Lay the individual sheets across the roof joists or cross beams.
Fitting corrugated bitumen sheeting.
Install a corrugated roofing wall connector panel to a wall with roofing sealant when installing panels for a patio cover.
The sheets work well roof angles that range from 7 to 85 degrees making them a versatile roofing material.
When framing the roof the spacing for roof trusses should not exceed 24 inches 61 cm and purlins should not exceed 36 inches 91 cm apart.
Bitumen roof sheets are a sturdy cost effective and highly workable roofing material for many different outdoor roofing tasks and projects.
Most guides seem to use the nails and many don t even mention the availability of screws.
Take care to fix the bitumen corrugated sheets the correct way up.
The sheets also finish with the corrugation edge facing down to the surface of the roof.
The top of the sheet has a smooth grained surface whilst the underside of the sheet is identified by its dimpled rough surface finish.
Follow manufacturer s instructions for the sealant application.
Btm corrubit installation video.
A short video showing how to install onduline roofing sheets.
Onduline is the world s biggest bitumen sheet producer.
I m about to lay onduline on a 25 roof and am undecided as to which fasteners to use.
In my mind screws w.