How To Install Underlayment On Roof

Install a layer of roofing insulation as recommended by the roofing manufacturer.

How to install underlayment on roof.

Install drip edge at the roof eave edges. Here is a video about roofing underlayment. How to install roofing underlayment the proper way. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.

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. Smooth out the underlay to prevent any bumps. Install the underlayment along the roof decking. How to install felt underlayment for a new roof.

Step 5 nailing the underlayment. Installing a roof is much more than just nailing shingles onto some boards. Using your staple gun secure the felt to the roof. If necessary adjust how the material ls aligned to keep it hanging over the decking material.

Hammer down any large nails that are exposed by the removal. Check this out. I want to be. It starts with installing solid decking usually plywood or oriented.

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. 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. Overhang the roof rake edge 1 5 and cover the. 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.

Now it s time to install the underlayment and flashing. Start by laying asphalt felt or other underlayment over the roof.