Roofing Underlayment
Our guys roofing in Charlotte NC. 704-913-5999, Roofing Underlayment Installation.
Roofing underlayment comes in a variety of sizes, and textures. Often used is #15 lb. or #30 lb. felt, Synthetics, and Ice and Water Shield. These products are the barrier between the roof decking ( wood ), and the chosen roof materials. #15 lb. covers (aprox) 400 sf., or 4 squares. # 30 lb. covers (aprox) 200 sf., or 2 squares. NOTE: (1 square is a 10'X10' area.)
Tar Paper
Tar paper is a heavy-duty paper used in construction. Tar paper is made by impregnating paper with tar, producing a waterproof material useful for roof construction.
http://en.wikipedia.org/wiki/Tar_paper
Source: Wikipedia
