Installation Instructions

Glued-Down Wood Flooring
Installation of engineered or
solid hardwood glued-down
flooring must strictly follow
manufacturer's instructions.
Follow recommendations
above for underlayment
installation.
Ceramic Tile
Tile Backerboard
Framing Requirements
Steel or wood wall framing
shall be structurally sound
and in compliance with local
building code requirements.
Damaged and excessively
bowed studs shall be replaced
before installation of tile
backerboard panels.
Space wood or steel framing
16" o.c., maximum. Framing
shall be designed to meet
L/360 deflection for tile.
Fastening
Space fasteners 8" o.c. for
walls, 6" o.c. for ceilings. Fit
ends and edges of panels
closely, but not forced
together.
– Wood framing: 1-1/2"
hot-dipped galvanized
ring shank roofing nails
or 1-1/4" USG Durock
™
screws for wood framing
or equivalent.
– Steel framing: 1-1/4"
USG Durock
™
screws for
steel framing or equivalent.
– Joining: Fill joints with
latex-fortified mortar or
Type 1 organic adhesive
and immediately embed
USG Durock
™
tape or
equivalent alkali-resistant,
fiberglass mesh joint tape.
Shim
Place a 1/4" spacer strip or
shim around lip of bathtub or
shower pan to hold bottom
edge of panel o the fixture.
Joint Finishing
In areas that will be tiled, finish
joints with USG Durock
™
tile
backer tape and latex-fortified
mortar or Type I mastic. In
areas that will be painted: For
taping, use USG Sheetrock
®
Brand joint tape with USG
Sheetrock
®
Durabond
®
setting-
type joint compound. For
finishing, use USG Sheetrock
®
all purpose joint compound.
Do not use Plus 3
®
lightweight
all purpose or Midweight
™
joint
compounds on USG Fiberock
panels.
Planning Your Tile Installation
Where tile will not cover entire
wall surface, such as above
the tub and shower surrounds,
determine where you want
the tile to end and draw a level
line at this height. Be sure to
allow for height of tile cap, if
applicable.
height of tile
cap
cut
cut
cut
floor level
Wall and Ceiling
Application
10