What Kinzler Construction Services does

Kinzler Construction Services is a private, family and employee-owned (ESOP) U.S. construction subcontractor specializing in building envelope installation services. Founded in 1983/1984 by Kevin Kinzler, the company operates under the Kinzler Corporation parent (rebranded in April 2023) with Kinzler Construction Services handling installation, WD Door handling overhead doors, and Kinzler Materials handling distribution. The company's core offering is professional installation of insulation (fiberglass, spray foam, rigid board, mineral wool, blown-in blanket, cellulose, K13 spray-applied, metal building, and ag building), augmented by fireproofing, gypsum concrete underlayment (Gypcrete), and seamless gutter fabrication and installation. Proprietary or differentiated technology includes HFO-blown closed-cell spray foam with a global warming potential of 1 versus 1,000+ for legacy HFC products, blower-door-tested air sealing services, and lightweight self-leveling gypsum concrete systems for sound reduction and fire ratings.

The company serves four primary customer segments: homeowners (residential retrofits), residential builders (new single-family construction), commercial builders and developers (multifamily apartments, commercial, institutional — including named accounts such as Trammell Crow, Holland Partner Group, Milender White, Crossland Construction, and Haverkamp), and farmers/ag builders (pole buildings, barns, farm facilities). Revenue is generated primarily through project-based installation contracts priced via quote, supplemented by material distribution through the Kinzler Materials division (drywall, steel framing, acoustical ceilings, EIFS) and the acquired WD Door overhead door business. The go-to-market is sales-led through direct field sales teams and branch managers across seven locations in Iowa (Ames, Ankeny, Cedar Rapids, Waterloo), Colorado (Denver), Texas (Tyler), and Nebraska (Omaha opened October 2025), with a website driving quote requests, free estimates, and phone contact.

Since 2021, Kinzler has executed two material acquisitions (WD Door in January 2021 and Comfort Solutions' insulation and gutter divisions in August 2022), rebranded under a holding structure in 2023, expanded into Nebraska in 2025, and secured early Firestop Certification under Denver's new regulatory regime. The company is recognized as a Top 25 U.S. Insulation Contractor by Walls & Ceilings Magazine (2020) and has logged over one million safe man-hours. No institutional capital or private equity backing is disclosed.

Name

Kinzler Construction Services

Legal name

Kinzler Corporation

Website

https://insulation.net

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

251–500 employees

Short description

Kinzler Construction Services is a family- and employee-owned (ESOP) U.S. building envelope subcontractor providing insulation, fireproofing, gypsum concrete, gutter, and overhead door installation across seven branches in Iowa, Colorado, Texas, and Nebraska, serving homeowners, residential and commercial builders, and agricultural customers.

Ownership category

akta.pro rank

Headquarters

HQ city

Ames

HQ country

United States

HQ region

North America

Offices7 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Installation Services: Professional installation services for insulation (spray foam, fiberglass, cellulose, mineral wool, rigid board, reflective, blown-in), fireproofing, gypsum concrete, and gutters. Revenue is generated through project-based contracts with builders, contractors, and homeowners. Services are priced per project based on scope, materials, and labor.
2. Construction Material Distribution: Distribution of construction materials including drywall, steel framing, acoustical ceiling tile, and EIFS through Kinzler Materials division. Revenue generated from material sales to contractors and builders.
3. Gutter Services: Manufacturing and installation of seamless gutters (5" and 6"), gutter screens/leaf guards, and repair/maintenance services for residential and commercial projects.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Kinzler Construction Services is a family and employee-owned (ESOP) construction subcontractor that professionally installs insulation, fireproofing, gypsum concrete underlayments, seamless gutters, and overhead doors for residential, commercial, agricultural, and homeowner customers. Its portfolio spans multiple insulation types including fiberglass, spray foam, rigid board, BIBS, cellulose, K13 spray-applied, mineral wool, reflective, and metal building/agricultural insulation, distributed and applied via branch-based field installation crews across Iowa, Colorado, Texas, Nebraska, and New Mexico, with a parallel materials distribution arm (Kinzler Materials).

