Installation Guide

15
TAPE
TROUGH
TROUGH
TRIPLE BEAM
DECKING
JOIST
HORIZONTAL
BLOCKING
16. MODIFIED DOWNSPOUTS
»
For odd joist spacing you must modify the downspout.
»
Tear or cut out the front opening.
»
Cut through the back of the downspout half way
down, so that downspout fits bay opening.
»
Adjust the downspout to fit in the bay and
staple to secure.
»
Finish by taping the seam from top to bottom.
CUT DOWNSPOUT
THROUGH THE BACK
TOP TO BOTTOM
FLUSH MOUNT POST WITH
CARRIAGE BOLTS
ADJUST SIZE AND STAPLE
TO THE BACK OF THE BAY
IF USING 12 & 16 o. c.. FUNNELS,
MAKE SURE TO ALIGN DOWNSPOUTS
TAPE SEAM
TOP TO BOTTOM
16
14. SURFACE MOUNT POST TO SOLID BEAM
OR FLAT BLOCKING
»
When using surface mount post, pre-drill holes then
use a small amount of Butyl caulk on screw threads
to seal holes.
»
DO NOT use too much caulk or it will overflow on
deck and post mount.
14A
14B
14C
RUN A BEAD OF CAULK
BETWEEN BEAMS
FINISH BY TAPING
OVER ENTIRE BEAM
AND TROUGH TO
ENSURE PROPER
SEALING WHEN
ATTACHING
DECKING
15. INSTALLING A TROUGH OVER
A DOUBLE OR TRIPLE BEAM
»
Caulk between each beam to ensure a water tight
seal between the beams.
»
Cover the top of the beam with the trough material
that overlaps into both adjacent bays. Tape seams and
trough material where screw penetration may occur.
»
Tape over the top of the triple beam and trough
material that sits on top of the beam.
»
NOTE: All wood must be covered with trough material and
taped wherever decking will be screwed.
15
TROUGH
TROUGH
TROUGH
INSTALL ENOUGH TROUGH
MATERIAL TO COVER THE
TRIPLE BEAM AND EXTEND AT
LEAST 2" INTO THE ADJOINING
TROUGHS. TAPE THE SEAMS
OF THE TROUGH MATERIAL
TOGETHER
MODIFICATIONS & SPECIAL CASES