Installation Guide

MODIFICATIONS & SPECIAL CASES
14
12" O.C.
16" O.C.
4x4 POST FOR RAILING
PUT FLAT BLOCKING TO FILL IN ALL OPEN SPACE TO SUPPORT TROUGH
2x4 BLOCK
FLAT BLOCK
FUNNEL IN EACH
11A
11B
11. INSTALLING RAILING USING
THE LADDER BOX METHOD
If installing an inset post with double
picture frame using ladder box method:
»
Decide where each post will need to be attached
»
Use vertical and flat blocking at desired location
as shown. (11A)
» Caulk around all flat blocking. Cover with trough
material and tape all seams.
»
Cover all flat blocking with trough material
and caulk all seams.
12. USING THE TREX
RAINESCAPE
4X4 POST FLASH
»
Install the trough.
»
Run a bead of butyl caulk around
the post, no more than 1" above
the base of the post. (12A)
»
Slide the post flash down over the bead of butyl
caulk, and tape the flanges to the top of the trough
and then tape the top of the post flash to the
4x4 post.
»
After decking is installed, attach the post sleeve.
»
If no post sleeve is used for the final deck, trim the
post flash to the height of the finished deck. (12E)
»
NOTE: Post flash only available for 4 x 4 posts.
See section 13 for other sizes and obstructions.
12A
POST SLEEVE
BEFORE INSTALLING THE POST FLASHING,
APPLY A BEAD OF BUTYL CAULK 1" ABOVE
THE TROUGH, THEN SLIDE THE POST
FLASHING DOWN
10C. DOUBLE OR TRIPLE
PICTURE FRAME:
2 X 4 SHIMS
»
Install the Trex RainEscape system
as per previous instructions.
(pp. 5-10)
»
Tape all joints and seams.
»
Screw down 2" x 4" pressure-treated shim blocking
on top of the installed the RainEscape system over
the joists and wherever blocking is needed to
support deck boards.
»
Attach decking. (When attaching decking use
fasteners that do not penetrate all the way
through the 2 "x 4" shim).
DOUBLE OR TRIPLE PICTURE FRAME (2 X 4 SHIM)
SCREW DOWN 2 X 4
PRESSURE TREATED
SHIM BLOCKING ON TOP
OF THE INSTALLED DOWN
SPOUT AND TROUGH
DIAGONAL SHIM ON CORNERS
TO ACCEPT DECKING
DOWNSPOUTS
TROUGHS
TAPE OVER ALL
JOINTS AND SEAMS
DO NOT USE SCREWS THAT PENETRATE THROUGH THE 2X4 SHIM AND PUNCTURE
HOLES IN THE TROUGH MATERIAL WHERE ITS NOT TAPED OR SEALED
10C
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