Mold / Guides

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

Basement renovations: How to prevent mold when finishing basements

...mold to grow in basements? Mold can grow on virtually any organic material as long as the moisture levels it likes and oxygen are present. Because mold eats or digests what it is growing on, it can damage a building and its furnishings. If left unchecked, mold eventually can cause structural damage to building mate...

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

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

...mold formation. They most certainly are not based on the laws of physics,that is the one thing we know for sure. 3) The cheapest way to insulate a basement is on the inside, and using finishing materials that are moisture and therefore mold formation sensitive. This is a big problem, given the potential for mold prob...

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

Ventilation & air exchangers

Homes built in the last 40 years in Canada are relatively airtight . Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, and they did that very well. Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickl...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...mold can establish itself. That dank air will inevitably be circulated throughout your home, providing humidity, mold spores and a pretty nasty smell that will be the dominating odour of your home, furnishings, and your clothes, so you will take that aroma everywhere you go. Rotten huh? Crawlspace vapour barrier ...

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

Best practices for basement insulation in new home construction

...mold growth and rotting wall structures. The following basement insulation techniques listed here are designed to offer the most sensible and durable options for interior insulation, exterior insulation, or ideally, a combination of both. These assemblies have been designed to prevent moisture infiltration over the...

HEPA filters & SMART Air Filters catch airborne dust, pollen, allergens, virus
Healthy indoor air quality

Buying guide for home air filters in furnaces - HEPA, SMART or Regular?

...mold. • Air filters with a MERV rating of 11 are capable of catching pet dander, smoke, and smog. One thing to bear in mind to assist with flu and virus transmission prevention is to install a MERV 13 rated air or furnace filter in your home or business. MERV 13 filters capture airborne viruses and bacteria from co...

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...Mold in homes is a bad sign so how to get rid of it or prevent mold in drywall? Mold and mildew in homes develops in conditions of high humidity , most often in bathrooms, kitchens and basements, unless caused by roof leaks and other building envelope failures. Along with affecting the durability of your home, mold a...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...mold, rotten and moldy walls means home renovations are needed, and that means open up your wallet. Nothing good ever comes from warm air leaking out of a building in winter. Nothing. Some older-school builders who aren’t up to speed on building science often think letting your walls ‘breathe’ is a good thing, which ...

Installing foam panel insulation, which is best?
Insulation and soundproofing

Rigid insulation panels: which ones to use for different applications

Polyisocyanurate (PIR), Extruded Polystyrene (XPS), Expanded Polystyrene (EPS) or Styrofoam? When building or renovating a high-performance building envelope there are really three main kinds of rigid foam panels you are going to have to choose from - Polyisocyanurate known as Polyiso (PIR), Extruded Polystyrene (XP...

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?

...mold and that may become a big issue.. Condensation, humidity, mold and health Exposure to damp and moldy environments may cause a variety of health effects , (or none at all). Put simply, some people are sensitive to molds. For these people, molds can cause nasal stuffiness, throat irritation, coughing or wheezing...

Siding Choices - Board and batten siding
Exterior cladding

Choosing the right exterior siding for fitting, cost comparisons & appearance

...mold and rot from moisture & humidity. Cost of wood siding: $8 to $20 per square foot installed, depending on type of wood, style and the complexity of the job. Expected siding lifespan: Durability of 40 to 55 years if the wood siding is regularily & carefully maintained Note: There are companies that offer pre...