation, roofing, and fence/rail. They overlap with Ply Gem's siding and exterior offerings but as part of a much wider building products portfolio across residential and commercial.
Others
- Royal Building Products (Cornerstone sister brand): Royal Building Products is a sister company under Cornerstone Building Brands that overlaps in vinyl siding, exterior trim, and related categories. It is most comparable in product line but serves as an internal portfolio peer rather than direct external competition.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Ply Gem social profiles
Digital presencePly Gem financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ply Gem leadership team
Management profileNumber of profiles
Profiles3 records
Ply Gem subsidiaries and ownership
Company hierarchySubsidiaries2 records
Ply Gem funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ply Gem M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ply Gem
What does Ply Gem do?
Ply Gem manufactures and distributes a portfolio of residential exterior building products including vinyl siding, windows, patio doors, stone veneer, trim and moulding, fence and railing, shutters, and metal rainware through three brands (Ply Gem, Mastic, and Variform). Products are sold through a national network of building materials distributors and dealers serving both residential homeowners and building professionals for new construction and replacement/renovation projects. The company integrates proprietary technologies such as SolarDefense Reflective Technology, Weather Warrior Technology, and coextrusion manufacturing to deliver energy-efficient, weather-resistant, and curb-appeal-focused exterior systems across North America.
Is Ply Gem a public or private company?
Ply Gem is a private company. It is classified as corporate owned and is currently operating.
When was Ply Gem founded?
Ply Gem was founded in 2004. It employs 1,001 to 5,000 people.
Where is Ply Gem based?
Ply Gem is headquartered in Cary, United States, in the North America region.
How does Ply Gem make money?
Two revenue lines are on record. Building Materials Sales are the primary driver. The others are professional Programs.
Who are Ply Gem's main competitors?
Direct peers on record are Andersen Corporation, Pella Corporation, Louisiana-Pacific (LP Building Solutions), JELD-WEN Inc., Champion Window Holdings, Associated Materials (Alside), Marvin Windows and Doors and James Hardie Building Products Inc.. CertainTeed (Saint-Gobain) is listed as a broad incumbent. Royal Building Products (Cornerstone sister brand) is listed as an others.
Does Ply Gem have an API?
No public API is recorded for Ply Gem.
What industry is Ply Gem in?
Ply Gem's product category is Residential Exterior Building Materials Manufacturing. Its primary akta.pro industry code is HSAIAJAG, Pergola, Arbor & Trellis Installation/Repair, with a secondary code of IMAFAMAA, Roofing Systems & Waterproofing (Membranes, Shingles, TPO/EPDM, Liquid-Applied). Its NAICS code is 238170 and its SIC code is 2820.