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.

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

INSULATION Owens Corning delivers high-performance residential and commercial building and industrial insulation solutions through a full line of fiberglass, foam, and mineral wool products and systems. These products and system solutions help conserve energy, improve acoustics, and ease installation and use. These qualities add up to preferred insulation products for residential and commercial construction and industrial applications.

Owens Corning applies the principles of building science to develop safe, sustainable, durable, efficient, and affordable solutions that address thermal, air, and moisture performance for the entire building envelope. These solutions range from high-performance conditioned and ventilated attic systems to performance-engineered duct systems and wall systems designed for different climate zones. Owens Corning is committed to helping builders meet and exceed codes, providing comfort and energy-efficiency to building occupants, and offering safe, trusted insulation systems to installers.

Headquarters: One Owens Corning Parkway | Toledo, OH 43659

Contact: 800-GET-PINK

ROCKWOOL 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.

ROCKWOOL 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