Installation Guide

14
MODIFICATIONS & SPECIAL CASES
12
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
DOUBLE OR TRIPLE PICTURE FRAME (LADDER BOX)
2 X 4 LADDER BOX
DOWNSPOUTS DRAIN INTO
COLLECTION GUTTER
DOWNSPOUTS INSTALL IN EACH
LADDER BOX. DO NOT TEAR OUT
OPENING ON DOWNSPOUT
11" BLOCKING
ON ENDS
COVER BLOCKING WITH
TROUGH AND TAPE
DO NOT USE SCREWS THAT PENETRATE THROUGH THE 2X4 SHIM AND
PUNCTURE HOLES IN THE TROUGH MATERIAL WHERE ITS
NOT TAPED OR SEALED
SINGLE PICTURE FRAME
9A. SINGLE PICTURE FRAME
»
Place a horizontal nailer flush with the top of the
joist from the ledger board to the rim joist.
»
Caulk between the blocking and the joists seam.
»
Cover nailer with trough, making sure to overlap
adjoining downspout and trough.
»
Cover all seams and anywhere screws
may penetrate with tape.
NOTE: Do not use larger than 2 x 6 flat blocking.
9B. DOUBLE OR TRIPLE PICTURE FRAME:
2 X 4 SHIMS
»
Install the Trex RainEscape system as per
previous instructions. (Pages 5-9)
»
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).
9A 9B
9C
HORIZONTAL BLOCKING
RUNS THE ENTIRE
LENGTH OF THE JOISTS
TROUGH OVERLAPS
BY AT LEAST 1"
TAPE OVER
SEAMS AND
ANYWHERE
SCREW MAY
PENETRATE
CAULK BETWEEN
THE BLOCKING AND THE
JOISTS SEAM