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 MIL-HDBK-1001/5A
c)
Hazards of excess insulation thickness.
10.4.3
Membrane System. (Refer to par. 10.2 for reroofing
steep roofing) In making a selection of membrane system,
consider the following:
a)
Ponding water conditions, slow draining roofs, and
potential formation of ice;
b)
Minimum slope restrictions.
Standard is 1/4 inch
per foot (2 percent) for reroofing;
c)
Special construction logistics;
d)
Weight limitation dictated by existing deck;
e)
Expansion and/or control joint requirements;
f)
Flashing requirements;
g)
Fire and wind requirements;
h)
Roof traffic requirements;
i)
Maintenance requirement;
j)
Susceptibility to vandalism;
k)
1
Materials past performance record;
)
Product availability of all components from one
manufacturer;
m)
Product compatibility with adjacent roofing
products and materials within the new roof composite;
n)
Method of attachment;
o)
Tensile or "T" peel strength requirements,
especially lap seams of single-ply systems;
p)
Cost.
10.4.4
Surfacing
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