Johns Manville

What Johns Manville does

Johns Manville is a Berkshire Hathaway-owned building and engineered products manufacturer founded in 1858 and headquartered in Denver, Colorado, with approximately 8,000 employees and annual sales exceeding $4 billion. The company operates three core business segments: Insulation Systems (building, mechanical, OEM, HVAC, and industrial insulation), Commercial Roofing (TPO, PVC, EPDM, SBS, APP, BUR, and liquid-applied membrane systems plus accessories), and Engineered Products (fiberglass rovings, nonwoven fabrics, filtration media, and battery components). Its engineered materials portfolio spans proprietary sub-brands including StarRov, MultiStar, Evalith, DuraCore, and Q-FIBER — the last originally developed for NASA space shuttle thermal protection — serving applications in automotive Class A surface compounding, gypsum board reinforcement, HEPA/ULPA filtration, and lead-acid battery construction.

The business model is B2B and project-driven: products are sold through direct enterprise sales teams to OEMs and large industrial accounts, through an authorized distributor network for mid-market customers, and through certified contractor programs (notably JM Peak Advantage) and online contractor locators for commercial and residential construction end users. Pricing is quote-based against project specifications rather than list-priced, with multi-year contract cadences typical for commercial roofing and engineered products. Technical services, contractor training, and specification tools (Submittal Wizard, SmartBinder, BURSI continuing education) are part of the value proposition rather than discrete revenue lines. Manufacturing is concentrated across roughly seven primary sites in the U.S. (Denver HQ, Littleton technical center, Waterville, Etowah, Penbryn, Hazleton) and Europe (Trnava, Slovakia; Bobingen and Wertheim, Germany), supporting the company's "global manufacturer, regional supplier" posture. Recent strategic activity — including a March 2025 recycling partnership with PureLoop GmbH, the December 2025 launch of JM QuickFoam Adhesive, and a planned CEO succession from Bob Wamboldt to John Vasuta effective August 1, 2026 — points to incremental portfolio and sustainability expansion within the existing three-segment architecture rather than business-model transformation.

Name

Johns Manville

Legal name

Johns Manville

Website

https://jm.com

Company type

Private

Founded year

1858

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Johns Manville is a Berkshire Hathaway-owned building and engineered products manufacturer with $4B+ in annual sales, producing insulation, commercial roofing systems, and fiberglass/nonwoven materials for construction, automotive, filtration, and battery customers globally.

Ownership category

akta.pro rank

Product category

Building Materials Manufacturing

NAICS

Paint, Coating, and Adhesive Manufacturing (3255)

SIC

Plastics Products, Nec (3089)

akta.pro primary industry

Polyurethanes (MDI/TDI, Polyols, PU Systems) (IMAEADAH)

Keywords

• Building insulation products
• Commercial roofing systems
• Fiberglass reinforcement materials
• Nonwoven filtration media
• Engineered composites

Headquarters

HQ city

Denver

HQ country

United States

HQ region

North America

Offices9 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Building Materials - Insulation: Manufactures and sells insulation products including building insulation, mechanical insulation, HVAC insulation, and industrial insulation. Revenue generated through direct sales to contractors, distributors, and OEM customers.
2. Commercial Roofing Systems: Complete commercial roofing solutions including TPO, PVC, EPDM, SBS, APP, BUR, and liquid applied systems. Sold through contractor networks and directly to building owners.
3. Engineered Products - Nonwovens & Fiberglass: Fiberglass reinforcement materials, nonwoven fabrics for construction, filtration media, and battery components. Sold to industrial manufacturers and compounders globally.
4. Technical Services & Support: Technical support, specification assistance, and contractor training programs including JM Peak Advantage Contractor Program. May include professional services revenue.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels8 records

Core offering

Johns Manville manufactures and sells three core categories of building and industrial products: Insulation Systems (building, mechanical, OEM, HVAC, and industrial insulation); Commercial Roofing (TPO, PVC, EPDM, SBS, APP, BUR, and liquid-applied membrane systems plus accessories and adhesives); and Engineered Products (fiberglass reinforcements, nonwoven fabrics, filtration media, and battery components). The company sells these primarily through B2B channels to contractors, building owners, distributors, and industrial OEMs across North America and Europe.

