PermaBase Cement Board ® Exterior Applications Guide

PermaBase brand Cement Board ® Description PermaBase® brand Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture. PermaBase offers a competitive advantage over similar products on the market with its patented EdgeTech® technology. The tapered, reinforced edge design allows for closer nail or screw application to the edge. Features/Benefits m Reinforced edge with EdgeTech technology allows for closer fastener application of nails or screws at the edge without...

SIZES & PACKAGING m Joints should be treated with Cementitious Backer Unit (CBU): PermaBase Cement Board is a nailable, screwable backerboard panel which is composed of Portland cement, aggregates and reinforcements that has a significant ability to remain unaffected by prolonged exposure to moisture. PermaBase complies with ASTM C 1325 and ANSI A118.9. Size: Thickness, Width & Length Physical Feature Benefits alkali resistant fiberglass mesh tape set in a latex-Portland cement mortar. m Conventional paper drywall tape, joint compound and drywall nails or screws should not be used. m Maximum...

WALLS & CEILINGS An ideal substrate for exterior applications such as: Wall Framing: Studs should be spaced a maximum of 16" o.c. Edges/ends of PermaBase parallel to framing should be continuously supported. Provide additional blocking when necessary to permit proper PermaBase attachment. Do not install PermaBase directly over protrusions from stud plane such as heavy brackets or fastener heads. m Tile applications m Stucco applications m Cement board stucco m Thin brick m Adhered stone veneer m Thin porcelain tile m Ventilated rainscreen facade m Soffit panels m Sheathing panels m Outdoor kitchens/grills...

Cement Board Stucco Wall System Description Cement Board Stucco is a watermanaged exterior wall system designed to provide increased highimpact and weather resistance and improved dimensional stability where exterior insulation value is not required. For the purposes of meeting structural racking or fire code requirements, it is applied over the following approved sheathings: Exposure 1 or exterior plywood (grade C-D or better); Exposure 1 OSB; glass mat gypsum substrate meeting ASTM C 1177. It combines the strength and durability of PermaBase Cement Board with the performance and beauty of reinforced...

Cement Board Masonry Veneer Wall Systems (CBMV) PermaBase as a component of CBMV Systems The use of adhered manufactured stone and thin brick masonry veneers is increasing in popularity. Cement Board Masonry Veneer Systems (CBMV) have been designed to offer complete, engineered solutions for the installation of manufactured and natural stone masonry veneer, as well as thin brick veneers. These systems have been developed and are marketed by various manufacturers of the adhering materials used to install them as well as the veneer manufacturers themselves. CBMV Systems offer increased performance...

PermaBase® brand Cement Board Technical Data Technical Data Fire-Rated Wall Assemblies PermaBase Cement Board has been tested and/or approved for use in a variety of fire-rated wall systems. 1-Hour Rating – The 1-hour wall assembly consists of 3-5/8" steel studs, 16" o.c., one layer of 1/2" PermaBase attached horizontally or vertically with 1-1/4" long cement board screws 8" o.c. in the field and perimeter on one side and one layer of 5/8" Fire-Shield® gypsum board attached vertically on opposite side with joints staggered to those of opposite side, with 1-1/4" long drywall screws 8" o.c. in...

PermaBase brand Flex Cement Board LIMITED WARRANTY AND REMEDIES PermaBase brand Flex Cement Board is a polymer-modified cement board reinforced with an alkaliresistant fiber mesh ideal for use around ceilings, beams, columns, arches and archways, walls and anywhere an evenly curved surface is required. ® Applications m Radius wall construction m Exterior and interior columns m Barrel ceilings m Radius shower walls m Radius tub step-ups m Radius archways m Radius stair construction m Saunas and steamrooms Features/Benefits m 6" (150 mm) minimum radius m Bends immediately, easily and cement board...