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...

Slab on grade for a Passive Solar LEED Home insulated by 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...

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...

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...

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...

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...

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 ...

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

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

...about your slab; grab your beads and head to church for confession. Is a slab on grade or a crawl-space better on poor soil or high water tables? flooded crawlspaces are another great reason to choose a slab-on-grade foundation A slab foundation is better . Remember – a crawl space is a mini basement, aka a h...