Finishing partially finished basement -exterior walls and insulation.
2/20/2021 at 9:34:55 PM
I am finishing my partially finished basement in Ontario. The walls currently have black paper on foundation walls then a 2 x3 studded wall 1 away from foundation, 24 on centre, with R12 batt insulation in between and vapour barrier . Can I keep the existing walls as is and drywall them? I have applied for a permit but there was no information about This in the application package. I understand that removing everything and starting fresh with 2x6 framing and R20 insulation is best practice but I need to finish the space on a minimal budget (5kids in University LOL) thanks for you help !!
2/21/2021 at 8:50:47 AM
Hi Tracy if you have a permit for this project, insulation and vapour barrier is usually a phase of inspection. I'd take pics and forward them to your inspector to see if it's ok.
2/21/2021 at 10:55:20 AM
R 12 is plenty of insulation onbasement wall but you could add a 2x2 on every stud to allow air space be hind the insulation
2/21/2021 at 12:36:54 PM
Hi Tracey,
This is the link to understand some of the options to correctly insulate your basement.
https://ens-efficiency-ns-prod-offload-647701102377-ca-central-1.s3.ca-central-1.amazonaws.com/wp-content/uploads/2021/01/13182334/Keeping-the-Heat-In_e-.pdf
If unsure call the building department for your city.
Cheers
Dave
360renos.ca
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