Instructions / Assembly

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
5C. 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 nozzles to accommodate gutter.
»
Place downspouts into ladder box
(DO NOT REMOVE OPENINGS).
»
Install a piece of trough material over the 11"
blocking, making sure to overlap downspouts
and the adjoining trough.
»
Tape over blocking, joints and seams making sure that
all screw penetrations go through trough and tape.
6. CANTILEVERED DOWNSPOUT
»
Te a r o  t h e c u t - o u t o n t h e f r o n t p a n e l o f t h e d o w n s p o u t .
»
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.
7. POST/RAILINGS AND OBSTRUCTIONS
WITHOUT POST FLASH
»
To i n s t a l l a p o s t o r o b s t r u c t i o n o n t h e i n s i d e r i m j o i s t ,
first mark the edges of the post on the trough and draw
two lines, corner to corner. Cut along the diagonal lines.
»
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
8. USING THE TREX RAINESCAPE POST FLASH
»
Install the trough as shown in number 5A of this
installation guide.
»
Run a bead of caulk around the post, no more than
1" above the base of the post.
»
Slide the post flash down over the bead of caulk,
and tape the flanges to the top of the trough and
then tape the top of the post flash to the 4x4 post.
»
After decking is installed, attach the post sleeve.
»
If no post sleeve is used for the final deck, trim the
post flash to the height of the finished deck.
MODIFICATIONS & SPECIAL CASES
11
6
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 TAPE AROUND THE POST EXTENDING
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.
7
FOLLOW "5A" OF THIS INSTALLATION
GUIDE FOR ALL POST INSTALLATIONS
8
POST SLEEVE
BEFORE INSTALLING THE POST FLASHING,
APPLY A BEAD OF CAULK 1" ABOVE THE
TROUGH, THEN SLIDE THE POST FLASHING
DOWN
APPLY TAPE TO THE TOP OF THE
TROUGH OVER THE BLOCKING, OR ANY-
WHERE THERE MAY BE A PENETRATION
FROM NAILS OR DECK SCREWS
TOP VIEW SIDE VIEW
APPLY TAPE TO THE
FLASHING AND THE
TROUGH MATERIAL
IF USING A POST SLEEVE
APPLY TAPE TO THE
FLASHING AND THE
POST
IF NOT INSTALLING A POST SLEEVE,
CUT POST FLASHING TO THE TOP OF
THE FINISHED DECK