Our Members

CertainTeed is a leading North American manufacturer of building materials including roofing, vinyl siding, trim, fence, railing, decking, insulation, gypsum, and ceiling products. CertainTeed has approximately 6,000 employees and 65 facilities throughout the United States and Canada.

A subsidiary of Saint-Gobain, CertainTeed is one of the top 100 industrial companies in the world. Saint-Gobain employs approximately 15,000 people in North America and nearly 190,000 people in 64 countries world-wide. Saint-Gobain’s North American companies operate more than 100 manufacturing facilities in industries as diverse as industrial ceramics.

Insulation Products: Fiberglass building insulations | Fiberglass pipe and board insulations | Fiberglass duct insulations | Fiberglass metal building insulations

Headquarters: 20 Moores Road | Malvern, PA  19355

Contact: Building Professionals 1-800-233-8990 | Consumers 1-800-782-8777

For more than 150 years, Johns Manville has focused on developing materials to make diverse environments stronger, more durable, and more energy efficient and comfortable. JM manufactures premium-quality building and mechanical insulation, commercial roofing, glass fibers and nonwoven materials for commercial, industrial and residential applications. JM products are used in a wide variety of industries, including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

Through their 7,000 global employees, JM provides products to more than 85 countries and operates 44 manufacturing facilities in North America, Europe, and China.

Insulation Products: Fiberglass building insulations | Fiberglass pipe and board insulations | Fiberglass duct insulations | Fiberglass metal building insulations | Fiberglass aerospace insulations

Headquarters: 717 17th Street | Denver, CO  80202

Contact: Customer Service 1-800-644-4013 | Technical 1-800-654-3103 Option 3

A multinational producer of building products and construction systems, Knauf is a typical family company despite its size.  From its beginnings in gypsum processing in Germany, Knauf has expanded and diversified to become a corporation with worldwide activities, delivering products and services in gypsum, insulation, and other building products such as ceiling tiles, rolled metal sections, and specialist wall render systems.

As part of the Knauf Group, Knauf Insulation represents one of the most respected and progressive names in insulation worldwide. Annual sales revenue is in excess of $1.5 billion. The company is the fastest growing insulation manufacturer in the world with a wide range of insulation products to meet the growing demand for energy efficiency and acoustic performance in new and existing homes, commercial buildings and industrial applications.

Knauf Insulation manufactures thermal and acoustical fibre glass insulations for residential, commercial, industrial, marine, original equipment manufacturer and metal building applications.

Insulation Products: Rock mineral wool building insulations | Fiberglass and rock mineral wool pipe and board insulations | Fiberglass duct insulations | Rock mineral wool metal building insulations

Headquarters: 4805 boul. Lapinière, Suite 3000 | Brossard, QC  J4Z 0G2

Contact: 450-678-2220 | Sales Office 800-825-4434 ext. 8485 | email

Owens Corning Canada is part of a $6 billion USD company with 16,500 employees worldwide, including 654 in Canada.  Owens Corning is a leading global producer of residential and commercial building materials, including insulation and roofing shingles; glass-fibre reinforcements for products such as cars, boats, wind blades and smart phones; and engineered materials for composite systems.

Owens Corning has been a Fortune 500® company for 61 consecutive years, and its sales revenue worldwide for 2015 was $5.4 billion.  The company has earned placement in the Dow Jones Sustainability World Index for six consecutive years.

Insulation Products: Fiberglass building insulations | Fiberglass pipe and board insulations | Fiberglass duct insulations | Fiberglass metal building insulations

Headquarters: One Owens Corning Parkway | Toledo, OH  43659

Contact: 800-GET-PINK

ROXUL Inc. is the leading North American manufacturer of stone wool insulation products for the North American market. The company has two strategically placed manufacturing facilities, one in Milton (East) and the other in Grand Forks, British Columbia (West). Both factories use world-class technology to produce residential products, as well as a wide array of industrial, commercial, and marine stone wool insulation products.

ROXUL Inc. is part of ROCKWOOL International of Denmark, the world’s leading producer of stone wool insulation made from natural stone and recycled slag.  The ROCKWOOL Group employs over 9,800 people operating in 40 countries in a network of sales offices, distributors, partners and factories. To date, there are 28 operating factories in 18 countries, with 3 of these factories located in North America.

Insulation Products: Stone wool building insulations | Stone wool pipe and board insulations | Stone wool commercial insulations

Headquarters: 8024 Esquesing Line | Milton, ON  L9T 6W3

Contact: Head Office 800-265-6878 | Customer Service 855-876-3755 | Technical 877-823-9790