Update – Horace Presentation – 22-05-2022

January 8, 2026 by Michel Desgranges T.P.
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 industry.

ARE WHITE ROOFS REALLY EFFECTIVE?

December 17, 2025 by Michel Desgranges T.P.
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

April 7, 2025 by Michel Desgranges T.P.
1-REFERENCE LIST & MORE-2026
2-THE LOW-SLOPE ROOFING LIST & MORE-2026
3-THE STEEP SLOPE ROOFING LIST-2026
4-SUSTAINABLE REFERENCE LIST-2026
5-SUSTAINABLE MATERIALS LIST-2026

Application of the standard CSA A123.21 for your projects

March 22, 2016 by Michel Desgranges T.P.
Now that the standard has become a by-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 assessment.