Installation Instructions

4
Floor Installation
1/4 in. (6 mm), 1/2 in.
(12.7 mm), 5/8 in.
(16 mm)
POSITIONING
Fit ends and edges of
panels closely but not forced
together, maintaining 1/4 in.
(6 mm). space between
panels and perimeter walls.
Stagger joints a minimum
16 in. (406 mm) so four
corners never meet. O set
panel joints a minimum
8 in. (203 mm) from
subfl oor joints.
16 in. 16 in.
1/4 in. gap
cut
edge
factory edges
underlayment
subfloor
LEVELING BED
Apply Type 1 organic
adhesive with 5/32 in.
(5 mm) v-notched trowel,
latex-fortifi ed mortar with
1/4 in. (6 mm). square-notched
trowel. Comb out adhesive
or mortar in straight, parallel
rows (as shown below) and
immediately cover with
panel. Adhere panels to
subfl oor, one panel at a time.
FASTENING
Secure panels while adhesive
is still wet. Space fasteners
8 in. (203 mm) o.c. around
the perimeter and in the
fi eld of the board.
Wood framing and
countertops: fasten with
1-1/2 in. (38 mm) 11-gauge
hot-dipped galvanized
roofi ng nails, or USG Durock™
Brand Tile Backer Screws for
wood framing or 1-1/4 in.
(32 mm) USG Durock™ Brand
Tile Backer Screws for wood
framing or equivalent.
JOINING
Fill joints with latex-fortifi ed
mortar or Type 1 organic
adhesive and immediately
embed alkali-resistant,
fi berglass mesh joint tape.
FINISHING
Tile or almost any fl ooring
material.*
*Not for use with vinyl fl ooring.