Product overview

Kinzler Construction Services is a family and employee-owned construction subcontractor operating as a single unified service offering (not a platform architecture). The company provides installation services for insulation products, fireproofing, and gypsum concrete as its core construction services, augmented by gutter services and overhead door installation (via acquired WD Door brand). The company also distributes construction materials (drywall, steel framing, acoustical ceilings, EIFS) through its Kinzler Materials division. Services target residential builders, commercial builders, farmers/ag builders, and homeowners across Iowa, Colorado, Texas, North Carolina, and Nebraska.

Differentiator

Problem solved

Functional benefit

Products and services

• Insulation Installation Services Comprehensive professional insulation installation covering residential, commercial, agricultural, and homeowner applications; available products include fiberglass, spray foam (open- and closed-cell including HFO-blown technology), rigid board, reflective, mineral wool, blown-in blanket (BIBS), cellulose, K13 spray-applied, metal building insulation, and ag building insulation, plus insulation removal services.
• Fireproofing Professional fireproofing application services for commercial and residential construction projects to meet fire safety codes and regulations, including 1, 2, and 3 hour rated assemblies for multifamily, commercial, and institutional buildings.
• Gypsum Concrete Underlayment (Gypcrete) Lightweight self-leveling gypsum concrete floor underlayment installation for sound reduction, fire ratings, radiant heating compatibility, and floor leveling, including sound matting systems.
• Gutter Services Seamless gutter fabrication and installation (5" and 6" sizes), gutter screens and leaf guards, and gutter and downspout repair and maintenance for residential and commercial projects.
• WD Door (Overhead Doors & Garage Doors) Overhead door and operator sales, installation, service, and repair for residential and commercial properties, including garage doors and commercial operators; headquartered in Ankeny with a second Cedar Rapids location (Doors by George).
• Kinzler Materials Distribution Wholesale construction materials distribution arm distributing drywall, steel framing, acoustical ceiling tile, and EIFS (Exterior Insulation and Finish Systems) to contractors and builders.

Named customers9 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

16 partnerships are on record, tiered core and minor.

• Comfort SolutionscoreStrategic or Co-development Partner · 19 August 2022Acquisition of insulation and gutter divisions of Eastern Iowa company with locations in Marion and Des Moines. Approximately 50 team members transitioned to Kinzler. Adds gutter services, leaf guard protection, and repairs to eastern Iowa operations. Integration streamlines operations and increases efficiencies.
• WD DoorcoreStrategic or Co-development Partner · 1 January 2021Acquisition of Iowa's leading overhead door and operator company with over 25 years experience. Headquarters in Ankeny with second location in Cedar Rapids (Doors by George). All 50+ team members retained. Steve Bouchard and Jeff Myers continue as General Managers. Previously Wayne Dalton of Central Iowa, founded in 2003.
• The King's ReinminorStrategic or Co-development Partner · 2 February 2017Non-profit Veterans Home Program partnership. Kinzler donated all product and labor to insulate a cabin for homeless Vietnam veteran Ben Cordero using energy-efficient spray foam.
• Haverkamp ConstructioncoreStrategic or Co-development PartnerMulti-phase partnership for Attivo Trail commercial insulation project in Ankeny, IA. Kinzler provides gypsum concrete, spray foam, fiberglass batt, and blown-in insulation across three major phases (original building 2022, second phase 2024-2025, third phase 2025-2026). Approximately 23,000 square feet per floor.
• Trammell Crow CompanycoreStrategic or Co-development PartnerOne of nation's oldest and most prolific commercial real estate developers. Kinzler completed multiple phases of apartment builds including firestopping for 1, 2, and 3 hour rated areas in Aurora, CO. Also ongoing 4-building apartment project in Denver.
• Crossland ConstructioncoreStrategic or Co-development PartnerPartnered for Triview Metro District Admin Building in Monument, CO. Kinzler delivered high-performance spray foam and fiberglass batt insulation solutions ensuring thermal efficiency, fire safety compliance, and durability.
• Milender White ConstructioncoreStrategic or Co-development PartnerPartnership for Lakewood Suites apartment in Denver (resumed project after previous contractor issues) and five-building student housing complex at Mines Park in Golden, CO (283 units, 1,000+ beds).
• Holland Partner GroupcoreStrategic or Co-development PartnerPremier developer of infill residential and mixed-use communities. Multiple phases of Santa Fe (5-story) and Inca (6-story) buildings in Denver involving firestopping and insulation.
• Urban Green DevelopmentminorStrategic or Co-development PartnerHistoric home conversion to apartment units in Boulder, CO. Kinzler installed closed cell spray foam to R-50 at roof line, batt insulation, and BIBS for energy efficiency and sound control.
• Christianson CompaniescoreStrategic or Co-development PartnerApartment building air sealing and batting insulation project in Cedar Rapids, IA. Christianson Companies (formerly PACES Lodging) develops, constructs, owns and manages buildings across the United States.
• Estes ConstructioncoreStrategic or Co-development PartnerThe Meridian upscale multifamily complex (174 units) in Gray's Landing Neighborhood, Des Moines, IA.
• Pro-Line Building CompanyminorStrategic or Co-development PartnerNew maintenance shop spray foam insulation project.
• Greater Des Moines Habitat for HumanitycoreStrategic or Co-development PartnerOngoing partnership including CEO Build event, Framing Our Future capital campaign ($10.5 million fundraising initiative), Habitat Blitz Build projects, and Iowa State Fair house insulation. CEO Tanner Kinzler and wife Emily serving as campaign co-chairs.
• Iowa Heartland Habitat for HumanityminorStrategic or Co-development PartnerWaterloo-based Habitat for Humanity Blitz Build sponsorship. Completed home in six days (normally six months) with other contractors and suppliers.
• Minnesota Assistance Council for Veterans (MACV)minorStrategic or Co-development PartnerPartnership to provide insulation for new homeless shelter for Minneapolis area veterans in need, installed free of charge.
• Hubbell Realty CompanyminorStrategic or Co-development PartnerTrade partner and volunteer for Ronald McDonald House Charities house build project. Worked around the clock over two weeks to build two-story house with 18 state-of-the-art rooms.

