Chelsea Building Products

Name

Chelsea Building Products

Legal name

Chelsea Building Products, Inc.

Website

https://chelseabuildingproducts.com

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Building Materials Manufacturing - PVC and Composite Profiles

NAICS

Custom Architectural Woodwork and Millwork Manufacturing (337212), Blind and Shade Manufacturing (33792)

SIC

Miscellaneous Furniture & Fixtures (2590)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industry

Interior Doors (IMADAIAB)

Keywords

• PVC profile extrusion
• Composite building materials
• Window and door profiles
• Advanced composite siding
• Cellular PVC mouldings

Headquarters

HQ city

Oakmont

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. PVC and Composite Profile Manufacturing: Chelsea Building Products designs and extrudes PVC and composite profiles for the building materials industry, serving window, door, siding, shutter, moulding, and railing manufacturers. Products are sold to fabricators and distributors throughout North America.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Chelsea Building Products designs and extrudes PVC and composite profiles for the building materials industry. The company manufactures profile components used by window and door fabricators, distributors, and building product manufacturers, including advanced composite siding (Everlast), multi-hollow window systems (inoview, American Homestead), PVC composite reinforcement (C-Core), cellular sash, railings, shutters, and mouldings.

Product overview

Chelsea Building Products is a PVC and composite profile extrusion manufacturer serving the building materials industry since 1975. The company operates a multi-product portfolio centered around its core extrusion capabilities, including Everlast® Advanced Composite Siding (a premium composite siding with mineral substrate and acrylic capstock), inoview® and American Homestead® window platforms, C-Core® composite reinforcement technology, and various profile products for railings, shutters, mouldings, and cellular sash. The company offers value-added technical services including plant design, product development support, thermal simulation, and structural analysis. As a member of aluplast group, the company has facilities in Oakmont, PA (headquarters), Madison, PA (Chelsea Building Products East), and Greenville, TX (Chelsea Building Products South), supplying manufacturers and distributors throughout North America.

Differentiator

Problem solved

Functional benefit

Brands

• Everlast® Advanced Composite Siding: Premium composite siding combining mineral composite substrate with 100% acrylic capstock, featuring CedarTouch woodgrain pattern. Available in lap and Board & Batten styles with designer color palette.
• inoviewe™
• American Homestead®
• C Core®
• CHIP Portal

Products and services

• Everlast Advanced Composite Siding Premium composite siding combining a mineral composite substrate molecularly fused to a UV-resistant acrylic capstock enhanced with CedarTouch natural woodgrain pattern. Available in lap and Board & Batten styles, providing authentic cedar appearance without maintenance costs. Targeted at building products distributors and contractors for residential exterior applications.
• inoview Advanced Window Platform Advanced window system with multi-hollow profiles that enhance thermal, structural, water, air, and sound performance. Designed for residential, light commercial, remodeling, new construction, and coastal impact markets. Achieves up to 0.14 U-Value without exotic IG's or foam filling.
• American Homestead Window Platform Innovative window platform including wide range of models to meet various design, fabrication and manufacturing needs. Most models come in 5/8", 3/4" and 7/8" IG with C-Core composite reinforcements and fully welded sash and frames.
• C-Core PVC Composite Reinforcement Proprietary PVC composite reinforcement for vinyl windows and doors that replaces aluminum and steel. PVC's thermal properties are superior to both aluminum and steel, providing energy-efficient reinforcement alternative that can be fabricated on same equipment as PVC profiles and recycled at end of life.
• Cellular Sash Exterior-grade cellular PVC profiles that replicate milled wood window components. Strong and durable, shipped ready to mortise and tenon, glaze and assemble. Low-maintenance, UV and moisture resistant with no painting necessary.
• Cellular PVC Railings Cellular PVC railing with interlocking design that is easy to assemble and install. Meets consumer requirements by being durable, easy to maintain, insect resistant, and free from rotting or warping.
• PVC Composite Shutters Structurally strong, low-maintenance louvered synthetic shutter with beauty of handcrafted wood. Proprietary PVC composite formulation and extrusion tooling ensures shutters will not rot, warp, and louvers will not sag over time.
• Cellular PVC Mouldings Extruded cellular PVC moulding product line to replace wooden millwork. Weatherable material that does not rot or warp, insect resistant with consistent cell structure. Cuts, fastens and finishes like wood with unique surface finish that looks like painted wood.
• Plant Design Services Technical Service team studies current manufacturing operation and provides plant layout of functional arrangement of machines and equipment. Delivers guidance on best operating practices for streamlined process and labor cost reductions for window and door fabricators.
• Product Design and Development Support Knowledgeable product and tooling design team specializing in material substitution from concept to commercialization. Applies integrated engineering process with ability to design, develop solutions and provide ongoing support for building products manufacturers.
• CHIP Portal Online contractor portal for ordering and account management for fabricators and contractors placing orders with Chelsea Building Products.

