Paradiene 20, Self-Adhesive
Paradiene 20 SA is a multi-purpose self-adhesive sheet that may be utilized in the Paradiene 20/30 Roof System. The back surface is coated with a self-adhesive bitumen layer specifically formulated for optimum adhesion in low-slope membrane applications and lined with high-strength polyolefin release film. End laps must be heat welded and a torch-applied finish layer of Paradiene TG, Veral, or Parafor must be applied in the same day. If same-day application is not possible, all laps of the Paradiene 20 SA should be heat welded.
- A unique elastomeric blend formulated by SBS and high-quality proprietary asphalt.
- Designed for use in homogeneous multi-layer modified bitumen roof membrane systems.
- Available with Siplast RoofTag RFID.
Paradiene 20 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 approved roof board products and other approved substrates.
Paradiene 20 EG SA
Consists of a fiberglass scrim/fiberglass mat composite impregnated and coated with high-quality, heavy-duty SBS-modified bitumen. Designed to be used as a base ply for direct application to approved roof board products and other approved substrates.
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Additional Information
Used in conjunction with Paradiene/Parafor Roof Systems requiring extended warranties or guarantees.
Paradiene 20 TS SA
Consists of a lightweight random fibrous glass mat impregnated and coated with an elastomeric SBS-modified bitumen. The unique back surface design consists of factory-applied, self-adhesive stripes combined with a proprietary acrylic coating between the stripes, which provides for uniform bonding of 50% of the total surface area of the sheet. Designed for direct application to approved insulations and roof boards, primed structural concrete decks, and other approved substrates.
Finish or Cap Sheets
Detail drawings library
SBS-modified bitumen roofing
Explore detail drawings for our high-performance SBS-modified bitumen systems.
SBS-modified bitumen roofing detail drawings
Hybrid roof assembly
Combine the elongation and recovery properties of a Siplast Paradiene® SBS-modified bitumen base ply with the advanced chemical formulation of a Parasolo® single-ply cap sheet.
Hybrid roof assembly detail drawings
The RISE Center: Tensile Testing for SBS-Modified Bitumen
Watch how SBS-modified bitumen roofing materials are tested to determine how they perform over their lifetime.
RISE Blog: Paradiene 20/30 SBS-Modified Bitumen Membrane Systems
There are certain physical properties that a high quality SBS-modified bitumen system (e.g., Siplast Paradiene 20/30 system) has that help enable it to maintain performance over decades of service on a roof. Learn more by reading our article.