The exact type of fixings required will depend on the roofing sheet and purlin type either timber light steel or heavy steel however we recommend self drilling tek type screws with a 5 16th hex head for optimum performance.
Fitting corrugated metal roofing sheets.
Colours our products are available in an attractive range of colours in colorbond factory prepainted steel and in unpainted zincalume aluminium zinc magnesium alloy coated steel.
All the while these roofing sheets are easy to fit and lightweight especially when compared to traditional roof tiles.
You will require either a purlin on rafters or decked roof e g.
Take care to fix the bitumen corrugated sheets the correct way up.
As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head.
Fixing screws should always be screwed into the higher part of the profile when installing corrugated steel roof sheets to purlins and stitch screws are used to stitch the steel sheet to.
Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.
Make a note of the roof construction.
Corrugated sheets can be fixed with hex head screws ensuring fast and simple installation with the recommended side lap one and a half corrugations.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
A corrugated metal roof is quieter than pvc when it rains.
Also each sheet overlaps the next as it is laid horizontally and by 2 inches vertically.
Corrugated sheet roofing.
By combining high quality steel and a corrugated form factor our range of metal roofing sheets are a superb solution for virtually any roofing project.
When purchasing the pvc corrugated sheets remember that the sheets need to overhang the verge of the roof by 2 inches.
Roofing grade osb or plywood supported on a trussed roof structure as detailed below.
Fixings used to attach roofing sheets to purlins having to be durable and able to withstand considerable wind pressures.
Multiply the two measurements together to get the total area of the roof.
Corrugated sheet roofing material is widely available and easy to use.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
Corrugations should run in a straight line between the highest and lowest points and at a right angle to the purlins the intermediate supports.
Corrugated metal roofing sheets should always be fitted by over lapping by one corrugation and we always advise to start from left to right of a building.