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.
How to fix box profile roofing sheets.
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.
Colour caps are used to cover the ends of fixings this allows the fixing to blend into the sheets colour.
Box profile sheets are always fixed with a tech fasteners in the valley trough part of the sheet directly into the purlin underneath.
The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the 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.
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.