Materials:Situra RedLINE Expansion Joint (Siplast)

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Materials:Situra RedLINE Expansion Joint (Siplast)



Division C - Accepted Materials


Situra RedLINE Expansion Joint (Siplast)
by Siplast, Inc. (A Division of GAF Materials Canada ULC)

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.

Manufacturer
Siplast, Inc. (A Division of GAF Materials Canada ULC)
Accepted for the RoofStar Guarantee Program
June 11, 2026
Accepted for application in
Waterproofing Roof Systems
Grade-level Waterproofing Systems
Acceptance Criteria
None (See Article 10.1.6.1. in the RGC Standards for Waterproofing Roofs and Grade-level Waterproofing for acceptable material properties)
Product Summary
The Situra RedLINE Expansion Joint (Siplast) waterproof expansion joint system is used for waterproofing expansion joints in structures, such as commercial and industrial buildings, parking garages, tunnels, etc. The Situra RedLINE Expansion Joint is specifically designed to accommodate building movements up to 1” [25 mm]. The Situra RedLINE Expansion Joint can be installed in variety of roofing and waterproofing membrane systems including Siplast's hot-mopped Modified Bitumen, Hot Rubberized Asphalt, and RGC-accepted Liquid Applied Membrane Systems. Note G indicates a thicker material.

The numbers indicate the gap size bridged by the joint:

  • RedLINE 20
  • RedLINE 20G
  • RedLINE 40
  • RedLINE 40G
  • RedLINE 100
  • RedLINE 240
  • RedLINE 204-1600
  • RedLINE 240-2400
The Situra RedLINE Expansion Joint is fully warrantied by Siplast, Inc. when installed with their membranes. it is also fully covered by the RoofStar Guarantee Program for use with Siplast, Inc. SBS-modified bitumen membranes.
Conditions and Limitations
Refer to Part 10 of the RGC Standards.
Technical Data Sheet
Click the "PDF" icon to open the TDS in a new window.
Technical Data Sheet


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