Installation Guide

»
Unroll trough to downspout using 1 - 1/2" score
mark on inside joist as guide.
»
Cut the trough so that it extends about
halfway across the downspout.
»
To remove memory from sheet, backroll the last
few inches of the trough. (3F)
NOTE: If run is longer than 12', put down second staple
halfway down left joist.
7
BASIC INSTALLATION
BACKROLL LAST FEW INCHES
TO REMOVE MEMORY
FROM TROUGH
CUT A 1" WIDE BY
3
/4" TAB
TO PREVENT WICKING
AND FOLD
DOWN TAB
CUT THE TROUGH SO THAT IT
EXTENDS ABOUT HALFWAY
ACROSS THE DOWNSPOUT
3F
» Pull trough tight to ensure memory is released,
and place second staple on left joist
through downspout. (3E)
» Form a trough into downspout while lining up
the edge of the score mark with inside of joist.
Place third staple through trough and downspout
on right joist. (3E)
» Pull corner at ledger and right joist tight
keeping entire length of trough smooth and
wrinkle-free so as not to impede water flow. (3E)
» Place fourth staple on right joist. (3E)
» Continue stapling every 6" to 8" from downspout
to ledger on both joists to secure. (3E)
» Cut a 1" wide by 3/4" tab at center edge of trough
(fold tab down) to prevent wicking. (3F)
» Trough material must cover all exposed
wood on surface of deck
SCORE DOWN THE MIDDLE
OF THE TROUGH TO REMOVE
WRINKLES IF NEEDED WITH A
SCREEN SPLINE ROLLER
3H
RUN A WATER TEST
TO ENSURE WATER RUNS
TO DOWNSPOUT
TROUGH WILL PITCH 1/4"
PER 1' OR MORE
3G
NOTE: In extreme temperature swings, trough material
will expand and contract. Some wrinkling is acceptable but
should not impede the flow of water.
»
To test for correct slope, pour a cup of water on
trough at ledger board ensuring water runs to
the downspout. (3G)
»
Follow previous steps for the remaining troughs.