Insulating old walls / Discussions

For home renovation, is it better to install insulation on the inside or outside?

...walls are a very thick plaster board (maybe 1" or more thick). I want to take the walls down to the studs and insulate. There is family debate about taking the ...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

How do you remove moisture and condensation from basement walls?

...old home and have a smell coming from the basement. We had a mold inspector test and look everywhere and found no issues. We took down our insulated wall panels...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...walls, taping best able around mechanicals and piers - and adherred to the skim of mortar under the rim. Questions: 1) do you think an interior french drain t...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...old timber of its 3 layers of siding and re-insulating and leak-sealing the exposed cavities from the outside. I will be re-sheathing it, and double strapping i...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

How do you install rigid insulation to the outside of a brick house"

...Insulating an old brick house from the interior or exterior and adding a vapour barrier are two different things, so let’s address them separately. And since yo...

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

Basement reno - How do I effectively insulate my basement?

...walls? Also, will there be an issue with thermal bridging or vapour with having one insulation system (old) adjacent to another (new) and only separated by wo...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...oldy? How to Fix & Prevent Mold in Homes If you leave an air gap then you’re at significant risk of there being an air convection behind the insulation which ...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...insulating the exterior of old homes to improve energy-efficiency you need to be careful not to trap moisture inside walls. What you read about installing a pol...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

How do you fix moisture problems in basement?

...walls . That way you keep your stud wall dry and don’t have to go through this again in the future. And a question – what is your climate zone ? Insulating ol...

Posted by John rodrigues Nov. 27, 2020, 8:50 a.m. Basements improvements 3 Responses

How do you fix high humidity levels in a basement?

...walls in the basement to reduce humidity and coldness in my home. Frankly, I am not sure whom to trust anymore, therefore, your guidance would be greatly apprec...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...older spruce and spruce trees. Since we have lived here, during the winter months the house is cold during windy days. On those days the back wall is cold. You ...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

What is the best way to renovate a basement after a flood?

...walls was left in place, but protected with Blueskin tape. We now have to finish the walls and seal or otherwise treat the concrete floor. I understand now th...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses