GOLD BOND® BRAND DURASAN® PREFINISHED GYPSUM BOARD National Gypsum Company Technical Information: Internet Home Page: Gold Bond® BRAND Durasan® Prefinished Gypsum Board board with the beauty, colors, wide variety of vinyl coverings. BASIC USES All Durasan wall panels can be applied directly to studs or as a finish layer over gypsum wallboard. Durasan panels most demountable partition systems. Because Durasan less expensive to install than building a wall and then applying a wall covering • Vapor retarders: Durasan vinyls are vapor retarders (perm less than 1). A second vapor retarder should not be placed behind these products; for ex- ample, kraft faced insulation "Vapor-Permeance" next page) • High heat: Durasan wall panels have the same limita- tions regarding heat as regular gypsum board and should not be used in areas where surface temperatures will Durasan wall panels are not suitable for use behind stoves where direct heat or steam could affect the panel covering. • Moisture conditions: Durasan panels should not be used around bath tubs, in shower enclosures or in areas where panels will be subject to free • Concrete surfaces: When Durasan panels abut concrete floors and/or ceilings, cut the panel to allow a minimum of 1/8" clearance between panels and floors and/or ceilings to prevent potential wicking. • Treated lumber: If Durasan panels will be applied over treated lumber, tests should be conducted prior to application to be sure the chemical treat- ment of the wood does not affect the bond or color of the panel covering. • Masonry walls: Do not apply Durasan panels over wet or damp masonry walls. Mildew or staining problems could • Color variation: Since manu- facturers of the vinyl film used on Durasan panels furnish to a commercial color match, minor color variations are pos- sible. Therefore, care should be taken during application to ensure the panels applied on single walls or visual areas are such variations in the vinyl film. COMPOSITION & MATERIALS Durasan prefinished wall panels are available with regular and Type X (Fire-Shield) gypsum Durasan contains no asbestos. The long edges of all Durasan wall panels are beveled and wrapped with decorative vinyl. Matching trims - outside and inside corners snap on outside corner snap on interior trim vinyl laminated to an extruded vinyl form. The 2-piece trims are matching vinyl laminated to extruded vinyl which is then attached to a steel retainer. Edge grip clips Adhesive - check with adhesive manufacturer's Matching vinyl roll goods Vinyl Durasan: Durasan vinyl- covered wall panels are handsome colors in 3 distinc- tive patterns and textures. Other colors, patterns and ordered to meet individual design requirements. Finish Color Stipple Champagne, Santa Fe Porcelain, Adobe Harvest Cotton, Oyster White, (Continued next page) • Noncombustible: Durasan gypsum board is considered surface material not over 1/8" thick with a flame spread of high-quality vinyl surface of Durasan wall panels offers good fade resistance. The vinyl films are specifically formulated with light-stable provide maximum stability and color retention under varying environmental conditions. • Abrasion resistance: Durasan vinyl wall panel coverings are extremely abrasion resistant. Submittal Approvals: (Stamps or Signatures)

TECHNICAL DATA PHYSICAL PROPERTIES Thickness, nomina Thickness, nomina Width, nomina Length, standard Weight, Ibs./sq. ft., nomina Weight, Ibs./sq. ft., nomina Surface Burning Characteristics Flame spread: 25 or less Smoke developed: 50 or less *Other lengths between 8' (2438 mm) and 14' (4267 mm) are available by special order APPLICABLE STANDARDS AND REFERENCES National Gypsum Company, Durasan Brochure - 0110705 FIRE RATINGS Assemblies employing Durasan prefinished gypsum wall panels used as a wall surfacing material have been accorded fire resistance ratings by Factory Mutual Research Corp....