How To Install Underlayment On Roof

Smooth out the underlay to prevent any bumps.

How to install underlayment on roof.

Overhang the roof rake edge 1 5 and cover the. Step 5 nailing the underlayment. How to install roofing underlayment the proper way. Now it s time to install the underlayment and flashing.

Synthetic roofing underlayment is to be laid horizontally parallel to eave with printed anti slip side up starting at the bottom of the lowest roof eave with a 1 5 underlayment overhang at the eave covering the pre installed eave drip edge. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents. Check this out. Inspect the underlying roof sheathing for damage and make any needed repairs.

Hammer down any large nails that are exposed by the removal. In roof areas where roof planes meet to form valleys which naturally channel high water flow in wet weather and other roof penetrations such as skylights plumbing vents roof to wall intersections are also important roof areas that can benefit from peel and stick membrane underlayment installation. Start by laying asphalt felt or other underlayment over the roof. Installing a roof is much more than just nailing shingles onto some boards.

Subscribe and share please. Install the underlayment along the roof decking. Install drip edge at the roof eave edges. 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.

If necessary adjust how the material ls aligned to keep it hanging over the decking material. I want to be. It starts with installing solid decking usually plywood or oriented. 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.

These pieces act as a weather proofing and protective barrier between your house and the elements helping keep water and cold temperatures out. Using your staple gun secure the felt to the roof.