Roofs pitched at 4 12 and greater require one layer 905 3 3 2.
Roofing material choices.
This change is being driven by a few different factors.
Roofs with a pitch of less than 4 12 require double coverage underlayment 905 3 3 1.
Material costs plus pros cons.
Clay and concrete tile roofs may be installed on solid sheathing or spaced sheathing boards on roofs pitched 2 5 12 or greater.
Asphalt composite shingles are the most popular roofing material in north america.
Tile attachment methods vary with climatic conditions roof slope underlayment system and tile type.
The choices range from asphalt shingles to wood shakes and clay tiles from steel panels to rubber lookalike slate.
Asphalt shingle roof and vinyl siding asphalt shingle roof.
Asphalt shingles wood shingles and shakes metal roofing concrete clay and fiber cement tiles natural and faux slate and the much hyped tesla.
There are lots of options for roofing materials available and here is a rundown of some of the most popular ones.
The most important trend to note however is that as with home construction materials in general there is an increasing move towards engineered roofing materials.
Economical to produce relatively easy to install and widely available fiberglass asphalt shingles are today s most popular roofing material.
This comprehensive guide to roofing materials is all the research you ll need to evaluate the top choices for residential re roofing and new construction projects in 2020.
Best roofing materials for homes 2020.