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Foundations, Basements & Slab-on-Grade

When renovating or building a new home in the US or Canada with a Basement or a Slab on Grade, in the EcoHome Foundation & Basement guide section you will find the basics on foundation, basement & slab design, under slab insulation, site selection & preparation, excavation, drainage & radon gas prevention and mitigation

  • 1 - 18 of 220 Posts

How do you run ducts for heating and cooling with slab on grade construction?

Posted by Kurt Piemonte April 24, 2025 Slab on Grade 1 response

Can you insulate a cinder block basement/crawl space from the interior?

Posted by P Mci April 14, 2025 Crawl spaces 1 response

Can I connect a new slab addition to an existing (engineered) slab on grade?

Posted by Corey Porteous April 9, 2025 Slab on Grade 1 response

What are the best below grade drainage layers for a slab on grade foundation?

Posted by stephan prystanski April 7, 2025 Slab on Grade 1 response

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ISORAD V2 R10-R15 | Radiant under slab rigid insulation
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Expanded Polystyrene

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Fortefy Geofoam
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Opel Plus wood burning fireplaces
By ICC Industrial Chimney Company Inc.

Wood burning stoves and fireplaces

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ICF Bracing System
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Insulated Concrete Forms (ICF) - R22
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Element ICF standard block
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Extrutech Form Panels
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Heatlok Soya HFO – Under Slab / Radon Protection
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GEO-Slab insulated Frost Protected Shallow Foundation Forms by Legalett
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StormBrixx
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5-25
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Prometheus Bio-Concrete CMU
By Prometheus Materials Inc.

What is the best insulation for basement walls?

Posted by Paul D March 28, 2025 Basements improvements 1 response

What's the ideal concrete thickness for concrete slab floors?

Posted by Abdulkadir Al-Jazari March 28, 2025 Basements

What is the proper way to build a Slab on Grade Foundation?

Posted by John Schureman March 25, 2025 Slab on Grade 3 responses

Will foundation wall be strong enough surrounded by gravel?

Posted by Antonia Bellini March 16, 2025 Waterproofing and drainage 1 response

Crawl space versus slab, which is better?

Posted by Doug Bennett Jan. 5, 2025 Foundation and basement improvements 1 response

Does radon gas have an odor?

Posted by Linda Chisholm Nov. 6, 2024 Radon in Homes - Mitigation 1 response

What is the best way to combine insulation on the inside and outside of my crawl space?

Posted by Maury Miloff Nov. 6, 2024 Crawl spaces 1 response

What should I put on concrete basement walls instead of vapor barrier?

Posted by Lauren Brooks Oct. 25, 2024 Foundations and Basements 1 response

Why is my basement so humid and what can I do to fix it?

Posted by Roy Steinbrecher April 29, 2024 Foundation and basement improvements 1 response

What is the best insulation for basement concrete walls?

Posted by Peter Woll Dec. 11, 2023 Foundation and basement improvements 1 response

What type of insulation should I use between basement floor joists?

Posted by Ninja Ho Aug. 2, 2023 Basements improvements 3 responses

How to finish a basement if there is moisture on the concrete walls?

Posted by HaveyGameCalls April 25, 2023 Basements improvements 1 response

How do I get water out of basement?

Posted by Travis Sattler April 25, 2023 Waterproofing and drainage 1 response

How long should you wait before finishing a new basement?

Posted by amanda kirkham April 24, 2023 Basements improvements 1 response
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About

Foundations and Basements

Building science for foundations and slab on grade options are explained, for example raft slabs as a frost-protected shallow foundation. EcoHome helps readers understand the issues that affect energy efficiency, moisture management, slab on grade forming techniques, how to choose between a crawlspace or a slab foundation and radon control and removal so you can build more efficient Green homes and better insulated crawlspaces that will last a lifetime.

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