Mold in a crawlspace / Guides

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...ality. Air contaminated with radon gas is a serious health hazard and is the second leading cause of lung cancer after smoking. Please see our page on crawlspace radon mitigation for more information. Now you know more about how to insulate a crawlspace, reduce humidity and mold . Find more pages about sustai...

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

Removing radon gas from basements and crawlspaces

...ing Guides Rob Mahoney is a radon mitigation specialist in the National Capital Region and sits on many advisory boards including the Canadian Association of Radon Scientists and Technologists , Canadian National Radon Proficiency Program , Canadian General Standards Board and CGA Standards (Compressed Gas Associat...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...ant to carefully seal air-barriers in homes , paying special attention to joins and breaks in the membranes – especially where secondary trades have passed after air-barriers were fitted - and by using specialist sealing tape that stays stuck down properly. Last but not least – if you live in a cold climate area that...

Slab on grade or a foundation and basement?
Foundation choices

Slab-on-grade vs foundation and crawlspace or basement

...and call it done. All the electrical, plumbing and other mechanical infrastructure you will have to do anyway throughout your house, so don’t think of it as added cost. In fact with a slab that can all be done cheaper. Laying out plumbing and wiring on a flat surface is a lot easier than drilling a thousand holes and...

Smart sewage backup device
Plumbing and water heaters

Sewage backup flood prevention and water leak notification on your device - our products of the month

...al spring rains can lead to very high water tables and consequently, sewage backflow is an increasing danger to homes and the health of occupants. According to the Régie du bâtiment du Québec (RBQ), sewer backups and basement water damage are among the most common home insurance claims. A lower-maintenance and more...

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...

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

...at in your new plans. Radon protection as well as radiant floor heating can be done at this time also. If the floor joists are in reasonable condition and you want to keep using the crawlspace for storage and mechanical systems, see our page on how to insulate crawlspaces . Repairing foundations & insulating from...

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

...ing over. It’s just that dirt has always been used as insulation against frost heave, so it has been ingrained in us for centuries as essential. But, thanks to modern building practices, you can also use ‘insulation’ as insulation against frost heave! Soil has an insulating value of about R3 per foot, where foam insu...

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...

Crawl Spaces or Slab on Grade Foundations?
Foundations and Basements

Slab on grade or crawlspaces, which is better?

...ansive clay soil, and by building a raft slab we saved money by not requiring any soil remediation. Read more about our Wakefield house solar air heated slab floor here . What’s cheaper to build – a slab on grade or a crawlspace? A slab is cheaper . A crawl space is like building a mini (and dysfunctional) basement...