For more about modified bitumen, see our Modified Bitumen Roofing page.

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If you are a reputable and qualified modified bitumen roofing manufacturer and feel that we've overlooked your company, feel free to contact us to ask to be added to this list.

• Building Products of Canada Corp.

• CertainTeed

• Conglas - Consolidated Fiberglass Products Co.

• Derbigum

• Ecology Roof Systems

• Firestone Building Products

• GAF Materials Corporation

• Henry Company

• IKO Industries

• Johns Manville, Inc.

• Malarkey Roofing Products
  

• MBTechnology

• Mule-Hide Products Co., Inc.

• Polyglass

• Siplast

• Soprema Group

• TAMKO Building Products, Inc.

• Tarco

• Tremco

• Tri-Built (Beacon Roofing Supply)

• Viking Products Group