Construction / Discussions

What is the latest on phase change building materials?

Based on research for a plan to commercialize a new salt hydrogel with lower cost, higher efficiency, it appears th market is stalled with applications limited to niches.  I'm not selling anything, but I am looking for insight.   Jon Tirpak, PE Phase change building materials are a fantastic way to regulate heat in a h...

Posted by Jon Tirpak July 9, 2025 Materials and resources 1 response

Where can I donate all my construction tools/supplies?

...construction and looking to donate. Habitat don't serve my area. Any suggestion, please! That is a very generous thing to so, a tip of our collective hats to you. To be honest I’m not sure, but it shouldn’t be hard to find a home. Thoughts that come to mind would be –  local schools, boys and girls clubs, community cen...

Posted by Sam Djam Nov. 30, 2020 Recycled and Reclaimed Materials 1 response

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

...construction walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil below. This is one of the problems with building ICF on a traditional concrete strip foundation. Is there any way to stop this advantage for ICF construction from literally flo...

Posted by Walter van den Broek Sept. 18, 2020 Foundation choices 1 response

In ICF Construction, what is a good thermal break solution at a door threshold?

...construction with the addition of 3.5" of EPS panels on the exterior.  We will have a concrete slab floor.  What is the best method to support very heavy sliding doors and eliminate thermal bridging when building with ICF?  I really like the Legalett Thermasill product, but it looks to have a proprietary design that on...

Posted by Shaun B Sept. 13, 2020 Slab on Grade 3 responses

With an ICF built frost wall can you install electric wire in floor heat cables and cork flooring?

...construction? Now that the homeowners have lived with it for 5 years would they change anything about the flooring and will the ICF blocks on my build give any advantages compared to Edelweiss? The type of heat source is less important than the temperature you will run the floor at and the type of flooring. A well-insu...

Posted by C Whitby Aug. 7, 2020 Flooring and stairs 3 responses

Do ICFs have a reliable history for home construction?

...construction. We know nothing about the history of ICF construction or whether it's a good idea. Our winters are cold as we are high up and the site is west facing on the basement window side - do ICFs have any particular problems for basement walls? Is Insulating Concrete Forms construction a new thing or do they have...

Posted by Les Poldark Dec. 6, 2021 Foundations and Basements 1 response

What type of insulation should I put on the exterior of my new home?

Building a new raised bungalow in Ontario. 2x6 framed walls with r22 batt insulation and vapour barrier on the inside and just house wrap on the outside was what the original plans called for but I see many new homes wrapping the exterior with rigid insulation, benefits worth the cost? Any specific product recommendati...

Posted by Alex Kesheshian April 23, 2020 Wall assemblies - new construction 1 response

Compared to pre-fab wall assemblies - how does ICF Construction fare?

...construction methods like ICF blocks, Double stud walls, and pre-built wall assemblies.  What can you tell me about your experience with ICF construction compared to pre-fab wall assemblies? Are there Prefab companies in Ontario/Quebec who recommend siting homes on an ICF basement for example? Thanks Shaun We really qu...

Posted by Shaun B Nov. 12, 2019 Wall assemblies - new construction 2 responses