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.
Colour caps are used to cover the ends of fixings this allows the fixing to blend into the sheets colour.
When fixing through the sheet directly into a timber purlin a 32mm timber tek screw is recommended.
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.
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 lower end of the sheet can be fixed through every trough to ensure the wind does not uplift the steel sheeting.
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.
The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets.