Installation Guide

16
BARRIER STRIPS
MODIFICATIONS & SPECIAL CASES
14. SURFACE POST MOUNT TO SOLID
BEAM OR FLAT BLOCKING
»
When using surface mount post, pre-drill holes then
use a small amount of butyl caulk on screw threads
to seal holes.
»
DO NOT use too much butyl caulk or it will overflow
on deck and post mount.
NOTE: Please refer to Trex.com for detailed post
mount instructions.
»
Insert the (2) stainless steel barrier strips
under the mounting bolt holes. Barrier strips
are required only if attaching post directly to
pressure treated framing.
»
Attach posts using four 3/8" x 6" (1 cm x 15.2
cm) hex cap bolts, washers, and nuts, along with
aluminum back plate on underside of blocking.
14A
14B
CUT 1" OFF THE BACK OF THE DOWNSPOUT
THAT FACES THE CANTILEVER
ATTACH
TROUGHS
ATTACH A SECOND TROUGH
FROM THE BACK OF THE
CANTILEVER AND EXTEND
BEYOND THE EXISTING
DOWNSPOUT
TRIM OFF EXCESS
TROUGH MATERIAL
15. CANTILEVERED
DOWNSPOUT
»
Tear o the cut-out on the front
panel of the downspout.
»
On the back side of the downspout
draw a line from corner to corner
extending down 1". Cut the downspout following
the line. (Some downspouts may have this line
pre-indicated).
»
Staple the trough material from the end of the
cantilever over the existing trough. Repeat all the
steps as necessary for trough installation.
»
Tape over all joists and seams.
15
SCAN FOR VIDEO