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Video/Podcast

Updates to RD-1 Performance Standard for Retrofit Drains

By Lindsay Lewis
April 20, 2025

I was recently joined by Chadwick Collins, SPRI’s Technical Director, to tell us all about what SPRI’s been doing behind the scenes.

Building Enclosure Podcasts

Updates to RD-1 Performance Standard for Retrofit Drains

Chadwick Collins, SPRI’s Technical Director, tells us all about what SPRI’s been working on behind the scenes and some new updates, including the 2025 revision of the RD-1 standard, formally titled ANSI/SPRI RD-1 Performance Standard for Retrofit Drains.

Your browser does not support the audio element.

Watch and listen in as Chadwick talks about their annual meeting that happened in January, and a new update they’re working on.

SPRI announced the release of the 2025 revision of the RD-1 standard, formally titled ANSI/SPRI RD-1 Performance Standard for Retrofit Drains.

The updated document introduces several key changes designed to enhance clarity, improve testing methodologies, and expand practical guidance for users.

Check out the latest with SPRI!

KEYWORDS: ANSI (American National Standards Institute) building codes drainage IIBEC (International Institute of Building Enclosure Consultants) podcast retrofitting single-ply roofing SPRI (Single Ply Roofing Industry) technical resource video

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Lindsaylewis

Lindsay Lewis is the Editor for Building Enclosure magazine. She has been with the publication since 2013 and is a graduate of Central Michigan University. She can be reached at lewisl@bnpmedia.com.

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