11
TAPE ALL SEAMS ON
THE TROUGHS AND
DOWNSPOUTS
CUT WALL
FLASHING
TO WIDTH
SNAP A CHALK
LINE DOWN THE
CENTER OF THE
JOIST ON TOP OF
TAPE TO ENSURE
PROPER DECK
FASTENING
TRIM EXCESS TROUGH
AT SEAMS, KEEPING OVERLAP
KEEP KNIFE FLAT TO
AVOID SLICING
INTO TROUGH
TRIM EXCESS
(APPROX. 4
"
BACK)
TAPE
4
'
5A
5B
6A
6B
6C
»
Using Trex RainEscape tape, tape all seams, joints
and perimeter making sure the flashing is taped to
the trough. (5B)
NOTE:
Tape works off of compression and must be
pinched between decking and joist to make a tight seal.
NOTE:
The butyl tape should never be put directly on the
board without the trough material or a downspout below it.
5. TAPE ALL SEAMS
»
Trim excess trough at seams, keeping overlap so
tape will cover the top of the joist and seams. (5A)
6. WALL FLASHING FOAM STRIP
»
Cut a piece of the self-adhesive wall flash the
width of the deck. (6A)
»
Peel release paper from the wall flashing and
adhere to edge of decking. (6B)
»
Push first deck board up against house to
compress wall flash. Then secure decking. (6C)
PUSH AGAINST HOUSE
(TAPE WILL COMPRESS)
TROUGH
FLASHING
WALL FLASH
9
BA
SIC INS
TALLA
TION
