How to insulation a basement / 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...

Insulating a Slab on grade for a Passive Solar LEED Home with Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...are so accustomed to a house having a basement that the idea of building a slab-on-grade creates an instant sense of fear and doom in many. We assure you this is not new, and it works. The reason we build basements and stay 4 to 5 feet below grade is to avoid frost heave, using dirt to insulate. With a slab-on-grade,...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...ab amounts to R12.6, There is a solid financial argument that can be made for increasing that, particularly with the inclusion of radiant in-floor heat. Thermal image of basement insulation and heat loss © Ecohome Exterior basement insulation is less common, probably due to the fact that it ca...

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

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

...also act as a radon gas barrier to protect indoor air quality, and it will satisfy building inspectors who are not accustomed to seeing a wall without a vapour barrier and may not allow you to continue. Radon gas prevention and remedial insulation in basements © Ecohome Note: the above diagram shows an ideal an...

Balanced insulation levels in a green home
Efficient home design

Insulation in Green Home Building, a balanced approach to putting it where it does the most good

...at down there and not the attic as you might suspect. That is a perfect example of misplaced resources and unbalanced insulation if you have a fluffy R60 blanket in the ceiling but a poorly insulated slab floor. Air leaks are responsible for a surprisingly large amount of heat loss, so plan your air barrier well in t...

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

Basement renovations: How to prevent mold when finishing basements

...also act as a radon gas barrier to protect indoor air quality, and it will satisfy building inspectors who are not accustomed to seeing a wall without a vapour barrier and may not allow you to continue. Radon gas prevention and remedial insulation in basements © Ecohome Note: the above diagram shows an ideal an...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...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 to bury electrical work, plumbing, central vacuum tubes, phone and internet lines, speaker wires, and most importantly, tubing for radiant floor heat . A slab...

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...atures. Since this creates additional floor area underground, it is a natural desire to claim that space, and so born is the basement rec room or man-cave - and it's important to understand how to choose between a crawlspace or a slab foundation too. Whether you start construction with a slab-on-grade or a foundation...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...a natural and renewable material, making hemp batt insulation (and hemp boards) a very sustainable building material. As it is a newly emerging raw building material, no market for recycled materials has formed, but the materials are recycleable and reusable. Read more about hemp insulation. R value of Hemp : about R...

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

...akes 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 basement right or wrong, you can ...

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

DIY radiant floor installation

...ated to R32, more than 3 times what is normally used in new builds. This seems extreme to some, but that 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 th...