How To Install Underlayment For Roofing

Peel the release liner from the membrane.

How to install underlayment for roofing.

Use a construction stapler or a hammer. This provides two plies across the entire roof with three plies at the headlap. After that you can put the membrane on the roof on the back of the plastic that has worked on your roof. Be cognizant of the.

Step 3 preparing the underlayment. Press the membrane of the self adhering roofing underlayment in place with. Step 4 rolling the underlayment. Be careful moving up and down the ladder.

Minimum overlap guidelines are set by the. Apply drip edge to the eave. Step 1 safety. Install drip edge at the roof eave edges.

Step 5. How to do it. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads. After that press the edge of the membrane on the roof by using a roller on your roof so that your roof does not look slanted to peel and stick roof underlayment.

The lap is half the width of the roll plus one extra inch for headlap. The standard approach for two ply roofing underlayment is to lap a 36 inch roll by 19 inches. Overhang the roof rake edge 1 5 and cover the underlayment with a metal rake edge trim. Step 2 preparing the roof.

How to install roofing underlayment. Apply and attach drip edge. Cut drip edge flashing at an angle at the corner press it lightly against the eave end. 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.

Back roll method cut the membrane into 10 to 15 foot lengths and re roll loosely. Put on your protective eye wear and work boots before you begin.