Central Roof Reference

Your CSA A123.21 standard reference portal

Update – Horace Presentation – 22-05-2022

    Hi All, Let me introduce myself, my name is Horace. I’ll be present from time to time on this platform to give you tips, tricks, advice and procedures to put forward in your project to allow you to determine, in this jungle that is the roofing indu …

ARE WHITE ROOFS REALLY EFFECTIVE?

White roofs are one of the latest trends in energy efficiency. They are installed in residential, commercial, industrial, and institutional buildings, in both the United States and Canada. Over the past 15 years, white or reflective roofs have become v …

Liste de Darrel

5-SUSTAINABLE MATERIALS LIST-2025 4-SUSTAINABLE REFERENCE LIST-2025 3-THE STEEP SLOPE ROOFING LIST-2025-1 2-THE LOW-SLOPE ROOFING LIST & MORE-2025 1-REFERENCE LIST & MORE-2025

Application of the standard CSA A123.21 for your projects

Now that the standard has become bi-law in some Canadian provinces, and that many different interpretations are conveyed for the purpose of commercialization of waterproofing systems. It is essential to be able to obtain, quickly and accurately, an ass …


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