Installing Roll Roofing Underlayment

Press the membrane of the self adhering roofing underlayment in place with heavy hand pressure to ensure the desired adhesion to the roof deck.

Installing roll roofing underlayment.

Peel back 1 to 2 feet of release liner align membrane. An underlayment of felt roofing is optional. Attach drip edge along the edge of the roof with roofing cement. It is required as an underlayment for most low slope asphalt roofing applicaions and also works well for low slope shed roofs without any additional roofing on top of it.

You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. Check the sheathing for any nails or screws that may be. While it is not necessary to install an underlay with roll roofing it is inexpensive and adds a layer of protection that makes it worthwhile. The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.

How to install roll roofing on low slope roofs. Roll out the underlay and tack it down making sure that it is flat and smooth not buckled or wrinkled anywhere. Rolled roofing is easy to install and a very economical roofing material to use. It works well for backyard storage shed roofing applications.

Extend the front edge of the drip edge so it runs off the roof and into the.