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Hot-Air Tool Techniques: Single-Ply Welding on Vertical Surfaces

Hot-Air Tool Techniques: Single-Ply Welding on Vertical Surfaces

Parapets are wall-like barriers surrounding the edge of a flat roof, as seen on many commercial buildings. These half-walls serve many purposes. Unfortunately, these architectural features can prove challenging for contractors charged with seam welding a single-ply, thermoplastic membrane along the parapet’s vertical surface.