Building science / Guides

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...Building advice , see our Green Home Building guide pages to learn more about easy energy efficient home improvements , how to properly insulate an attic , When to replace old windows and when to repair them , How to choose the best windows and everything else you need to know about planning a renovation or new buildin...

Choosing between OSB or Plywood for house sheathing for Roofs, Walls & Floors.
Wood and organic materials

Which is better, OSB or Plywood for Roofs, Walls & Floors?

...building industry experts that we have read and spoken with, is that OSB has a perm rating of 2 and plywood has a perm rating of 10 . Those are the perm ratings you will find on many building information websites , though it conflicts with what is found in section 9.25.2.1 of the Canadian National Building Code, whic...