Specifically designed as accessories to Siplast's STP and PMMA roofing and waterproofing systems, Pro Base sheets are high-performance modified bitumen base plies for use with Parapro and Paraflex Roof Membrane Systems. The unique top surface is factory coated with a proprietary Syntan® acrylic coating. The back surface is coated with a self-adhesive bitumen layer specifically formulated for optimum adhesion in low-slope membrane applications, and is lined with a high strength polyolefin release film.

Approved for a maximum 14 days of exposure prior to application of Parapro or Paraflex materials.
Available with Siplast RoofTag RFID.

Pro Base SA

Consists of a lightweight random fibrous glass mat impregnated and coated with high-quality SBS-modified bitumen. Designed for direct application to approved insulations and roof boards, primed structural concrete decks, and other approved substrates.

Pro Base LP SA

Consists of a lightweight random fibrous glass mat impregnated and coated with high-quality SBS-modified bitumen. Designed to be used as a base ply for direct application to DensDeck Prime® roof board, and other approved substrates.

Pro Base TS SA

Consists of a lightweight random fibrous glass mat impregnated and coated with an elastomeric SBS-modified bitumen. Designed for direct application to approved insulations, DensDeck Prime®, primed structural concrete decks, and other approved substrates.