SPEC Building Materials

What SPEC Building Materials does

SPEC Building Materials Corporation is a private, family-owned wholesale distributor of roofing, siding, and home improvement materials headquartered in Kansas City, Missouri. Founded in 1973, the company serves commercial and residential contractors across 13 U.S. states through a network of 46 branch locations spanning the Midwest, South, Southeast, Mountain West, Texas, and Florida. Its product portfolio covers seven core categories: low slope roofing, steep slope roofing, roofing accessories, roofing equipment, decking and railings, siding, and windows and doors, sourced through multi-decade partnerships with leading manufacturers including GAF, Owens Corning, CertainTeed, Carlisle, IKO, Johns Manville, Elevate, Karnak, and Versico. The company also offers sub-lines such as skylights and replacement versus new-construction windows and doors.

The business generates revenue through wholesale distribution on a project-specific, quote-based pricing model. Its go-to-market combines direct outside and inside sales through the branch network with value-added services, including four Taper Design Solutions regional design centers providing custom taper insulation design for low-slope roofing, a Kansas City Training Center delivering hands-on product and safety instruction, and vendor training programs co-delivered with manufacturer partners. A November 2025 partnership with Construct CRM introduced a private-label CRM and online ordering platform for Texas and Florida contractors, marking the company's first digital self-serve channel. Three primary customer segments are addressed: roofing contractors (primary), commercial contractors, and residential contractors, with distribution supported by outside sales, delivery, and credit services via BillTrust.

The company employs 101-250 people, has no parent entity, has not raised external funding, and does not publicly disclose revenue. Leadership disclosed is Brook Benge, Chief Operating Officer. Recent strategic activity has centered on geographic expansion into Texas and Florida, facility investment in Kansas City and Houston, and the Construct CRM digital initiative, positioning the business as an actively expanding regional specialty distributor rather than a passive incumbent.

Name

SPEC Building Materials

Legal name

SPEC Building Materials Corporation

Website

https://speccorp.com

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

101–250 employees

Short description

SPEC Building Materials Corporation is a private, family-owned wholesale distributor of roofing, siding, and building materials founded in 1973, serving commercial and residential contractors through 46 branch locations across 13 U.S. states with value-added design and training services.

Ownership category

akta.pro rank

Headquarters

HQ city

Kansas City

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Building Materials Wholesale Distribution: SPEC Building Materials generates revenue through wholesale distribution of roofing, siding, and home improvement materials to commercial and residential contractors. The company operates 46 branch locations providing competitive pricing, consistent inventory, and expert support to contractors across 13 U.S. states.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

SPEC Building Materials is a wholesale distributor of roofing, siding, windows, doors, decking, railings, roofing accessories, and roofing equipment for commercial and residential construction projects. The company sells these products through 46 branch locations across 13 U.S. states, sourcing from top manufacturers such as GAF, Owens Corning, CertainTeed, Carlisle, IKO, Johns Manville, Elevate, Karnak, and Versico. Beyond product distribution, SPEC provides Taper Design Solutions for custom taper insulation roofing design and runs a Kansas City Training Center for product and safety education.

Product overview

SPEC Building Materials Corporation is a wholesale building materials distributor serving commercial and residential contractors since 1973. The company operates as a single unified distribution business offering a comprehensive portfolio of building material products organized across seven core categories: Low Slope Roofing, Steep Slope Roofing, Roofing Accessories, Roofing Equipment, Decking & Railings, Siding, and Windows & Doors. The product portfolio includes sub-products such as Skylights, Replacement windows/doors, and New Construction windows/doors. Beyond product distribution, SPEC provides value-added services including a Kansas City Training Center for employee development, Taper Design Solutions for custom roofing system design, and Vendor Training Programs in partnership with major manufacturers. The company also recently launched a private-label CRM platform through a partnership with Construct CRM, extending its service offerings into digital tools for contractor project management.

Differentiator

Problem solved

Functional benefit

Products and services

• Low Slope Roofing Wholesale distribution of roofing products and materials designed for flat or low-angle roof installations, typically used in commercial buildings and sourced from manufacturer partners such as Carlisle, Versico, Johns Manville, and Elevate.
• Steep Slope Roofing Wholesale distribution of roofing products and materials designed for sloped roof installations, commonly used in residential applications and sourced from manufacturer partners such as GAF, Owens Corning, CertainTeed, and IKO.
• Roofing Accessories Wholesale distribution of supplementary products and components used in roofing installations including vents, flashings, adhesives, and related items.
• Roofing Equipment Wholesale distribution of tools, equipment, and machinery used by roofing contractors for installation and maintenance.
• Decking & Railings Wholesale distribution of decking materials and railing systems for residential and commercial exterior applications.
• Siding Wholesale distribution of exterior wall cladding materials for residential and commercial buildings.
• Windows & Doors Wholesale distribution of windows, entry doors, skylights, and related products for residential and commercial construction, including replacement and new construction applications.
• Taper Design Solutions Specialized roofing system design services addressing water ponding and energy reduction for low-slope commercial roofs, delivered through four Taper Design Solutions Design Centers in Dallas, Oklahoma City, Medley (Florida), and Kansas City.
• Private-Label CRM Platform Private-label CRM platform with online ordering capabilities built on Construct CRM, offered to roofing and building material contractors in Texas and Florida to support project management, customer service, and material ordering.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Ten partnerships are on record, tiered core and major.

