Installation Instructions

USG Fiberock
®
Brand underlayment and tile
backerboard are all purpose substrates engineered to
meet floor underlayment and wall tile-backing
needs throughout a home. Under resilient flooring,
USG Fiberock underlayment provides a hard surface
that’s smooth and flat with no bumps or ridges to
show through or aect finished floor covering.
Behind and under tile or natural stone, USG Fiberock
tile backerboard provides the resistance to water
and mold that is required in bathrooms, kitchens
and entryways. With USG Fiberock panels, you can
rely on a single family of products to back all types
of tile and resilient flooring in the home.
2
Integral Water Resistance
This remarkable family of
products is completely
dierent from other
substrates. Manufactured
with a unique, proprietary
technology, USG Fiberock
panels feature a durable,
water-resistant composition
that eliminates the
swelling and warping often
experienced with fiber
cement, plywood, oriented
strand board (OSB), lauan
and other wood-based
underlayments.
Easy to Install
USG Fiberock panels score
easily and snap with minimal
eort. In fact, the International
Certified Floorcovering
Installer Association awarded
USG Fiberock underlayment
the “Installer Friendly Seal.”
Proven Performance
USG Fiberock panels are
warranted for 20 years.
They have been tested by
the Tile Council of North
America (TCNA), using the
Robinson Floor Method, and
are approved for residential
and light commercial use (as
defined by TCNA).
Environmentally Friendly
USG Fiberock panels are made
from 95 percent recycled
material. In recognition of the
environmentally sound
alternative these panels
provide, United States Gypsum
Company earned the Green
Cross certificate from Scientific
Certification Systems, a leading
testing company that evaluates
environmental claims.
USG Fiberock
®
Brand Underlayment
and Tile Backerboard