Originally Posted By: John Fitzgerald
Originally Posted By: DonoBBD
Originally Posted By: John Fitzgerald
We couldn't get R70 in our attic if we filled it up completely to the peaks with cellulose. R35 in the walls? How? 8-inches of foam?


All exterior wall in Ontario have to be 2X6 deep with R25 batts and 2"s of foam on the outside of the walls. Then they are wrapped with typar. Every hole that passes through the exterior wall needs to be on the house plan. If there is a hole put through the wall after the home is bricked that is not on the plan they will make you take the brick off to show them it is sealed properly.

If you do not want the 2"s of foam on the out side of the wall they are framing the outside walls with 2X8. Yest jamb extensions are getting big up here.


Wow, that makes building expensive. Do old houses have to be retrofitted and brought up to code before they can be sold?




Yes after the new building codes were in full effect the average single family home went up $20,000 Canadian.

Our government has a save on energy grants that they will give you money to update your home if you are renovating it. If you need a new furnace that is mid efficiency they will pay $850 of the cost of the new one.

https://www.saveonenergy.ca/

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