Insulating concrete slab floors / Guides

Slab on grade for a Passive Solar LEED Home insulated by Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...Insulating below slab-on-grade foundations Why insulate under a slab on grade foundation? For comfort, and to save money, that's why! In many areas Building Code has fallen behind common sense on what specification of insulation to use under a slab , It is common to install as little as R5 insulation below slab floor...

Slab-on-grade for Ecohome's upcoming video building guide
Slab on Grade

how to build a slab-on-grade on standard soil

...concrete. So we chose a concrete mix that included 50% recycled material, which significantly lowers the total emissions of our build, and brings in some LEED points as well. Recycled concrete polished slab © Ecohome There is an often overlooked advantage when you choose a slab over a basement - concrete is ver...

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...slab images courtesy of Legalett . Compacting gravel for under a raft foundation Insulated slab forming systems Corner detail for insulated slab forming system Skirt detail for frost protected shallow foundation slab forms Rebar detailing for slab foundations Slab-on-grade floors are oft...

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

Should I Build on a Slab on Grade Foundation or a Crawl Space?

...concrete into it. So, there are more materials, more stages of construction and more labour with a crawlspace than a slab. Passive House slab on grade form kit ready to pour concrete © Ecohome The draw backs of building on a slab on grade: Building your home on a slab on grade means you will have no basemen...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...concrete wall. Inside of the concrete wall is another layer of 4" EPS foam, with the polyethylene barrier to the inside. The final layer is strapping covered by drywall. This total assembly measures R-26. Underneath the basement concrete slab is 4" inches of EPS rigid foam giving R-16. A couple other finishing detail...

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build

...concrete balconies – like those jutting out of most condos that siphon heat out of the floors all winter long. A super-duper heat recovery ventilator is necessary to bring in fresh air while minimizing heat loss. And finally, the structure’s surface-area-to-volume ratio needs to be minimized. None of this involves sp...