Pre drill the holes and use 10 by 2 in 25 4 by 5 1 cm screws with polycarbonate washers.
How to install clear roof panels.
Step 2 pitch.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Measure the width of your structure and divide by 760mm this will give you the amount of suntuf sheets.
Continue across the roof until it is completely covered lapping over the previous panel by at least 2 5 inches 6 4 cm minimum.
If your roof has a shallower pitch you may need to use additional weatherproofing measures.
Use the rounded molding strips on the vertical rafters and the corrugated ones on the horizontal cross braces.
Adjust the lap so that the last panel completes the coverage without making a cut lengthwise.
If you happened to build a pergola or just installed a ready made kit without roofing then you are a now asking yourself how to install a polycarbonate roof on a pergola.
If you ve got a pergola attached to your house then you might want to give yourself some extra shelter and protection from the weather simply by installing.
Suntuf is supported.
Place the first sheet of polycarbonate roofing on the lower corner of the roof that is nearest to the direction of the prevailing winds.
Add the metal panels.
Each screw hole needs to be predrilled with a 1 4 drill bit first to allow for expansion and contraction due to change in temperatures.
Use aluminum nails with neoprene washers and apply mastic to overlap of one corrugation.
Adjust door construction to desired size.
Where possible ensure that your roof pitch is at least 10.
How to install step 1 measure.
Polycarbonate roofing installation instructions.
Always begin working at the point with the longest peak to eave distance.
Drill a hole in each corrugation at the bottom of the polycarbonate sheet using a drill and a.
Pre drill holes and fasten side panels.
Once in place it is time to start securing it.
How to install polycarbonate roof on a pergola.
Step 3 purlin spacing.
Overlap roof panels one corrugation away from prevailing wind and nail to rafters starting from one end.
After cutting we placed the beautiful clear roof panels on top of the pergola.
This will ensure adequate water runoff.
For a secure and attractive finish you should use molding strips on top of the rafters.
They just sit onto the horizontal and vertical closure strips.
Pre cut roof rafters to desired pitch and nail into position.