How To Fix Box Profile Roofing Sheets

Box profile sheet fixings trapezoidal or box profiled sheets should be fixed through every valley pan lowest point of the profile at every purlin with extra fixings being used at the ridge and eaves profiles for added strength.

How to fix box profile roofing sheets.

Box profile sheets are always fixed with a tech fasteners in the valley trough part of the sheet directly into the purlin underneath. The lower end of the sheet can be fixed through every trough to ensure the wind does not uplift the steel sheeting. These screws are purpose made fittings for these sheets and are drilled in with an 8mm socket driver fitted in the chuck of your electric drill. Primary fixings should be in profile valleys where possible.

Fix roofing sheets nail or drill each sheet into the purlins or decking beneath at every point at which the sheet overlaps and at the top and bottom of the slopes. When fixing through the sheet directly into a timber purlin a 32mm timber tek screw is recommended. Colour caps are used to cover the ends of fixings this allows the fixing to blend into the sheets colour.