• Construct CRMcoreTechnology or Integration · 10 November 2025Construct CRM partnered with SPEC Building Materials to expand its CRM platform into Texas and Florida. The partnership enables SPEC to launch its private-label CRM, enhancing project management and customer service for roofing and building material contractors. The collaboration aims to extend Construct CRM's reach to contractors across multiple U.S. states, focusing on the roofing sector.
• GAFcoreStrategic or Co-development PartnerGAF is a key manufacturer partner providing roofing materials including shingles, membranes, and coatings. SPEC offers GAF training programs, learning portals, and products including Timberline Ultra HD with StainGuard Plus technology.
• Owens CorningcoreStrategic or Co-development PartnerOwens Corning is a major manufacturer partner supplying roofing materials, insulation, and building products. SPEC provides Owens Corning training and learning portal access.
• CertainTeedcoreStrategic or Co-development PartnerCertainTeed provides roofing shingles, siding, and building materials. SPEC offers CertainTeed training programs and learning portal access for employees and contractors.
• CarlislemajorStrategic or Co-development PartnerCarlisle is a manufacturer of commercial roofing products including TPO and EPDM membranes.
• Elevate (Atlas)majorStrategic or Co-development PartnerElevate (formerly Atlas) provides roofing underlayments, coatings, and building materials. SPEC participates in Atlas Pro Plus Contractor Program.
• IKOmajorStrategic or Co-development PartnerIKO is a manufacturer of roofing shingles and related products distributed through SPEC locations.
• Johns ManvillemajorStrategic or Co-development PartnerJohns Manville (JM) provides commercial and residential building products including roofing insulation and membranes.
• KarnakmajorStrategic or Co-development PartnerKarnak manufactures coatings, cements, and roofing repair products. SPEC hosts Karnak training events and applicator training sessions.
• VersicomajorStrategic or Co-development PartnerVersico is a manufacturer of commercial roofing TPO and EPDM membrane systems.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• ABC Supply Co. ABC Supply is the largest wholesale distributor of roofing, siding, and building products in the U.S., operating hundreds of branches nationwide. It is the closest direct competitor to SPEC, serving the same roofing and exterior contractor base with overlapping manufacturer partnerships.
• Gulfeagle Supply: Gulfeagle is one of the largest independent roofing products distributors in the U.S., with strong concentration in the Southeast and Florida — a geography where SPEC is actively expanding.
• Allied Building Products: Allied (now operating under SRS Distribution after acquisition) is a major roofing and building products distributor that competed directly with SPEC across multiple states before being absorbed by a larger national platform.
• Lansing Building Products: Lansing is a regional wholesale distributor of exterior building products including siding, windows, and roofing accessories. It is directly comparable to SPEC in product mix and contractor-focused go-to-market, with overlapping geographies in parts of the Midwest and South.
• SRS Distribution: SRS Distribution is a national roofing and building products distributor owned by Home Depot with hundreds of branches across the U.S. It competes head-to-head with SPEC for roofing contractor accounts and manufacturer allocations.
• Beacon Building Products: Beacon is a publicly traded national distributor of roofing and complementary building products with hundreds of branches. It directly competes with SPEC in roofing, siding, and waterproofing categories serving professional contractors.
• Roofing Supply Group (RSG): RSG is a regional roofing and building products distributor with branches across the Western, Southwestern, and Southeastern U.S. It competes directly with SPEC in residential and commercial roofing distribution with similar manufacturer partnerships.

Others

• TAMKO Building Products: TAMKO is a U.S. manufacturer of roofing shingles and waterproofing products and a current supplier partner of SPEC. It is included as an adjacent ecosystem participant illustrating the supply side of SPEC's product portfolio.

Broad incumbents

• Lowe's (Pro): Lowe's serves professional contractors and DIY customers with roofing, siding, and building materials. It is a broader incumbent rather than a specialty distributor but competes for the same contractor wallet.
• The Home Depot (Pro / Builder): Home Depot's Pro and Builder program sells roofing, siding, and building materials at scale to professional contractors. While much broader than SPEC, it overlaps significantly on commodity roofing products and pro-customer acquisition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks2 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/SPECBuildingMaterials
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Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 SPEC Building Materials