Installation Guide

3
Look Closer
At The Best
Cement Board
Substrate
PermaBase
®
Product Line
At A Glance . . . . . . . . . . . . . 4
PermaBase
®
Cement Board. . . . . . . . . . . 6
PermaBase PLUS
®
Cement Board. . . . . . . . . . 11
PermaBase UltraBacker
®
Cement Board. . . . . . . . . . 12
PermaBase Flex
®
Cement Board. . . . . . . . . . 13
Installation Guide
How And Where. . . . . . . . 14
Interior Applications . . . . . . . . 14
Accessories . . . . . . . . . . . . . . . . . 14
Exterior Applications. . . . . . . . 17
Cement Board Stucco
Wall Systems (CBSS). . . . . . . 18
Cement Board Masonry Veneer
Wall Systems (CBMV) . . . . . . 19
Continuous Insulation . . . . . . . 20
Technical Data. . . . . . . . . . . 21
Fire-Rated Assemblies. . . . . . . 21
With Design That Considers
The Environment
Together, we can attain the highest level of ecological
responsibility and resource-efficient technology. National
Gypsum is committed to developing and implementing
sustainable green building policies, standards and
practices. Beyond offering products that can help
contribute to healthier environments and have achieved
GREENGUARD Certification for indoor air quality,
we can help you meet the criteria for green programs
and LEED credits.