Magazine for professional home renovators.

Window R values. What’s the truth?

Posted by
Rob Koci is the publisher of Canadian Contractor magazine. 647 407 0754
1 comment on this postSubmit yours
  1. Good point. Maybe airtightness should also be pointed out. Do Canadian manufacturers test for air tightness ever?

1 pingback on this post
Submit your comment

Comments posted here, may also appear in the print version of Canadian Contractor Magazine.

Please enter your name

Your name is required

Please enter a valid email address

An email address is required

Please enter your message