Spray foam / Guides

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

...spray foam has an R-value of 6.3 per inch; when used at an 8-inch thickness, the foam has an R-7.4 value per inch, which exceeds the performance of any foam ins...

Frost in attic
Roof assemblies - renovation

Why is there frost in my attic?

...spray foam may be the only solution. We've generally steered our readers way from spray foam products in the past due in part to health concerns, but mostly t...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...spray foam due to the emissions associated with it (with exceptions for eco-friendly spray foams) but this is one place where it can make a lot of sense. Spra...

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

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

...Spray polyurethane foam (SPUF): When SPUF works out, it can be one of the better performing products in basement applications. Being sprayed directly onto con...

Ice dam
Roof assemblies - renovation

What causes ice dams and how to fix them

...spray foam is closer to R6 per inch. The high ecological cost that comes with spray foam stops us from recommending it except for very urgent circumstances and ...

Tiny House living in cold climates - one of the best tiny homes on wheels
Tiny house

Tiny Houses - Living in Cold Climates

...spray polyethylene foam since it has a higher R value per inch, and while spray foam works well, the problem is that most brands of spray foam insulation have h...

Recycled building materials
Recycled and Reclaimed Materials

Where to buy and sell used building materials

...foam insulation boards © Michel Chenier As an example, the above stack of XPS foam insulation was purchased through an online classified website for $...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...foam residue and waste chemicals produced left to bioaccumulate too. Why not to install windows and doors with spray foam... When installing windows and...

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

Basement renovations: How to prevent mold when finishing basements

...Spray polyurethane foam (SPUF): When SPUF works out, it can be one of the better performing products in basement applications. Being sprayed directly onto con...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

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

...Spray Polyurethane Foam) Spray foam on basement walls © Bala structures U pdate: new blowing agents for spray foam dramatically reduce their environment...

Waste management

How to dispose of Construction waste responsibly

...spray foam. Using or disposing of old building materials: Re-using or repurposing building materials, where it makes sense. Use old boards as st...