Frost / Discussions

Have you excavated under one of your slabs middle of winter?

...frost heave  -  All About Frost Heave Prevention in Cold Climates Our last slab was built on a Legalett frost protected slab on grade, and Legalett has installed them all across North America and into the far north and after decades in business they have never had a single structural failure. And if you are asking for ...

Posted by Mike Kolder Jan. 31, 2021 Slab on Grade 1 response

Can you add a screen/sun room and deck to a slab on grade?

Building a 26x32 cabin on a heated slab on grade and want to add a  12x12 extension as a screened room. The plan is to have the extension and roof attached to the cabin. Can I extend the concrete slab for this extension and not have it heated? Concerned that the concrete will fail on the extension as the heated slab wi...

Posted by Pierre Contant July 1, 2020 Slab on Grade 2 responses

How do you choose between a basement or slab on grade?

Hi, my apologies if this question has already been answered or has any glaring misconceptions.  I've only recently begun my journey into building my first home and am just starting to plan my layout.  I thought to copy the old bank barn style and have my house built into a north facing hill.  The main floor is accessed...

Posted by A. Delmas May 21, 2020 Foundation choices 1 response

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

...frost build up. However another contractor has told me that you need moisture for frost to occur and that the lights themselves would not cause this. I'm not so sure about that and have had conflicting answers in that regard. Any opinions on this would be greatly appreciated. Thank you.  You need moisture for frost to ...

Posted by George Paul March 23, 2020 Roof assemblies - renovation 3 responses

What's the difference between a slab on grade and a monolithic foundation?

...frost protected shallow foundation foam forms to get a quote for an addition in Michigan and keep reading about slab on grade and monolithic foundation styrofoam forms - is there a difference or are they the same thing?  A slab on grade literally means a slab of concrete on grade (ground level), as opposed to ‘below gr...

Posted by Ronaldo Johnitas Dec. 10, 2019 Slab on Grade 4 responses