MIL-HDBK-1001/SA
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) Materials past performance record;D
1) 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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