How To Do Felt Roofing

The felt keeps the roof deck dry before shingles go on protects against wind driven rain as shingles fail and increases fire resistance.

How to do felt roofing.

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. 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. In northern climates ice or snow dams are another common. Ideally the roof should be done when there is a forecast for several days without a lot.

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. Start rolling the first layer of felt out from the bottom of one side of the roof. You must remove any rotted pieces of wood on the roof and replace them with your plywood. You can either measure the roof from the ground or by standing on a ladder and actually going.

Ensure the felt remains even and straight as you work. Tack the felt onto the initial rolling spot using a tack gun. Continue pulling the felt tight. Step by step guide for felting a flat roof step 1.

Attaching your roof felt 1. The roofing felt should be applied in layers that overlap. Wind driven rain or snow can trap water under your shingles putting your roof deck and inner residence at risk of moisture. Next find the center of the roof at the top and the eave then snap a vertical chalk line.

It provides backup protection in the event of ice or water damage. Start at the bottom of the roofline and work. Begin at the bottom right or. It s best to start nailing in the center and work out from there.

Using galvanised clout nails nail down the first layer of felt. Return to the side that you began rolling from and. Paint a thin layer of adhesive over the first felt layer.