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Hardie board / Discussions

What is the best way to insulate a 1930s brick house from the outside?

...Hardie siding. Apparently brick is a problem because you need something to fasten the insualtion and siding to and apparently James Hardie siding is heavy I have been told. Rigid foam or Spray foam? I need advice on best practice. Thank you Stephane.Marcotte Toronto Ontario       Insulating a home from the outside is t...

Posted by Stephane Marcotte Sept. 2, 2021 Wall assemblies - renovation 2 responses

Can you spray foam a house from the outside?

...Hardie Board, and want to improve the insulation at the same time. Right now there is 1/2" rigid foam with foil directly under the siding. Someone recommended removing the sheathing and doing spray foam from the outside. It seems we could also drill holes and blow spray foam in without removing the sheathing. Now that ...

Posted by Joan Lawrence July 11, 2019 Wall assemblies - renovation 3 responses