70 Pa. Code § 23.104 - Roofing materials
(a)
Roofing materials. Roofing materials shall be sold either by
the square or by the square foot only.
(b)
Square. The quantity of
roofing or roofing material that, if applied according to the directions or
instructions of the manufacturer, will cover an area of 100 square feet
exclusive of side laps or side joints; however, in the case of roofing or
roofing material of corrugated design the side lap or side joint shall be one
full corrugation.
(c)
Square foot. The quantity of roofing or roofing material that,
when applied according to the directions or instructions of the manufacturer,
will cover 1 square foot (144 square inches) exclusive of side laps or side
joints.
(d)
Declaration of
quantity. If the declaration of quantity on a package of roofing or
roofing material contains the term "square", it shall include plainly and
conspicuously, a numerical definition of the term "square"; for example, "One
square covers 100 square feet of roof area."
(e)
Common fractions. The
use of common fractions 1/3 is specifically authorized in the quantity
statement of a package of roofing or roofing material when, and only when, used
as the common fraction of the square.
(f)
Quantity statement. The
primary declaration shall only be in terms of a square or square foot. There is
no prohibition against the use of supplemental quantity declarations, such as
shingle, but in no case may the weight of the material be stated or implied.
However, the use of numerical descriptions for rolls of felt roofing material
may continue to be used.
Notes
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