How To Install Underlayment On Roof

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.

How to install underlayment on roof.

Subscribe and share please. If necessary adjust how the material ls aligned to keep it hanging over the decking material. Inspect the underlying roof sheathing for damage and make any needed repairs. Start by laying asphalt felt or other underlayment over the roof.

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. Smooth out the underlay to prevent any bumps. Here is a video about roofing underlayment. Now it s time to install the underlayment and flashing.

These pieces act as a weather proofing and protective barrier between your house and the elements helping keep water and cold temperatures out. Install drip edge at the roof eave edges. Install a layer of roofing insulation as recommended by the roofing manufacturer. It starts with installing solid decking usually plywood or oriented.

How to install felt underlayment for a new roof. 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. Hammer down any large nails that are exposed by the removal. Install the underlayment along the roof decking.

Check this out. Installing a roof is much more than just nailing shingles onto some boards. Overhang the roof rake edge 1 5 and cover the. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.

Using your staple gun secure the felt to the roof. Step 5 nailing the underlayment.