Materials:Pro Base

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Materials:Pro Base

Division C - Accepted Materials

Pro Base
by Siplast

Material Acceptance and Product Details

The information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the Guarantor. The preparation of a detailed specification is the responsibility of the Design Authority.

Accepted for the RoofStar Guarantee Program
October 20, 2022
Accepted for application in
Roof Waterproofing Systems
Acceptance Criteria
Product Summary
Pro Base replaces Paradiene 20 P, which was previously accepted by the RGC.
"Pro Base is a high performance modified bitumen base ply specifically designed for use in Parapro and Paraflex Roof Membrane Systems. Pro Base consists of a lightweight random fibrous glass mat impregnated and coated with high quality styrene-butadiene- styrene (SBS) modified bitumen. The unique top surface is factory coated with a proprietary Syntan ® acrylic coating." (from the Technical Data Sheet)
Conditions and Limitations
see "Standard for SBS-modified Bitumen Membrane Roof Systems" for specific requirements concerning use and application of this material.
Technical Data Sheet
Click the "PDF" icon to open the TDS in a new window.
Technical Data Sheet

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