How much insulation does a basement need / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...ating 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 made th...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...assive solar slab-on-grade construction Slab-on-Grade Construction is best if: Slab on grade polished concrete floor © Bala Structures A slab floor is a fantastic way to start a passive solar home , as your entire floor surface consists of several inches of thermal mass to absorb heat. A slab is a great place...

Real estate

Evaluating a home before purchase: how to recognize value and potential problems

...any upgrades were done; basements are almost always built poorly and will likely have a much shorter lifespan than above-grade walls. Sometimes walls in mechanical areas aren't finished so see if there is any place you can get a look at what might be going on behind the drywall. Learn about durable basement constructio...

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

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

...an even and total protection. SPUF has a high R value per inch, acts as an air barrier and a vapour barrier. However, it has been known to shrink after application, leaving air gaps and a lack of thermal protection. Another downside to the original SPUF is that some blowing agents have a high global warming potential...

Radiant floor heat in a bathroom
Delivery: radiant, forced-air and decentralized

DIY radiant floor installation

...at is simply because floors are chronically under-insulated and any addition to that can be a foreign concept to lot of builders. Having a heated floor is not an argument against greater insulation, it is actually the opposite. You wouldn't say "I don't need to insulate my roof much, because I'll be heating the air i...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...a foundation wall. Slab floors also easily accommodate radiant floor heating, which offers a very balanced and comfortable environment, transforming the concrete mass into one big radiator. One of the great advantages of radiant floor heat is that the further you get from anything radiating heat (imagine a woodstov...

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

Basement renovations: How to prevent mold when finishing basements

...an even and total protection. SPUF has a high R value per inch, acts as an air barrier and a vapour barrier. However, it has been known to shrink after application, leaving air gaps and a lack of thermal protection. Another downside to the original SPUF is that some blowing agents have a high global warming potential...

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

...does not hold moisture, so it makes an excellent base. Sand works as well; it takes a layer of about 4 to 6 inches to be safe. As mentioned above, a slab on grade is not at any greater risk of frost heave than a basement, full stop. Read more here – Choosing between a slab on grade and a basement . You can build a ba...

What is a Free Home Energy Audit Canada?
Grants and incentives

Free home energy audits in Canada

...Audit is , learn about What Renovations add the most value and What Homebuyers are Looking for and what Green Home Renovation Tax Credits and Incentives are available to help you pay for those! And don’t forget commuting - there are Electric Vehicle Rebates as well as Solar Panels Financing from Tesla . Learn all about...

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...alifies as a vapour barrier at 1 inch, and testing shows that EPS foam acts as a vapour barrier (1 perm) at 2 inches or thicker. Rock wool insulation batts on basement walls © Ecohome Rock wool (mineral wool) boards are an alternative product you can use and they are made from recycled stone dust, so it does no...

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

...a great time to highlight a few alternatives. Standard residential home construction in most colder climates now involves 2x6s and fiberglass insulation batts. The reasoning behind that is less about snow loads and structural integrity, as much as it is about creating a deeper cavity to accommodate thicker insulation...