Every day, NRCA's Technical
Services Section responds to requests for technical assistance.
About 20 percent of the requests come from homeowners, and a
substantial number of requests come from roofing contractors with
concerns about issues homeowners are facing. In many cases, roofing
contractors contact NRCA to
inquire about NRCA's position on
a specific topic, or they are looking for documentation to
substantiate their positions. Following is an assortment of
NRCA's most frequently asked
What is the best asphalt shingle?
NRCA cannot recommend specific
products and/or manufacturers. Asphalt shingle material performance
depends on the quality, quantity and compatibility of asphalt,
fillers, reinforcements and surface granules. Asphalt shingles
should comply with ASTM International standards and applicable
building codes. Fiberglass asphalt shingles should meet ASTM D3462,
"Standard Specification for Asphalt Shingles Made from Glass Felt
and Surfaced with Mineral Granules."
NRCA often is asked whether
there are other third-party organizations that evaluate asphalt
shingles. In June 2009, Consumer Reports magazine provided
ratings for 26 popular asphalt shingle products. Although
Consumer Reports is recognized for providing useful
information to help consumers select products, NRCA is concerned its article addressing
asphalt shingles will...