Scale indicators9 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Installed Building Products: Largest publicly traded U.S. installer of insulation and complementary building products for residential and commercial builders. Directly comparable as a national, multi-branch insulation installer serving builders and GCs, though at significantly greater scale than Kinzler.
• TopBuild: Public installer and distributor of insulation and building envelope products across the U.S. Closest direct peer to Kinzler in terms of combined installation + distribution model (analogous to Kinzler's Kinzler Materials distribution division).
• Service Partners: National distributor and installer of insulation, fireproofing, and complementary building products, operating as part of US LBM. Comparable service mix (insulation + fireproofing + accessories) and customer base of commercial and residential builders.
• MAS Building Solutions: Privately held specialty contractor providing insulation, fireproofing, and air sealing services across multiple U.S. regions. Closely comparable in service mix and contractor business model, though larger in geographic reach than Kinzler.

Broad incumbents

• Comfort Systems USA: Public national provider of mechanical and building services including insulation, HVAC, and plumbing for commercial and industrial customers. Comparable as a non-residential specialty contractor with overlapping insulation and fireproofing scope, but operates across a broader mechanical services portfolio.
• APi Group: Public provider of safety, specialty, and industrial services with significant life-safety and fire-protection installation operations. Comparable in firestopping and life-safety installation scope relevant to Kinzler's Denver-certified firestop work, though part of a much larger diversified services platform.
• SRS Distribution: Large private U.S. distributor of building products including roofing, drywall, and insulation. Comparable to Kinzler's Kinzler Materials distribution division in product mix (drywall, steel framing, acoustical ceilings) and builder/contractor customer base.
• L&W Supply: National distributor of drywall, ceilings, steel framing, and insulation serving professional contractors. Overlaps with Kinzler Materials on drywall, acoustical ceiling tile, and EIFS distribution, though L&W is national and significantly larger.

Emerging players

• Foundation Building Materials: Specialty distributor of building products including insulation, drywall, ceilings, and steel framing across North America. Comparable product-line overlap with Kinzler Materials, though primarily a distributor rather than installer.

Regional players

• Garland & Jones Insulation: Historical Texas-based insulation contractor now operating as Kinzler's Tyler, TX branch. Included to flag the regional legacy business Kinzler absorbed rather than as an active competitor; relevant only as a market-context reference.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/kinzler
• Facebookfacebook.com/kinzler.construction.services
• LinkedInlinkedin.com/company/kinzler-construction-services

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Kinzler Construction Services