Place the next piece of sheeting above the first piece, overlapping the first sheet by 3 to 4 inches. Drill holes and attach the roofing to the substructure at either the valley or rise of every other corrugation as before.
How much do you overlap polycarbonate sheets?
Each sheet should extend past the support (and screws) by a minimum of 100 mm, this will effective give a minimum 200 mm overlap as pictured below.
How much do you overlap Suntuf panels?
When joining the sheets, overlap one and half corrugations for the corrugated profile.
How much do you have to overlap corrugated roofing?
Overlap of 1 corrugation recommended, it yields overall coverage of 48″. If overlap needed in sheet length, we recommend 4″ overlap. Do not apply sealants on overlapping panels, it will cause unsightly dirt streaks. Procedure: Begin by installing roof sheet.
What are the disadvantages of polycarbonate?
The main disadvantage of polycarbonate is that it isn’t resistant to scratches. For example, if a branch should happen to fall on a patio canopy made of polycarbonate, it may be scratched. This problem can be solved by polishing the polycarbonate.
Can you walk on polycarbonate roofing?
You should never walk on polycarbonate roofing unless it’s well-supported underneath. While polycarbonate roofing can sustain a lot of abuse, it’s not meant to support the weight of a person. The surface is slippery and you will likely fall. Further, you can dent and scratch it if you walk on it.
Do you need to pre-drill polycarbonate roofing?
When installing polycarbonate roofing, it is considered good practice to pre-drill the screw holes before fixing the sheets. … Caps and flashings should likewise be pre-drilled so that when installed, the roofing sheets underneath can also shift as the temperature changes.
How long does polycarbonate roofing last?
Both types of polycarbonate roofing last anywhere from 10 to 20 years. Some manufacturers however do warranty their products for the lifetime use of the home.
Is Suntuf better than Laserlite?
Polycarbonate Colours: Light = Heat
For example, Suntuf has a SolarSmart range and Laserlite have a 3000 range. These types of sheets help to skew the amount of light available without letting as much heat through. They are able to reflect more of the heat.
How do you seal the ends of polycarbonate sheets?
Silicone should be applied along the undersides of the top lip of the end closure to form a weather tight seal and prevent unwanted water ingress inside the sheets.
Can polycarbonate be bent?
A polycarbonate sheet can be bent without heating, However you need to consider sheet thickness, angle of bending and the tooling for the best results.
How do you attach polycarbonate panels to wood?
These screws are basically used to attach polycarbonate panels to wooden panels or frames. They are used with neoprene washer.
How far apart should roof purlins be?
The spacing of purlins on roofs and girts on wall is usually 4 to 6 ft. Numbers 20 and 22, U.S. Standard gage, are generally used for roofing; No. 24 for siding.
How do you seal corrugated roofing?
Insert a tube of butyl caulking into a caulk gun and snip the end off using sharp scissors. Apply a 1/4-inch wide bead of caulk over the seam where the two panels overlap. Work your way across the entire roof to apply caulk to all remaining seams to seal them.