Quantifiable outcome

• Industry-best lifetime warranty on Everlast siding
• +3 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability2 records

Feature5 records

Partnerships

Five partnerships are on record, tiered core and major.

• HovercoreGTM or Marketing Partner · 27 May 2026Partnership to provide contractors with 3D visualization tools for Everlast siding installations. The Hover platform enables interactive exterior renderings with 360-degree rotation and virtual walkthrough capabilities, allowing contractors to move from smartphone photos to material takeoffs and ordering faster than traditional methods.
• Hood DistributioncoreChannel Partner/ Reseller/ Distributor · 6 April 2026Distribution partnership for Everlast siding product in Texas. Provides access to premium composite siding in a market with extreme climate conditions.
• ARCO PittsburghmajorImplementation/ SI/ Consulting Partner · 1 April 2025Design-build general contractor providing construction services for Chelsea Building Products East facility in Westmoreland County. ARCO Pittsburgh brings manufacturing construction experience for the 228,000 square foot facility project.
• Westmoreland County Industrial Development Corporation (WCIDC)majorStrategic or Co-development PartnerWCIDC facilitated the location of Chelsea Building Products East within the Commerce Crossing at Westmoreland industrial park. Partnership supports economic development and job creation in Westmoreland County.
• aluplast groupcoreOthersChelsea Building Products is a member of aluplast group, providing global footprint, strong financial backing, and additional technical resources for continued growth and expansion.

Scale indicators4 records

Recent moves10 records

Expansion highlights4 records

Direct peers

• Quanex Building Products: Quanex manufactures vinyl window components, profiles, and insulating glass spacer systems, competing directly with Chelsea's window profile and C-Core reinforcement offerings.
• VEKA Inc. VEKA is one of the largest global manufacturers of PVC window and door profiles and competes directly with Chelsea Building Products in extruded vinyl profiles for window fabricators across North America.
• Westlake Royal Building Products: Westlake Royal (formerly Royal Building Products) is a major North American manufacturer of PVC profiles, siding, mouldings, and window components, directly overlapping with Chelsea's profile extrusion business.
• Deceuninck North America: Deceuninck is a global PVC window and door profile manufacturer with significant North American operations, directly comparable to Chelsea's profile extrusion business for window and door fabricators.

Broad incumbents

• Cornerstone Building Brands: Cornerstone Building Brands owns Ply Gem and other major vinyl siding and window brands, making it a broad incumbent in the same building products categories Chelsea serves.
• CertainTeed (Saint-Gobain): CertainTeed is a large incumbent in vinyl siding, windows, and building products manufacturing under Saint-Gobain, with overlapping product categories in PVC-based siding and window profiles.
• Andersen Corporation: Andersen is one of the largest U.S. window and door manufacturers; while it does more wood/composite than pure PVC, it competes in adjacent product categories where Chelsea supplies component profiles.
• MI Windows and Doors: MI Windows and Doors is a major U.S. vinyl window and door manufacturer that consumes PVC profiles, making it both a customer-channel player and an adjacent incumbent to Chelsea's fabricator customers.
• JELD-WEN: JELD-WEN is a major North American window and door manufacturer with vinyl product lines that overlap with Chelsea's served fabricator and distributor channels.

Emerging players

• Revere Building Products: Revere Building Products is a newer entrant in composite and polymer-based siding and building products, intersecting with Chelsea's Everlast composite siding category.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ChelseaBProducts
• LinkedInlinkedin.com/company/chelsea-building-products
• Xx.com/ChelseaProducts

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Subsidiaries2 records

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 Chelsea Building Products