Installation Guide

ManualsBrandsTrex ManualsLumber & CompositesRainEscape Deck Drainage System 2 in. x 50 ft. Double Side Elevations Butyl Tape Roll

CUT 1” OFF THE BACK OF THE DOWNSPOUT

THAT FACES THE CANTILEVER

ATTACH TROUGHS

ATTACH A SECOND TROUGH

FROM THE BACK OF THE

CANTILEVER AND EXTEND

BEYOND THE EXISTING

TROUGH

TRIM OFF EXCESS

TROUGH MATERIAL

4C. DOUBLE OR TRIPLE PICTURE FRAME:

LADDER BOX

» Place a 11” blocking horizontally on the ends of

the bay to support 45° decking.

» Install a 2 x 4 ladder box to support downspouts.

» Trim o all downspout nozzels to accommodate

gutter.

» Place downspouts into ladder box (DO NOT

REMOVE OPENINGS)

» Install a piece of trough material over the 11” block-

ing, making sure to overlap downspouts and the

adjoining trough.

» Tape over blocking, joints and seam making sure

that all screw penetrations go through trough

and tape.

5. CANTILEVERED DOWNSPOUT

» Tear o the cut-out on the front panel of the

downspout.

» On the back side of the downspout draw a line

from corner to corner extending down 1”. Cut the

downspout following the line.

» Staple the trough material from the end of the

cantilever over the existing trough. Repeat all the

steps as necessary for trough installation.

» Tape over all joints and seams.

6. OBSTRUCTIONS AND POSTS

» To install a post or obstruction on the inside rim

joist, ﬁrst mark the edges of the post on the trough

and draw two lines, corner to corner. Cut along the

diagonal lines.

CUT OUT THE END OF

DOWNSPOUT AROUND

THE POST

SLIDE A SCAPE

PIECE OF TROUGH

MATERIAL OVER THE

CUT-OUT

CREATE

TABS

ON THE

PATCH

MODIFYING DOWNSPOUT FOR

OBSTRUCTIONS

» Trace the obstruction on the downspout and

remove the material with a knife. (6A)

» Cut a patch of trough material 2” larger than the

opening and create ﬂaps on patch as per previous

instructions (obstructions and posts) and slide over

the top of the obstruction. (6B)

» Cover cut out area and post with tape. (6C)

TAPE AROUND POST

AND PATCH AREA

MODIFICATIONS & SPECIAL CASES

» Pull up tabs and install the post.

» Tape starting at bottom of the trough, up the post

overlapping layers to assure a water tight seal.

working up around the post extending down onto

the trough. Cut the tape at a 45 degree angle on all

corners. Place a small piece of tape over the corners

where the trough and post meet, to seal the corners

from any leaks.

» Staple trough as per the previous instructions.

MARK EDGES OF POST ON TROUGH

AND CUT DIAGONAL LINES

FROM CORNER TO CORNER

PULL UP TABS ON ALL FOUR

CORNERS AND INSTALL

THE POST

WRAP THE TROUGH AROUND THE POST EXTEND-

ING DOWN ONTO THE TROUGH. CUT THE TAPE AT

A 45 DEGREE ANGLE ON ALL CORNERS WHERE

THE TROUGH AND POST MEET TO SEAL THE

CORNERS FROM ANY LEAKS