Silver Line Windows + Doors

What Silver Line Windows + Doors does

Silver Line Windows & Doors is a U.S. manufacturer of vinyl residential windows and patio doors, operating as a brand within Cornerstone Building Brands, Inc. The company sells two principal product families — the premium V3 Series (wide profiles, traditional styling, ENERGY STAR glass options) and the basic V1 Series (slim profiles, common sizes) — plus a Coastal Watch Collection of impact-resistant products certified to ASTM E1886/E1996 and TAS 201/202/203 for hurricane-prone markets. Technical differentiation rests on fusion-welded vinyl construction, multi-point locking systems, integral J-channel options, and multiple insulated glass packages (Low-E, Low-ESC, Low-E 2+PSL, Clear Dual-Pane).

The company runs an exclusive B2B2C distribution model: products are not sold direct-to-consumer but routed through a nationwide authorized dealer and contractor network, supported by a proprietary desktop quoting tool (Cornerstone AccuQuote) that includes a factory mulling configurator. Pricing is quote-based and not publicly disclosed, with final cost determined by product tier (V1 vs. V3), size, color, glass package, hardware, and grille configuration. A dedicated replacement parts phone line (1-844-332-8288) generates aftermarket revenue from the installed base.

Silver Line serves two primary segments: residential homeowners (replacement and renovation) and new-construction builders/contractors, with a secondary coastal/hurricane-zone segment served by Coastal Watch. Marketing is concentrated on the company website (dealer locator, downloadable brochures, warranty registration) and a YouTube channel for installation and parts support; the firm prominently leverages ENERGY STAR certification and the Inflation Reduction Act of 2022 federal tax credit (up to $500) to drive replacement demand. With 1,001-5,000 employees and an operating history dating to 1947, Silver Line is a mature, distribution-led brand whose economic engine is volume sell-through to dealers rather than direct consumer capture.

Name

Silver Line Windows + Doors

Legal name

Cornerstone Building Brands, Inc.

Website

https://silverlinewindows.com

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Silver Line Windows & Doors manufactures vinyl residential windows and patio doors (V3 premium and V1 basic tiers, plus the Coastal Watch impact-resistant line), distributing exclusively through a nationwide U.S. authorized dealer network as a brand within Cornerstone Building Brands.

Ownership category

akta.pro rank

Product category

Vinyl Windows and Patio Doors

akta.pro primary industry

Windows (IMADAIAC)

Keywords

• Vinyl windows
• Patio doors
• Replacement windows
• Impact-resistant windows
• Energy-efficient doors

Headquarters

HQ city

North Brunswick

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Windows and Patio Doors Sales: Silver Line generates revenue through the sale of vinyl windows and patio doors via their dealer/distributor network. Products are sold as finished goods with various customization options including colors, glass types, hardware, and grille configurations. The company offers two product series (V1 and V3) targeting different price points and customer needs.
2. Replacement Parts and Accessories: The company sells replacement parts for existing Silver Line windows and patio doors through a dedicated phone line (1-844-332-8288), providing ongoing revenue from the installed base.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Silver Line Windows + Doors manufactures and distributes vinyl windows and patio doors sold exclusively through an authorized dealer network across the United States. The portfolio is organized into the premium V3 Series (wide profiles, traditional styling, ENERGY STAR certified glass options) and the entry-level V1 Series (slim profiles, common sizes and options), with the Coastal Watch Collection providing impact-resistant products for hurricane-prone coastal markets.

Product overview

Silver Line Windows & Doors is a manufacturer of vinyl windows and patio doors with two main product series: V3 Series (premium line with wide profiles, traditional styling, enhanced features, and ENERGY STAR certified options) and V1 Series (basic line with simple design, slim profiles, and common sizes/options). The portfolio includes double-hung, single-hung, casement, awning, gliding, and bay/bow windows, plus gliding patio doors. The Coastal Watch Collection provides impact-resistant products for coastal areas. AccuQuote dealer software supports quoting and ordering. All products feature vinyl construction with various color options including new black exterior color.

Differentiator

Problem solved

Functional benefit

Brands

• V3 Series: Premium vinyl window and patio door portfolio with traditional styling, enhanced features and performance. Features wide profiles, variety of options and sizes, and ENERGY STAR certified glass options.
• V1 Series
• Coastal Watch Collection

