Installing Roofing Felt Underlayment

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.

Installing roofing felt underlayment.

Cut drip edge flashing at an angle at the corner press it lightly against the eave end. If you live in an area with inclement weather you should consider using a special ice and water protector. Installing roof felt is a two person job. Using your staple gun secure the felt to the roof.

Setting the roll and then nailing off. Starting a roof with tarpaper felt. Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. Apply and attach drip edge.

It is used for temporary roofing for weatherproofing and as an underlayment under shingles or other permanent roofing materials. As you work the paper can be tacked down in the center so it won t blow away. The roofing felt should be applied in layers that overlap. Overlap each row at least 3 to 4 inches.

Whatever your reason for attaching. Start by laying asphalt felt or other underlayment over the roof. 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. This video walks through the very basic steps for installing 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. Roof felt also known as tar paper is a waterproof fiberglass product. Overlap and cut drip edges. Install drip edge at the roof eave edges.

How to do it. 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.