Outside / Discussions

...outside). I guess this will spray to the back of our interior drywall. I have no idea if we have an existing vapor barrier behind our drywall but doubt it - this is an older wood framed bungalow. In addition, i dont expect our interior drywall forms a very great air barrier either - we have the usual holes from outlets...

...outside to improve energy efficiency. A lot of Toronto homes are fairly close together and sometimes there is simply not enough room to add insulation to the outside and not infringe on setbacks from neighbours. The thing about adding insulation to the outside, is that you are going to incur costs for labour no matter ...