Installing Roofing Felt Underlayment

Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it.

Installing roofing felt underlayment. Installing roof felt is a two person job. This video walks through the very basic steps for installing tarpaper felt. Install drip edge at the roof eave edges. As you work the paper can be tacked down in the center so it won t blow away.

Roof felt also known as tar paper is a waterproof fiberglass product. Start by laying asphalt felt or other underlayment over the roof. Setting the roll and then nailing off. It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials.

The roofing felt should be applied in layers that overlap. 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. 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.

Overlap and cut drip edges. Apply and attach drip edge. 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. 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.

Using your staple gun secure the felt to the roof. Starting a roof with tarpaper felt. Whatever your reason for attaching. How to do it.

If you live in an area with inclement weather you should consider using a special ice and water protector. Sometimes called roofing felt underlayment roofing tar paper or roll roofing this is a layer of protection installed between the roof deck and the roofing shingles.