Products and services

• V3 Series Premium Vinyl Windows and Patio Doors Premium vinyl window and patio door portfolio featuring wide profiles for traditional styling, enhanced features, and superior performance, including ENERGY STAR certified glass options and low-maintenance vinyl construction. Sold through authorized dealers to homeowners and builders nationwide.
• V3 Series Double-Hung Window Premium vinyl double-hung window featuring colonial brick mould design with tilt-in top and bottom sash for easy cleaning, fusion-welded construction, and integral J-channel option, sold through the Silver Line dealer network.
• V3 Series Casement Window Premium vinyl casement window with wide profiles and curved detail for upscale design, featuring a folding handle, dual weatherstripping, and a multi-point locking system for ventilation and security.
• V3 Series Awning Window Premium vinyl awning window with wide profiles and curved detail for upscale design that opens outward from the bottom to provide ventilation.
• V3 Series Gliding Window Premium vinyl gliding window featuring colonial brick mould design with durable rollers for smooth operation.
• V3 Series Bay and Bow Windows Premium bay and bow windows with solid wood frame and mullions for strength and durability and a vinyl exterior for low maintenance.
• V3 Series Gliding Patio Door Premium vinyl gliding patio door with thick wide profiles, multi-point locking system, self-leveling rollers, steel-reinforced panels, and integral J-channel.
• V1 Series Entry-Level Vinyl Windows and Patio Doors Basic vinyl window and patio door series with simple design offering the most common sizes and options, slim profiles for a contemporary look, and ENERGY STAR certified glass options for residential replacement and new construction.
• V1 Series Double-Hung Window Basic vinyl double-hung window with simple beveled design and tilt-in top and bottom sash for easy cleaning, featuring fusion-welded construction.
• V1 Series Single-Hung Window Basic vinyl single-hung window with simple design and tilt-in bottom sash for easy cleaning, suitable for new construction or replacement applications.
• V1 Series Gliding Window Basic vinyl gliding window with simple design and durable rollers for smooth operation, with an optional integral J-channel.
• V1 Series Gliding Patio Door Basic vinyl gliding patio door with simple design, available as a kit for easy handling or fully assembled for quick installation, with optional built-in blinds.
• Coastal Watch Collection Impact-resistant windows and patio doors designed and tested for extreme coastal weather conditions, certified to ASTM/E1886/E1996 and TAS 201, 202, 203 standards, providing continuous protection without plywood panels or shutters. Targets homeowners, builders, and contractors in hurricane-prone coastal markets including HVHZ zones.
• Cornerstone AccuQuote Dealer Quoting Software Desktop-based dealer and contractor quoting and ordering software with factory mulling configurator and enhanced customization steps for Silver Line vinyl windows and patio doors. Used by authorized dealers to generate quotes and orders for end customers.

Quantifiable outcome

• ENERGY STAR certified products available for all climate zones
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature6 records

Partnerships

One partnership is on record.

• Cornerstone Building BrandscoreOthersSilver Line Windows & Doors is a brand and subsidiary of Cornerstone Building Brands, Inc., a major manufacturer of exterior building products. Cornerstone Building Brands provides corporate governance, privacy policies, warranty processing infrastructure, and manufacturing support for the Silver Line brand. The parent company is headquartered in Cary, NC.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Marvin Windows and Doors: Marvin is a premium window and door manufacturer specializing in wood, fiberglass, and clad-wood products, with broader portfolio scale and higher price positioning. While its focus is higher-end, it competes with Silver Line in coastal and premium residential replacement segments.

Direct peers

• Milgard Windows & Doors: Milgard manufactures vinyl, fiberglass, and aluminum windows and patio doors primarily for the Western US residential market. Its vinyl Tuscany line is a direct substitute for Silver Line's product portfolio in builder and replacement channels.
• Simonton Windows: Simonton is a vinyl-focused residential window manufacturer distributed through dealers and home centers. Its product positioning across value and premium vinyl tiers directly parallels Silver Line's V1 and V3 segmentation strategy.
• Andersen Windows & Doors: Andersen is one of the largest US window and door manufacturers, offering vinyl, wood, composite, and fiberglass product lines through a national dealer and big-box channel. It directly competes with Silver Line across residential replacement and new construction with overlapping vinyl product portfolios.
• Pella Corporation: Pella is a major US window and door manufacturer with vinyl, wood, and fiberglass lines distributed through dealers, home centers, and direct sales. Its vinyl Impervia and 250 Series products directly overlap Silver Line's V1 and V3 vinyl offerings in price and customer segments.
• Ply Gem (Cornerstone Building Brands): Ply Gem is a sister brand within Cornerstone Building Brands, producing vinyl windows, siding, and other exterior building products. It directly competes with Silver Line in vinyl windows and shares corporate infrastructure with the Silver Line brand.
• Harvey Windows & Doors: Harvey is a regional vinyl window and door manufacturer serving the Northeast US through a direct dealer network. It competes with Silver Line in vinyl replacement windows and patio doors with a comparable B2B2C distribution approach.
• JELD-WEN: JELD-WEN is a global window and door manufacturer with extensive vinyl product lines (e.g., V-2500, Premium Atlantic) sold through dealers and home centers. It is one of the most direct competitors to Silver Line in residential vinyl replacement and new construction.
• MI Windows and Doors: MI Windows is one of the largest US vinyl window and patio door manufacturers, focused exclusively on the residential vinyl category. Its dealer-direct distribution model and product breadth closely mirror Silver Line's go-to-market approach and target customer.
• Atrium Windows and Doors: Atrium produces vinyl and composite windows and patio doors for residential replacement and new construction, distributed through dealers and home centers. Its product mix and channel strategy closely match Silver Line's.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/SilverLineWindow

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Silver Line Windows + Doors