Installing Roofing Felt Underlayment

Start at the bottom of the roofline and work.

Installing roofing felt underlayment.

Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. Setting the roll and then nailing off. Whatever your reason for attaching. The roofing felt should be applied in layers that overlap.

The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it. Using your staple gun secure the felt to the roof. Start by laying asphalt felt or other underlayment over the roof. If you live in an area with inclement weather you should consider using a special ice and water protector.

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. Roof felt also known as tar paper is a waterproof fiberglass product. Fasten drip edge on eaves with. Starting a roof with tarpaper felt.

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. This video walks through the very basic steps for installing tarpaper felt. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. Any professional can measure and nail it all over the surface within a few hours.

Ideally the roof should be done when there is a forecast for several days without a lot. Install drip edge at the roof eave edges. Also the textured fabric lets steep sloppy walkability. Where the roof meets a wall lap the felt up 4 inches if possible.

The underlayment also has a slip proof polymer to the bottom. Overlap each row at least 3 to 4 inches. 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. Pry away the siding and slip the felt under the siding.