Knightdale
Elementary, Wake County Public School System Shingle reroofing design
first required an investigation of the gypsum plank deck. The design
incorporated overlaying the gypsum deck with the plywood and securing
this to the deck with special fasteners. This provided a suitable substrate
for the shingles. Many details were required,
such as the interface between the single-ply membrane and the sills
of the clerestory windows and the parapet flashings. A stone-ballasted, heat-weldable, single-ply membrane was utilized on the flat roofs, with a narrow area of fully adhered membrane at the base of the shingles.
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