Condensation on walls / Guides

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...oncrete connections in foundations © Ecohome Avoid wood-to-concrete connections: Concrete foundations take five years to fully dry, and...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...on’t have cracked furniture, chapped lips or constant nose bleeds, and it’s not too damp for comfort, condensation or heat consumption. If you are in an ol...

Slab on grade or a foundation and basement?
Foundation choices

Choosing between a slab-on-grade or a foundation and basement

...oncrete basement or an insulated slab on grade the best foundation? Traditionally, home construction often starts with a concrete basement foundation - But...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...on't tell a potential new client for central air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condens...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...on. The lack of information and misconceptions surrounding this product are not helping make dense-blown cellulose a more commonly used option. However, it...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...ontinuities in the insulation, corner junctions, badly installed insulation (convective thermal bridges), concrete slab junctions at walls and balconies, servic...

Choosing between renovating and rebuilding
Wall assemblies - renovation

Renovating or tearing down and starting over

...onditioned space, a sensation that you don’t get with walls of differing temperature as we don’t have regular or sustained contact with them. See our pages on t...

Ice dam
Roof assemblies - renovation

What causes ice dams and how to fix them

...condensation can form on the walls in the back of cupboards. Whether or not you have indentified an ice damming problem, this is an indication that you have a t...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...oney in the long run. Have insulation blown onto rim joists if it isn't already done. Foam must be covered by drywall for fire protection. Don't ins...

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...onduits and radon gas evacuation tubes. Note: We would strongly recommend seeking a plumber with experience in slab-on-grade construction. As all plumbi...

Icicles are an indication of heat loss, which can cause damage to insu
Wall assemblies - renovation

Winter troubleshooting - are you ready for the cold?

...on really cold nights to keep it a bit warmer; that works well for me. Condensation forming inside on exterior walls: This can be caused by thermal br...

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