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. When fixing through the sheet directly into a timber purlin a 32mm timber tek screw is recommended. Primary fixings should be in profile valleys where possible. To fix the sheets each 34 1000 box profile sheet has 6 troughs for securing we recommend you fix the sheet into trough 1 3 4 and 6.

The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Colour caps are used to cover the ends of fixings this allows the fixing to blend into the sheets colour. Installing the sheets is simple to do using cladco screws for installing box profile 34 1000 the recommended installation is through troughs 1 3 4 and 6.