ICF walls / Discussions

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

...ICF walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil below If you are looking ...

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

Could we use a raft slab with ICF walls on a sloped site?

...ICF walls and then backfill it and you’re done. It’s not always easy to find an independent engineer that will design a raft slab, so I would suggest you contac...

Posted by Paul Fischer Sept. 15, 2020, 2:21 p.m. Slab on Grade 1 Responses

What is a thermal break solution at a door threshold?

...ICF blocks serving as a frost wall. Our exterior above grade walls will also be ICF with the addition of 3.5" of EPS panels on the exterior. We will have a conc...

Posted by Shaun B Sept. 13, 2020, 6:31 a.m. Slab on Grade 2 Responses

Can you install electric wire in floor heat cables and cork flooring?

I live in Nova scotia and doing a new build, I have a 6ft high ICF frost wall with 4 inches of rigid insulation giving me R20 laid over the vapour barrier, the...

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 2 Responses

Is hydronic slab heat appropriate in a super insulated home?

...ICF walls and an appropriate level of insulation in the roof and slab. I'm taking inspiration from Passive House but not pursuing the official certification. We...

Posted by Andrew Wright Feb. 3, 2021, 3:26 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

Should I replace my geothermal system with a gas boiler?

...ICF walls basement to roof, infloor heating in basement, geothermal heating (closed loop, 6 wells 200 ft deep), triple E argon windows, R50 attic insulation, et...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

Are Insulated Concrete Forms and Gigacrete panels good?

...ICF and Passive house, I would suggest having a look at ThermalWall, a rigid insulation panel designed to attach to ICF blocks (above or below grade) that can h...

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

What is your experience and thoughts on pre-fab wall assemblies?

I'm evaluating several wall construction methods like ICF, Double stud wall, and pre-built wall assemblies. What can you tell me about your experience with pre...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Have you heard of Gigacrete and is it any good?

Do you have any reviews or suggestions for Gigacrete homes? They seem eco-friendly with a tight building envelope. There's just not much info out there. Hi Sas...

Posted by Sasha P Aug. 29, 2019, 4:21 p.m. Wall assemblies - new construction 3 Responses

What is the best way to build a slab foundation on a slope?

...walls from each higher slab to the one below. Thanks, Keri There are many ways to build a slab on grade foundation on sloped building lots , but doing three s...

Posted by keri gelenian Nov. 23, 2020, 6:32 p.m. Foundation choices 2 Responses

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

...ICF advocates (insulated concrete forms) that would argue in favour of basements, including bottom to top ICF walls; those builders would argue there isn’t a gr...

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

What do you think of Legalett Wall Insulation?

...ICF basements but they are perfect for exterior Insulation These are panels that come in 4x8 sheets up to 8 inches thick with a metal rail in the middle to secu...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses

What is the most efficient passive home design?

...ICF, even if their heating bills were identical to the penny. Material selection is very important! Thanks for the question.

Posted by Peter Riley Jan. 29, 2020, 9:01 p.m. Passive House 1 Responses

Where do you install a weeping tile with a high water table?

...ICF walls are formed on top. This will actually lead to a far superior slab in terms of energy performance and home durability along with possibly alleviating s...

Posted by Alex Kesheshian June 11, 2020, 11:54 p.m. Foundations and Basements 3 Responses

How do you create a slab on grade on a slope?

...walls, as I understand it. I have not talked to a soil engineer, nor do we have plans drawn up, yet. Thankyou! Hi Adrienne, thanks for the extra info, Havin...

Posted by Adrienne Rayna June 30, 2020, 3:58 p.m. New foundations and slab-on-grade 3 Responses