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Sealing vent pipe and firestop gaps with hi-
temperature sealant will restrict cold air being
drawn in around fireplace.
STEP 5
(Fig. 23) Use the appropriate length of pipe section –
telescopic or fixed – and install. The 20" (508mm) section
of pipe which goes through the wall is packaged with the
7DVSK kit, and can be cut to suit if necessary.
STEP 6
(Fig. 24) Apply high temperature sealant to 4" and 7"
collars one inch away from crimped end. Guide the vent
termination 4" and 7" collars into their respective vent
pipes. Double check that the vent pipes overlap the collars
by 2" (50mm). Secure the termination to the wall with
screws provided and caulk around the wall plate to
weatherproof.
STEP 7
Support the horizontal pipes every 36 inches (914mm)
with metal pipe straps. Make sure that the horizontal vent
pipe is installed on a level horizontal plane.
STEP 8
Recheck the fireplace to make sure that it is levelled,
properly positioned, and nailed or screwed to the floor.
If applied, the fireplaces adjustable frame drywall strips
(nailing flanges) should be fastened. See "Framing &
Finishing.
Fig. 24
Fig. 23