American Gypsum 
is a premier manufacturer of high quality gypsum wallboard products whose complete line of interior panel products have achieved the GREENGUARD Indoor Air Quality Certified® status and GREENGUARD Children & SchoolsSM Certification. A helpful feature on our website is the AG Design Library which allows quick selection of the proper fire and sound rated systems.
CertainTeed Gypsum 
CertainTeed is the world leader in the supply of gypsum board. The CertainTeed family in the US is comprised of the former BPB, Celotex Corp. and James Hardie Gypsum companies. CertainTeed operates 13 gypsum board plants across North America. CertainTeed's brands include ProRoc™ paper-faced gypsum board, ProFin™ finishing compounds and GlasRoc™ High Performance Gypsum Sheathing.
![[National Gypsum]](../../mfg/n/nationalgypsum.gif)
National Gypsum 
Gold Bond® Gypsum Board, ProForm® Drywall Finishing and PermaBase® Cement Board. The distinctive purple color XP® product line represents the latest in mold, mildew and moisture resistance. The e2XP® Extended Exposure products, also finished in purple, have a fiberglass mat designed to provide mold resistance and to withstand extreme weathering on internal and external surfaces.
Unifix
Unifix Inc. is a Canadian subsidiary of the National Gypsum Company that produces and markets PermaBase®, PermaBase Dek® and PermaBase Flex® Brand Cement Board products throughout Canada and internationally. PermaBase products are made of Portland cement, aggregate and glass mesh and provide a hard, durable surface that is able to withstand prolonged exposure to moisture.
4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).
See also:
06 1650 - Gypsum Sheathing
06 6700 - Ballistics-Resistant Panels
09 2240 - Non-Load-Bearing Wall Framing
09 2940 - Gypsum Wallboard Specialties - includes corners, trim, fasteners and other specialties
09 2960 - Lead-Lined Gypsum Wallboard
American Gypsum
is a premier manufacturer of high quality gypsum wallboard products whose complete line of interior panel products have achieved the GREENGUARD Indoor Air Quality Certified® status and GREENGUARD Children & SchoolsSM Certification. A helpful feature on our website is the AG Design Library which allows quick selection of the proper fire and sound rated systems.
CertainTeed Gypsum
CertainTeed is the world leader in the supply of gypsum board. The CertainTeed family in the US is comprised of the former BPB, Celotex Corp. and James Hardie Gypsum companies. CertainTeed operates 13 gypsum board plants across North America. CertainTeed's brands include ProRoc™ paper-faced gypsum board, ProFin™ finishing compounds and GlasRoc™ High Performance Gypsum Sheathing.
National Gypsum
Gold Bond® Gypsum Board, ProForm® Drywall Finishing and PermaBase® Cement Board. The distinctive purple color XP® product line represents the latest in mold, mildew and moisture resistance. The e2XP® Extended Exposure products, also finished in purple, have a fiberglass mat designed to provide mold resistance and to withstand extreme weathering on internal and external surfaces.
Unifix
Unifix Inc. is a Canadian subsidiary of the National Gypsum Company that produces and markets PermaBase®, PermaBase Dek® and PermaBase Flex® Brand Cement Board products throughout Canada and internationally. PermaBase products are made of Portland cement, aggregate and glass mesh and provide a hard, durable surface that is able to withstand prolonged exposure to moisture.