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A roofer, roof mechanic, or roofing contractor is a tradesman who specializes in roof construction. Roofers replace, repair, and install the roofs of buildings , using a variety of materials, including shingles , single-ply , bitumen , and metal .
"The association has more than 3,500 members from all 50 states and 53 countries and is affiliated with 97 local, state, regional and international roofing contractor associations” [1] [2] Professional Roofing is NRCA's monthly publication. Reid Ribble is the current Chief Executive Officer.
Permanent, federally funded housing came into being in the United States as a part of Franklin Roosevelt's New Deal. Title II, Section 202 of the National Industrial Recovery Act, passed June 16, 1933, directed the Public Works Administration (PWA) to develop a program for the "construction, reconstruction, alteration, or repair under public regulation or control of low-cost housing and slum ...
Although modern construction elements such as drainpipes may remove the need for pitch, roofs are pitched for reasons of tradition and aesthetics. So the pitch is partly dependent upon stylistic factors, and partially to do with practicalities. Some types of roofing, for example thatch, require a steep pitch in order to be waterproof and durable.
In the United States, fiberglass-based asphalt shingles are by far the most common roofing material used for residential roofing applications. In Europe, they are called bitumen roof shingles or tile strips, and are much less common. [4] They are easy to install, relatively affordable, last 20 to 60 years and are recyclable in some areas.
Developers would purchase a dozen or more adjacent lots and conduct the building construction as an assembly-line process. [3] Tract housing development makes use of few architectural designs, and labor costs are reduced because workers need to learn the skills and movements of constructing only those designs rather than repeat the learning curve.
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