Installation Instructions
Specifi cations are subject to change without notice
Page 3
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Distributed by Simx Limited
Roof Cowl Kits
INSTALLATION - ROOF FLASHING: STANDARD APPLICATION
Cut the pliable roof fl ashing sleeve on the 190/200 marking
Slide the roof fl ashing down over the tube. Water can be used as a lubricant.
Position the top end of the tube into the cowl.
The top edge should sit 20mm inside the cowl.
Drill through the three pilot holes and screw the cowl to the tube.
You can now proceed to the actual roof installation.
Cut a neat hole in the roofi ng material with minimal clearance for the tube.
Insert the tube through the hole.
Apply a neutral cure silicon sealant on the underside of the fl ange.
Turning the fl exible fl ange back makes this simple.
Press the roof fl ashing into the contours of the roof confi guration.
Fasten the roof fl ashing to the roof using self drilling washered screws or sealed rivets.
Drill a 5mm clearance hole in the fl ange for each screw.
The screws can be driven into the roof without the need for a pilot drill hole, or use a 2.5mm drill.
Fit the fasteners progressively outward in opposing pairs to avoid gaps.
In certain applications it may be advantageous to install the fl ashing on the
diamond
or bias.
This particular installation method is especially suitable when having to seal enlarged holes, for penetrations
on steep pitched roofs.
Screws
Roof
Flashing
Tube
Aluminium
Cowl
