2005-2006 steep-slope roofing materials guide - National Roofing ...

eference standards, documents,
recommendations and/or criteria does not
necessarily imply that listed materials will or will
not produce acceptable roof systems.
How the Guide Is Organized
The Steep-slope Roofing Materials Guide is
divided into eight primary sections:
Section 1: Asphalt Shingles
Section 2: Fiber-cement
Section 3: Clay and Concrete Tile
Section 4: Metal Panels
Section 5: Wood Shakes and Shingles
Section 6: Slate
Section 7: Underlayment Sheets
Section 8: Incomplete Data
There is a general index listing all product
manufacturers included in the guide and the
locations of their specific product listings at the
end of this introductory section. Also, a listing of
all product manufacturers and the locations of
their specific products is provided at the
beginning of each section except for Section 8:
Incomplete Data.
There is also an introduction for each section at
the beginning of each section.
Finally, there are separate appendices at the
end of each section except for Section 8:
Incomplete Data. The purpose of these
appendices is to provide manufacturer-supplied
information that expands data listed in the
category section itself. Appendix information
can be found for a product when an AX@
appears in the space at the end of the listing
titled ASee Appendix if Checked.”
When reviewing the data in the Guide, users
should keep in mind the format is designed to
facilitate side-by-side product comparisons. For
this reason, listing companies can only respond
to existing items of requested information; they
cannot add their own items. Footnoting is not
permitted in Guide listings; companies instead
may expand on or clarify information by
providing copy for the appendix.
Product Listings With Incomplete Data
Product manufacturers included in the guide
are encouraged to provide NRCA with listing
information for their products that is as
2005-2006 Steep-slope Roofing Materials Guide 6
complete as possible for publication in the
Guide. When manufacturers submit product
information (e.g., test results) that is
incomplete, these specific products have been
omitted from the detailed listing sections of the
Guide. Manufacturers and products with
incomplete product listing information are
included in a new section of the guide, Section
8: Incomplete Data. NRCA has established this
policy regarding manufacturers= product listings
with incomplete data at the request of users of
the Guide, who are clearly seeking detailed and
complete product information from the guide
and the companies listed.
Users of the Guide who are interested in
specific product information about a
manufacturer=s product that is included in
Section 8: Incomplete Data are encouraged to
contact the product manufacturer directly.
Manufacturers= contact information is provided
in the General Index section (page 7-12) of the
Guide.