Single-Ply Roofing membranes are systems that are applied in one layer. Seams of Single-Ply Membranes can be heat welded, solvent welded, and adhered using seam tape or other adhesives. Single-Ply membranes come in five basic types:
Ballasted
Fully-Adhered
Mechanically-Fastened
Partially-Adhered
Self-Adhered