In August, the Asphalt Roofing Manufacturers Association (ARMA)
published an updated, revised edition of its Asphalt Roofing
Residential Manual. The manual is intended to provide good
practices relating to asphalt shingles, roll roofing and
self-adhering roll roofing used in residential roofing
applications. But because manufacturers' instructions may vary from
ARMA's guidelines, it is important for roofing professionals to
compare ARMA recommendations and manufacturer instructions.
The 2006 edition of ARMA's manual consists of 18 chapters and
124 pages; the previous 1997 edition consists of 14 chapters and
104 pages. The most obvious difference with the new manual is it
addresses three-tab strip shingles and architectural laminated
shingles separately. Also, additional chapters address flashing
conditions, application of hip and ridge shingles, and application
of self-adhering roll roofing.
The new manual's initial chapters address the advantages,
manufacturing and selection of asphalt roofing products; design
considerations; estimating how much roofing is required; and...
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