Learn about the different types of roll roofing felt available before hammering your first nail. Manufacturers create different roofing felt for different purposes. Roofing felt comes in a handful of types including mineral-surfaced, asphalt, smooth surface and saturated. Don't waste time and money by using the wrong type of roll material.
Lay mineral-surfaced roofing felt rolls on sheds and outbuildings when you want to spare the expense of using asphalt shingles. This roofing material has minerals embedded in the surface. Mineral-surfaced roll roofing stands alone as a primary roofing material and will last around 10 years.
Made with a talc or mica coating, smooth-surfaced roll roofing also goes by the name coated felt. This type of roofing felt is meant for use on roof flashing and will seal the roof's intersections, valleys and eaves. Placing smooth-surfaced roofing in these areas gives extra deck protection.
Saturated and Asphalt
Roofers use saturated felt with asphalt blended into the material as an underlayment set between the decking of the roof and the top layer of roll roofing. Saturated felt comes in different weights. Asphalt roll roofing (different from saturated felt) is constructed like asphalt shingles and works better on roofing projects with slopes less than 3 inches per foot.
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