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.
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.
You will most likely have to order the roofing metal in the amount and color specific to your house.
Do all roofing projects require purlins.
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We do recommend it however.
When tin is installed on the roof special self tapping screws are used.
Tin roofing also known as metal roofing is considered more durable than composition or wood shingles.
Suitable for attaching sheet metal to steel or wood.
Be sure to order your roofing screws at the same time as your metal roofing panels so that you ll match the colors.
The roofing is manufactured in panels that install using aluminum nails or screws that.
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 fact that they have threads means that they will grip the anchoring surface of the roof well.