Product overview

Johns Manville is a Berkshire Hathaway-owned building products manufacturer offering three core product categories: Insulation Systems (building, mechanical, OEM, HVAC, and industrial insulation), Commercial Roofing (TPO, PVC, EPDM, SBS, APP, BUR, and liquid applied membrane systems plus accessories), and Engineered Products (fiberglass and nonwoven materials for filtration, reinforcement, and battery applications). The company manufactures premium-quality insulation, commercial roofing, fibers, and nonwovens for commercial, industrial, and residential applications. Key product brands include StarRov and MultiStar fiberglass roving, Evalith nonwovens, DuraCore chopped fiberglass, JM Q-FIBER silica fiber, and GoBoard tile backer. The portfolio serves diverse markets including construction, aerospace, automotive, filtration, and energy storage.

Differentiator

Problem solved

Functional benefit

Brands

• GoBoard: Tile backer board product line for construction applications
• StarStran
• MultiStar
• StarRov
• Evalith
• DuraCore
• Q-FIBER

Products and services

• Insulation Systems Comprehensive insulation product line covering building insulation (residential, commercial, metal buildings), mechanical insulation (pipe, marine, board, blanket), OEM insulation (aerospace, appliance, HVAC, transportation), HVAC insulation (duct board, duct liner, flexible duct), and industrial insulation (calcium silicate, mineral wool, polyisocyanurate, XPS) sold to contractors, builders, distributors, and OEMs.
• Commercial Roofing Systems Complete commercial roofing solutions including membrane systems (TPO, PVC, EPDM, SBS, APP, BUR, liquid applied), roofing insulation and cover boards, adhesives, cements, primers, specialty products, fasteners, plates, and coatings sold through contractor networks, distributors, and directly to building owners.
• Engineered Products (Fiberglass and Nonwovens) Fiberglass and nonwoven materials for industrial applications including nonwovens for roofing, flooring, gypsum boards, filtration products (air pollution, coolant oil, HEPA/ULPA, HVAC), battery products, and reinforced fiberglass for thermoplastics and thermoset composites. Sold to industrial OEMs and compounders globally.
• TPO Roofing Systems Thermoplastic polyolefin membrane roofing systems for commercial applications with superior reflectivity and weldability properties.
• PVC Roofing Systems Polyvinyl chloride membrane roofing systems providing durable, heat-welded seams for commercial flat roofs.
• EPDM Roofing Systems Ethylene propylene diene monomer rubber roofing membranes for commercial low-slope roofing applications.
• SBS Roofing Systems Styrene-butadiene-styrene modified bitumen roofing systems for commercial applications.
• APP Roofing Systems Atactic polypropylene modified bitumen membrane roofing systems for commercial applications.
• BUR Roofing Systems Built-up roofing systems combining multiple plies for durable commercial roof protection.
• Liquid Applied Roofing Systems Fluid-applied membrane roofing solutions for seamless, waterproof commercial roof protection.
• JM QuickFoam Adhesive Two-part, low-rise polyurethane foam adhesive for attaching fleece-backed single-ply membranes to insulation boards or decks. Features retraction technology that eliminates post-rise and reduces telegraphing through the membrane.
• GoBoard Tile Backer Board Tile backer board product for wet area installations in residential and commercial construction.
• Nonwovens (Polyester and Fiberglass) Polyester and fiberglass nonwoven fabrics for bituminous roofing, carpet tiles, ceiling tiles, gypsum boards, LVT flooring, mineral and foam insulation facers, resilient flooring, roof decks, and roofing shingles.
• Filtration Products Nonwoven filtration media including air pollution control, coolant oil filtration, HEPA/ULPA micro-fiberglass filters, and HVAC filtration using PP meltblown and micro-fiberglass nonwovens.
• Lead-Acid Battery Products Materials for lead-acid batteries including polyester nonwoven, fiberglass mat, glass microfiber, and glass sliver for SLI, EFB, AGM, and deep cycle battery applications.
• StarRov (Single-End Roving) Single-end roving (direct roving) for thermosets, ideal for weaving processes providing wide and uniform strand width for superior fabric production without gaps. Used in pultrusion, filament winding, and thermoset composite applications.
• MultiStar (Multi-End Roving) Multi-end roving family including MultiStar 576 for long-fiber reinforced polyurethane panels and MultiStar 272 for achieving Class A surface quality in automotive SMC applications. Used in thermoset laminates for truck panels and various composite applications.
• Evalith Nonwovens Fiberglass nonwoven facers for gypsum boards and exterior sheathing, available in coated and uncoated versions. Provides structural support, adhesion performance, production efficiency, moisture management, and fire resistance. Also includes bio-soluble micro fiberglass nonwovens for air filtration.
• DuraCore Wet Chopped Fiberglass Wet chopped fiberglass with proprietary chemical sizing for optimal dosing and dispersion in gypsum board reinforcement. Available in two lengths for fire resistance, strength, and dimensional stability.
• JM Q-FIBER Exceptionally pure, amorphous silica fiber originally developed for NASA space shuttle thermal protection. Used in high-performance filtration systems and extreme-temperature insulation applications.
• StarStran 642 PE composite product designed for enhanced durability and weather resistance in outdoor applications.

