MODIFICATIONS AND SPECIAL CASES
CANTILEVERS (Trex RainEscape can accommodate any angle or radius – max. of 3') (See pg. 15)
PICTURE FRAME (See pg. 14)
EXTENDED DECK (See pg. 18)
DOUBLE OR TRIPLE BEAM (See pg. 17)
10A. FLAT BLOCKING, SINGLE PICTURE FRAME/BREAKER BOARD » 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 with 4" butyl tape and anywhere a screw can penetrate.
10B. DOUBLE OR TRIPLE PICTURE FRAME: 2 X 4 SHIMS » Install the Trex RainEscape system as per previous instructions. (pp 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).
NOTE: Do not use larger than 2" x 6" flat blocking.
SINGLE PICTURE FRAME 10A
TAPE OVER SEAMS AND ANYWHERE SCREW MAY PENETRATE
10B
TROUGH OVERLAPS BY AT LEAST 1 "
DOUBLE OR TRIPLE PICTURE FRAME (2 X 4 SHIM)
HORIZONTAL BLOCKING RUNS THE ENTIRE LENGTH OF THE JOISTS
DIAGONAL SHIM ON CORNERS TO ACCEPT DECKING
DOWNSPOUTS
SCREW DOWN 2 X 4 PRESSURE TREATED
TAPE OVER ALL JOINTS AND SEAMS
SHIM BLOCKING ON TOP OF THE INSTALLED DOWN SPOUT AND TROUGH
APPLY BUTYL CAULK BETWEEN THE BLOCKING AND THE JOISTS SEAM
TROUGHS
DO NOT USE SCREWS THAT PENETRATE THROUGH THE 2X4 SHIM AND PUNCTURE HOLES IN THE TROUGH MATERIAL WHERE ITS NOT TAPED OR SEALED
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