Footing / Discussions

How do you prevent moisture from getting into a basement footing?

...footing protection. What is your suggestion about preventing moisture from getting into the concrete wall from footing? thanks! Great question, and yes, moi...

Posted by Frank Liu June 24, 2020, 9:58 a.m. New foundations and slab-on-grade 1 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

Unisulated footing under ICF walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

Where would I go for guidance on structural design of footings that sit on top of high-density insulation?

...footing into the soil, via the insulation layer. DJB It would be a structural engineer you're looking for, and while we have a team here that deal with everythi...

Posted by Douglas Bennion July 31, 2019, 4:34 p.m. Foundations and Basements 1 Responses

How do you finish the exterior of slab on grade?

...footing insulation once the forms are removed, specifically the top of the roxul that would be exposed after building the exterior walls. Just to be clear when ...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...footings but this seems to conflict with the FPSF principle of relying on heat transferring through the footing to stabilize the ground temp. My next thought wa...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What is your opinion about building a garage on posts (screw piles)?

...footing and slab floor (a raft-slab is also an option for softer soils) . The disadvantages of screw pile construction: A floor raised on screw piles leaves...

Posted by Les P Dec. 11, 2017, 2:21 p.m. Foundations and Basements 1 Responses

How should I insulate basement Walls in climate zone 5?

...footing as well, which I doubt. Myself I would prefer to have a membrane against the interior of the concrete wall to prevent the concrete from drying inwards...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

Does insulating a slab on grade make the building less stable?

...footing) It would typically be high-density EPS foam, but a raft slab (which distributes the weight evenly over the entire floor) doesn’t even require high-dens...

Posted by Nicolas Jalbert May 28, 2018, 4:56 p.m. Slab on Grade 1 Responses

What is the best way to insulate a Multi-material wall?

...footing is not. Moisture will forever wick up from the ground to keep the concrete wet. So, adding a ‘vapor barrier’ to the outside of a concrete foundation won...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

Can my shallow crawl space be converted to a slab foundation?

...footings poured and the floor of the crawl space covered in crushed stone. I have high humidity in the house and crawl space (despite the fact that the crawlspa...

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

How do you fix a moisture problem in a finished basement?

...footing was sealed, and being porous, the concrete will continue to wick moisture from the ground. But the biggest problem you have, and that all basements ha...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses

What are your thoughts on using large flax straw bales (4x4) to build in Saskatchewan?

...footings made of concrete. One downside on that front is the bales are 3 times as wide, so you will be using a lot more concrete for the footing than you would ...

Posted by Al Birchard Nov. 11, 2019, 12:56 p.m. Wall assemblies - new construction 3 Responses

Can you elevate a slab on grade foundation?

...footing and frost wall, but those can sometimes be trickier to insulate properly. We recently built a new demonstration house (which is nearing completion) wher...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 3 Responses

Can basement walls to dry to the inside with foam board?

...footing membrane included and I’ve never seen one installed that was at my doing. You an image of what a footing membrane looks like (capillary break) in the fo...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 3 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...footing and frost wall requires a lot more excavation and a lot more concrete, and it's done for the most part to accomplish the same thing that can be done wit...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

How well do Legalett slab on grades work?

...footing, so excavation is much more simple. You need a flat surface on which you build rather than digging trenches or building up to accommodate footings. A fo...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

How do you install a ground loop for an HRV?

...footing drains) to feed pre-heated or pre-cooled air into an HRV. They work well to help reduce heating and cooling costs, however, there are air quality concer...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

What should I look for if I want to buy a slab on grade house?

...footing would be to see if there has been any significant shifting or settling. All concrete will crack, that's just a fact of life, but I would more be looking...

Posted by terry northcott March 25, 2019, 11:02 a.m. Slab on Grade 1 Responses