Laying Roofing Felt Underlay

Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it.

Laying roofing felt underlay.

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. The reason why drip edge should be installed below the underlayment along the eaves of the roof is so that water does not get under the drip edge. I want to be. When installing anything on a roof you need to follow the water rule the water rule means you consider where water will run when it s on the roof.

As you work the paper can be tacked down in the center so it won t blow away. Here is a video about roofing underlayment. Laying the felt the roofing felt should be applied in layers that overlap. Check this out.

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. Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches apart before laying roof felt. How to install roofing underlayment the proper way. Overhang the roof rake edge 1 5 and cover the underlayment with a metal rake edge trim.