Airtightness Water Resistance and Wind Load Resistance

Windows in Canada are expected to conform to the CSA standard, CAN/CSA-A440-M, Windows. The standard includes a window classification system that rates windows according to their airtightness, water resistance and wind load resistance characteristics. Normally, the ratings achieved by each window are marked on the window. Windows installed In houses should be identified as meeting the Ai (airtightness), Bi(water resistance), and Ci (wind load resistance) ratings of the CSA standard.

Boating Secrets Uncovered

Boating Secrets Uncovered

If you're wanting to learn about boating. Then this may be the most important letter you'll ever read! You Are Going To Get An In-Depth Look At One Of The Most Remarkable Boating Guides There Is Available On The Market Today. It doesn't matter if you are just for the first time looking into going boating, this boating guide will get you on the right track to a fun filled experience.

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