Slab / Discussions

Can you replace an old slab foundation with an air heated slab?

...slab on grade house and pour a new slab under it, unless of course I’m missing something here. The raft slab insulated slab on grade kit with the air heated rad...

Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 1 Responses

How do you finish the exterior of slab on grade?

I am looking at your example of a slab on grade construction technique and wondering how you finish the exterior of the footing insulation once the forms are r...

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

Why do you say building on a slab is more ecological than starting with a basement?

...slab floor, offering a reliable very comfortable heat source. Cost savings: A slab foundation can be a cheaper way to build because a slab requires less wor...

Posted by Geri P Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

Are slab on grade foundations cheaper than a basement?

...slab on grade over a basement almost every time, and in most cases yes, a slab is cheaper in our experience. But that is partly due to the way we build, where w...

Posted by Jason Nov. 21, 2019, 4:12 p.m. New foundations and slab-on-grade 1 Responses

Can you install tubing under a slab on grade foundation to extract heat in winter?

...slab slab on grade foundation to extract winter heat We generally recommend people check with an engineer for any such matters, but that shouldn't be a problem ...

Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 Responses

Can you help me choose between a slab on grade and pressure treated wood foundation?

...slab on grade is an alternative to a basement, PWF or concrete, so I'm not sure where you're being advised to mix a PWF and a slab on grade, or how to even do t...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

Can you elevate a slab on grade foundation?

...slab under construction with 14 inches of seamless insulation on the exterior and 12 inches below the slab. Note where the doorway is in the front of the image ...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 1 Responses

What are the options for radiant heat with a slab on grade?

What are the advantages and disadvantages for using a product such as Warmboard as an alternative to a radiant heating system that is built directly into the s...

Posted by August Wehrmann Feb. 3, 2019, 6:52 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

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

...slab. What do you think? A Slab on Grade needs to be built correctly, but no, Insulation under a slab floor will not make it less stable. To me that sounds like...

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

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

I'm looking to buy a house build on a slab-on-grade . What should I be looking for in terms of insulation? Thanks, Terry Where is the house, and do you know ho...

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

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

...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 o...

Posted by Ronaldo Johnitas Dec. 10, 2019, 6:12 a.m. Slab on Grade 4 Responses

What is the best way to build a slab on grade on bedrock?

...slab on grade form kit. You have other option to raft construction.check iso-slab is structural insulated slab kit,cheaper and easiest option to raft kit.

Posted by peter owen Oct. 31, 2019, 3:33 p.m. Slab on Grade 1 Responses

Slab on Grade for House in Grand Rapids MI - Can I get Prefab form kits & Assistance easily?

...slab section, ideally with your hot air radiant heat system, would be about 1000 square feet. There is only one manufacturer of slab on grade form kits with air...

Posted by Greg Hooks Nov. 20, 2019, 3:35 p.m. Slab on Grade 1 Responses

What Should You Look For When Buying a Slab on Grade Home?

...Slab on Grade or Foundation and Basement; Which is Best? Reading that page will give you a better idea of what to look for in a slab. And the first question i...

Posted by Mike Molloy Nov. 6, 2019, 7:29 p.m. Slab on Grade 1 Responses

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

...slabs for your interest. Don’t hesitate to write back with more concerns, we love slabs and are happy to keep the discussion going. Best practices for insul...

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

What is the optimal setup for mechanical systems for slab on grade?

...slab on grade home. I definitely want a hydronic in floor heat system, along with a heat pump. With the absence of central ductwork, where do I put the ERV? Wou...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...slab on grade foundation for our new cabin in Montana and I've decided to sit it on a 4" EPS foam insulation so the slab will retain some passive solar heat fro...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

How well do Legalett slab on grades work?

...slab using Legalett ICF slab forms. 2) How are those issues usually addressed? What issues?! :) 3) What is the long term track record of Legalett slabs? ...

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