Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern.
Tin roof nails or screws.
When installing a metal roof you want to make sure you are starting square.
We do recommend it however.
When tin is installed on the roof special self tapping screws are used.
The fact that they have threads means that they will grip the anchoring surface of the roof well.
Tin roofing also known as metal roofing is considered more durable than composition or wood shingles.
Leaks happen around holes.
Suitable for attaching sheet metal to steel or wood.
Find roofing screws at lowe s today.
You will also need a large garbage can a jigsaw or power metal shear a staple gun a drill and assorted drill bits 1 inch roofing nails metal roofing screws and self drilling self sealing wood screws.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Be sure to order your roofing screws at the same time as your metal roofing panels so that you ll match the colors.
This type of screw penetrates the tin and buries itself into the roof joist.
The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to.
The roofing is manufactured in panels that install using aluminum nails or screws that.
Why screws are likely to be better than nails one of the main reasons why screws are better than nails at metal roof construction is the fact that they tend to hold for much longer.