4. INSTALLING THE TREX RAINESCAPE TROUGHS NOTE: If installing when temperatures fluctuate drastically, be sure to acclimate trough material before installing. Especially if you are using black. Here are two ways. » Fold a soft crease down the center of the trough. Be sure to account for the offset if installing for a 12" joist bay. (4A) » Unroll trough material, giving plastic time to relax and acclimate to outdoor temperatures.
4D
UNROLL USING 1 1 / ON INSIDE OF JOIST AS A GUIDE 2 " SCORE MARK
SLIDE TROUGH UNDER FLASHING
PLACE FIRST STAPLE
UNROLL TO THE DOWNSPOUT
4A
TO EASE INSTALLATION, FOLD A SOFT CREASE DOWN THE CENTER OF THE TROUGH BEFORE INSTALLING.
» Hold roll so 1 - 1/2" score mark is on the left. (4D) » Line up the 1 - 1/2" score with the second joist. » Place first staple at ledger board on 1 - 1/2" score mark side. (4E)
IF INSTALLING IN A 12" JOIST BAY THE FOLD NEEDS TO BE OFFSET TO ACCOMMODATE THE JOIST BAY
4E
1
PLACE FIRST STAPLE AT LEDGER
» When working with the Trex RainEscape trough material, ensure that the smooth/shiny side always faces up.
4
2
4B
FINISH STAPLING EVERY 8 " TO 10 " GOING FROM SIDE-TO-SIDE UNTIL YOU REACH THE LEDGER
PLACE SECOND STAPLE BEFORE DOWNSPOUT
1-1/2"
4" CUT LINE
3
» If installing the system on 12" o.c. joist, cut the 1 - 1/2" score mark side back 4". Then align the left edge of the trough with the outside of the joist. (4B)
PLACE 3RD STAPLE THROUGH TROUGH AND DOWNSPOUT
» Unroll trough to downspout using 1 - 1/2" score mark on inside joist as guide. » Cut trough to length to back wall of downspout. » To remove memory from sheet, backroll the last few inches of the trough. (4F) NOTE: If run is longer than 12', put down second staple halfway down second joist.
4C
ROLL
» Measure over 4" on the 1-1/2" score mark side and cut off for 12" on center joists. (4C)
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