Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof.
Flat roof underlay felt.
This underlayment features excellent asphalt saturation for effective waterproofing.
For pricing and availability.
The underlayment roll is comfortable to sit on the roof floors and walls or anywhere you need it.
Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Description documents 15 asphalt felt roofing underlayment provides an extra layer of protection between your shingles and your roof deck.
Any professional can measure and nail it all over the surface within a few hours.
Item 656632 model 0903000.
36 in x 144 ft 432 sq ft felt roof underlayment.
Also the textured fabric lets steep sloppy walkability.
Start the roof felt at one bottom corner of the roof.
36 in x 72 ft 216 sq ft felt roof underlayment.