Most pros use this line to begin shingling working left and right toward the rakes.
How to do felt roofing.
How to install roofing felt prep work.
Start rolling the first layer of felt out from the bottom of one side of the roof.
Continue pulling the felt tight.
Start at the bottom of the roofline and work.
Tack the felt onto the initial rolling spot using a tack gun.
In northern climates ice or snow dams are another common.
Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive.
Before applying roofing you ll need to cover the sheathing with roofing felt also often called tar paper most local codes call for using 30 pound felt.
Attaching your roof felt 1.
Using galvanised clout nails nail down the first layer of felt.
You can either measure the roof from the ground or by standing on a ladder and actually going.
Next find the center of the roof at the top and the eave then snap a vertical chalk line.
Return to the side that you began rolling from and.
Begin at the bottom right or.
You must remove any rotted pieces of wood on the roof and replace them with your plywood.
Ensure the felt remains even and straight as you work.
The roofing felt should be applied in layers that overlap.
Step by step guide for felting a flat roof step 1.
Why use roofing felt paper.
It provides backup protection in the event of ice or water damage.
Wind driven rain or snow can trap water under your shingles putting your roof deck and inner residence at risk of moisture.
Watch our step by step video showing how to felt a shed roof with expert advice and top tips to help you complete the job with confidence.
The felt keeps the roof deck dry before shingles go on protects against wind driven rain as shingles fail and increases fire resistance.