Exterior Walls / Discussions

How do I get rid of carpenter ants?

...exterior cladding, and seal any cracks. • Caulk around doors and windows to block their entry points and prevent air leakage. Install mosquito nets at any ope...

Posted by Shawn B Nov. 14, 2017, 10:27 a.m. Pest control 1 Responses

Can you insulate an existing slab on grade floor?

...exterior walls by insulating the ground. As for aesthetics, you’d need to dig gown a foot or so to lay the insulation and be able to cover it again with 6 to 8 ...

Posted by Patrick Berkeley Dec. 31, 2020, 10:14 p.m. Foundation and basement improvements 5 Responses

How do you replace windows in a double stud wall house?

...walls is the supporting wall, but you should see that by the location of the existing header. Sometimes a double wall system will have a 2x6 supporting wall wit...

Posted by Sasha June 25, 2018, 10:25 p.m. Windows and doors 3 Responses

Is it not structurally dangerous to smash a concrete floor for a drain?

...walls to prevent flood damage. That is a suggestion we make for cases where there is a history of or risk of flooding and no exterior drain or water protection....

Posted by t b March 2, 2021, 3:18 p.m. Waterproofing and drainage 2 Responses

Why is there frost on the underside of my roof overhang?

...exterior walls. Small focused air leaks transport a lot of H20.

Posted by George Paul March 23, 2020, 12:10 p.m. Roof assemblies - renovation 3 Responses

Where is the correct vapor barrier location in Chicago?

I live in a 1970's era raised ranch in the metro Chicago area. The foundation walls raise 4.5 feet above grade. The floor joists on top of the wall extend out ...

Posted by Joel Peerson Jan. 31, 2021, 7:31 p.m. Air and vapour barriers 2 Responses

Can a manufactured home be retrofitted with hempcrete?

I have a 14 foot wide by 70 foot long single wide mobile home. It has a 12 ft by 12 ft add on. The home has sheet rock with 1/2 inch stucco on the walls and ce...

Posted by Chryss James Nov. 19, 2020, 9:06 p.m. Wall assemblies - renovation 1 Responses

How do you improve an old block foundation with no insulation or exterior moisture barrier?

...walls 30-32" above grade which slopes down and away from foundation/wall intersect. Basement walls parged and painted with mold resistant paint; floor painted. ...

Posted by Wilhelmina Lange March 11, 2021, 4:19 p.m. 2 Responses

Can you spray foam a house from the outside?

...walls? What are the risks for vapour build up if we have a mix of plaster and lathe in the older parts of the house, with fiberglass and interior vapour barrier...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...walls the same way they build above grade walls, without realizing that they can’t dry to the outside. So putting organic materials like wood against a wet co...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 Responses

How do you remove moisture and condensation from basement walls?

...exterior walls . As for your last question, yes, unfortunately the only way to fix it that we can think of is to remove it and do it properly. If you do that ...

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

Are Insulated Concrete Forms and Gigacrete panels good?

...walls and experienced none of the shattering problems you cite. A crew of five experienced masonry workers put up the walls in about 6 weeks. We lived in the ho...

Posted by Dallin Sumpter Feb. 21, 2019, 2:46 a.m. Wall assemblies - new construction 5 Responses

Is there anything I can do about a vapor barrier on the wrong side of a basement wall?

...walls – Why basement walls go moldy and how to build basement walls that will stay dry At this point it sounds like the damage is done, but you may be able ...

Posted by Iain B Feb. 8, 2021, 2:21 p.m. Basements improvements 7 Responses

My basement is smelly and humid, what can I do about that?

...walls, probably by capillarity, which creates an efflorescence (white stains) on your walls. That occurs when water around an unprotected foundation saturates t...

Posted by Jeff O. Feb. 8, 2017, 10:22 a.m. Foundation and basement improvements 3 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...walls and found the concrete foundation walls and insulation were soaked. Water was literally running down the walls. No signs of humidity anywhere else in the ...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 23 Responses

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

...Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well built. no sagging parts...

Posted by Roger Smith Nov. 12, 2019, 6:34 a.m. Wall assemblies - renovation 7 Responses

How do I insulate my half below grade basement?

...exterior insulation, I'm guessing no exterior sealing. But dry dry dry inside. I like the idea of the 2" XPS with 4" studs and roxul insulation to give around...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

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

...walls and the crack was so small that nothing comes through. Sorry for the rambling but I wanted to give you as much information as possible. Thanks for any hel...

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