Roll roofing a small flat roof with greg zanis weatherwatch this quality gaf leak barrier helps keep water out of the most vulnerable areas of your roof inc.
Instalacion roofing rollo.
Add a second piece of full width roll roofing over the first.
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Set it in a bed of roofing cement smooth out any creases and drive nails near the edges.
You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead.
Generally this product is sold in rolls that are 36 inches wide and contain 100 square feet of material.
While rolled roofing is cheap and easy to install its resale value is perilously low when it is used to roof occupied structures.
It differs from other types of roofing which typically come as shingles in that it is one piece of material.
Nail the roofing in place with short roofing nails spaced 6 inches apart and 1 inch in from the outer edges of the roll roofing.
Rolled roofing is best installed on unoccupied structures such as sheds shops garages and other outbuildings.