Insulating basements / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...Insulating a basement is a great idea if it wasn't insulated when built , as before we began insulating foundation walls and below slabs (see slab on grade) , it was generally estimated that basement heat loss accounted for about 1/3 of the total heat loss of a house. It is likely that such an abysmal starting place ma...

How to Fasten Cement Board Facing to slab on grade insulation
Slab on Grade

Finishing the exterior of an insulated slab-on-grade floor

WATCH MORE sustainable building VIDEOS Once a decision has been made to choose between a crawlspace or a slab foundation , you need to know how to finish the edge off durably. Typically the exterior edge of a slab on grade is made of EPS foam and can be parged. Having used rigid Rockwool panels meant we needed a...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...basements . CLICK IMAGE TO ENLARGE Exterior insulation only: fiber cement board and parging above grade 4 inches EPS foam drainage matt bituminous damp proofing. Best practices for new basement construction: Ideal performance and durability is achieved by insulating both the ...

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 floo...

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...insulating basements listed below that work well in the battle against moldy basements. EPS (Expanded Polystyrene), XPS (Extruded Polystyrene), Mineral wool: SPUF is quite expensive; so rigid insulation panels and a 2x4 wall with batt insulation can be a much more affordable option - but you need to know the right ...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...insulating basements listed below that work well in the battle against moldy basements. EPS (Expanded Polystyrene), XPS (Extruded Polystyrene), Mineral wool: SPUF is quite expensive; so rigid insulation panels and a 2x4 wall with batt insulation can be a much more affordable option - but you need to know the right ...

Frost Heave Prevention Helps Stop Frost Heaving Breaking up Home Foundations
New foundations and slab-on-grade

What causes Frost Heave? Preventing frost heaving is down to good foundation design

...basements: how to insulate your basement properly Preventing mold when insulating basements Crawl Space Insulation Tips for Insulating Crawlspaces Properly How much insulation does a basement need? Are Better Insulated Homes Worth the Money? Find more about green home construction in the Ecohome Green Buildin...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...basements altogether and choosing to build a slab-on-grade instead. Concrete foundations - pros & cons: For a modest sized home, a concrete foundation will cost you easily between $20,000 and $30,000 . Factor in a subfloor and finished flooring, you’ll be lucky to stay under $40,000. Building basements ‘just becaus...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...Basements can also be susceptible to Radon gas infiltration , so to learn how to prevent Radon gas levels being high in homes, see here - or to specifically find out how to remove Radon gas form basements and crawl spaces, see here . Health, durability and comfort: Despite how common finished basements are, there i...

Why basements flood and how to prevent that with a sump pump
Basements improvements

Why Basements Flood & How to Prevent Flooded Basements

...basements is very common and most times can be easily avoided. Why basements flood in the first place is pretty easy to answer – it’s a hole in the ground and the ground is wet! Basements are sometimes below the water table to begin with, but water tables rise during the spring snow melt, and without proper basement dr...

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

...basements: The dedicated HRV system mentioned above is also an option for removing radon gas from unfinished basements, as is sub-slab depressurization. If you have extremely high levels and the HRV isn’t sufficient and you also are not able to do sub-slab depressurization, you can pour an additional concrete slab on...