Installation Guide

8
3. FOUR TYPES OF FLASHING:
With Flashing
»
When using flashing add a bead of caulk at the
ledger board and between the flashing and trough.
Tape over the flashing to the top of the of the
trough. (3A)
»
When taping seams, follow seams up wall.
Without Flashing
»
If there is no flashing at the ledger, slide 3" of
trough material under the existing siding. (3B)
No Flashing with Brick or Stucco
»
If installing against brick or stucco and you
DO NOT need a 100% water tight seal, use the
caulking method. (3D)
Flashing with Brick or Stucco
»
Cut into mortar or cement joint. (3C) Caulk "Z"
flashing into mortar. Install trough under flashing
as shown in (3A). Tape over flashing to the top
of the trough.
ADD A BEAD OF CAULK
AT THE LEDGER BOARD
IF NO FLASHING EXISTS EXTEND THE
TROUGH BEHIND THE SIDING
3B
CAULK "Z" FLASHING
WITH TREX
RAINESCAPE CAULK
CUT MORTAR
3C
3A
WHEN USING FLASHING, ADD A
BEAD OF CAULK AT THE LEDGER
BOARD AND UNDER THE FLASHING.
TAPE OVER THE FLASHING TO THE
TOP OF THE TROUGH.
RECOMMENDED
CAULK LEDGER
BOARD INTO
HOUSE WITH TREX
RAINESCAPE CAULK
CAULK TROUGH
INTO HOUSE
WITH TREX
RAINESCAPE
CAULK
3D
CAULK WITH COLOR MATCH SILI-
CONE (NOT SUPPLIED) OR USE TREX
WALL FLASHING
3A
6
BASIC INSTALLATION