Installing Roofing Felt Underlayment

Install drip edge at the roof eave edges.

Installing roofing felt underlayment.

The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it. Whatever your reason for attaching. 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. Setting the roll and then nailing off.

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. 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. In some situations you may have to temporarily remove the siding and replace it after installing the underlayment shingles and flashing. This video walks through the very basic steps for installing tarpaper felt.

Pry away the siding and slip the felt under the siding. Overlap each row at least 3 to 4 inches. Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. If you live in an area with inclement weather you should consider using a special ice and water protector.

Using your staple gun secure the felt to the roof. The underlayment also has a slip proof polymer to the bottom. Installing roof felt is a two person job. The roofing felt should be applied in layers that overlap.

Roof felt also known as tar paper is a waterproof fiberglass product. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. Where the roof meets a wall lap the felt up 4 inches if possible. Start by laying asphalt felt or other underlayment over the roof.

Ideally the roof should be done when there is a forecast for several days without a lot. Starting a roof with tarpaper felt. Also the textured fabric lets steep sloppy walkability. Any professional can measure and nail it all over the surface within a few hours.