Quantifiable outcome

• Filtration media recycling achieves 50% material cost reduction compared to virgin materials
• +2 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• PureLoop GmbHcoreStrategic or Co-development Partner · 27 March 2025Partnership with PureLoop GmbH (Austria) to develop and implement an innovative filtration media recycling process. The collaboration enables Johns Manville to transform post-industrial glass microfiber filtration waste into compounded pellets for injection molding applications. PureLoop provides ISECevo recycling technology (integrated shredder-extruder-system) that processes waste at 300 kg/hour throughput rate, with resulting pellets containing ~30% glass fiber content for enhanced mechanical properties.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Saint-Gobain: French multinational and one of the world's largest building products manufacturers, with major insulation and roofing portfolios. Directly competes with Johns Manville in fiberglass and acoustic insulation, and is named alongside JM as a Top 5 player in the acoustic insulation market.
• Owens Corning: U.S.-based manufacturer of insulation, roofing, and fiberglass composites. Competes head-to-head with Johns Manville across building insulation, commercial roofing systems (including cool roofs), and engineered fiberglass reinforcements for composites.
• ROCKWOOL: Danish manufacturer of stone wool insulation and acoustic solutions for buildings and industry. Listed alongside Johns Manville as a Top 5 player in the acoustic insulation market and competes in industrial and building insulation.
• Knauf Insulation: Global insulation manufacturer producing glass mineral wool, stone wool, and other insulation products. Named alongside Johns Manville, Saint-Gobain, and ROCKWOOL as a Top 5 player in the acoustic insulation market.
• Carlisle Companies: U.S. conglomerate whose Carlisle Construction Materials division is a leading commercial roofing manufacturer. Competes with Johns Manville in commercial roofing membranes (TPO, EPDM, PVC) and is featured alongside JM in the waterproofing membranes and cool roofs markets.
• GAF Materials: North America's largest roofing manufacturer, producing commercial and residential roofing membranes and shingles. Listed alongside Johns Manville as a key player in the waterproofing membranes and cool roofs markets.
• Kingspan Group: Irish building envelope manufacturer specializing in insulated panels, insulation boards, and roofing systems. Competes with Johns Manville in high-performance insulation and commercial roofing applications.
• Armacell: Global manufacturer of flexible elastomeric foam insulation and engineered foams for HVAC, industrial, and OEM applications. Directly comparable to Johns Manville's mechanical and HVAC insulation product lines.

Broad incumbents

• Sika AG: Swiss specialty chemicals company with a major construction chemicals portfolio including roofing, waterproofing, and adhesives. Featured alongside Johns Manville in the U.S. waterproofing membranes market.
• BASF: Global chemical manufacturer producing MDI, polyols, and polyurethane systems that feed insulation and adhesive applications. Comparable to Johns Manville as a supplier of polyurethane chemistry underlying polyisocyanurate insulation and foam adhesives.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCHbunEFakup8cKgP2GvpPEg
• Xx.com/JohnsManville
• Facebookfacebook.com/JohnsManville
• LinkedInlinkedin.com/company/johns-manville

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 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 Johns Manville