TECHNICAL BULLETIN NO. 2025_IIC-04: UPDATE ON RECENT ACTIVITY BY ASTM ROOFING & WATERPROOFING GROUPS

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Fall 2025

To: WSRCA Members 

From: WSRCA Industry Issues Committee

This bulletin is an update on recent activity by American Society for Testing and Materials (ASTM) Roofing and Waterproofing D08 Committee. The ASTM Committee D08 meetings were held in June in Toronto, Canada. The attached spreadsheet summarizes the ongoing status in the development of the noted standards and accompanying draft documents. Of note (and as further explained in the attached spreadsheet) there were lengthy discussions regarding the following proposed standards:

D8109-17(2024) Standard Guide for Waterproofing Repair of Concrete by Chemical Grout Crack Injection

Meeting attendees discussed the following:
• Adopting the shotcrete definition from D8425.
• Per D8425: Shotcrete: Concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface to achieve compaction.
• Adding the following to Section 1. "Scope: 1.2 For interpretation of this guide as it relates to waterproofing repair by chemical grout injection into (shotcrete) walls, refer to Appendix 1."
• Adding Appendix 1 – Waterproofing Repair of Shotcrete by Chemical Grout Injection Nonmandatory Information. A summary of the Appendix draft follows:

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Ken Klein leads the West Coast Building Technology division of Simpson Gumpertz & Heger Inc. He is a graduate of U.C Berkeley’s Civil Engineering program and is a licensed Professional Engineer in California and several western states. Ken has been with SGH for over 35 years and has gained experience in the design and investigation of roofing and waterproofing of commercial, institutional, and residential buildings. Well known in the industry, he has frequently presented to groups of attorneys, contractors, architects, and other design professionals regarding building-envelope design and remediation. He serves as WSRCA Technical Advisor. 

As a part of your  member benefits package  you can schedule a free consultation with Ken . Visit  WSRCA.com for more information!