Foam insulation / Guides

Spray Foam Insulation - Is it Good or Toxic & Dangerous?
Insulation and soundproofing

Is spray foam insulation a good choice for your home? Or a toxic recipe for disaster?

...foam insulation. Why is that? Well, it works - at least in some ways. Spray foam manufacturers’ marketing departments have worked very hard to distract us from the potentially sketchier aspects of spray foam. This has been quite successful, as it has become a very popular insulation choice for renovation projects, an...

Is EPS foam eco-friendly? Exterior home insulation rigid foam panels
Insulation and soundproofing

Does plastic foam or Styrofoam insulation have a place in green building?

...foam insulation or ‘Styrofoam insulation’ as it is often mistakenly called, which it isn’t. It may seem like splitting hairs, but Styrofoam is a brand name of XPS insulation, it is not EPS insulation, and environmentally speaking they're very different - read more here. A good part of the reason why EPS foam insulati...

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

Rigid insulation panels: which ones to use for different applications

...Insulation Products, Like Hemp Insulation panels or Batt Insulation or mineral wool - demonstrated here in roof insulation . Polyisocyanurate Foam Panels: PIR, polyiso, or ISO, is a thermoset plastic product typically produced as a foam and used as rigid thermal insulation panel - most often with aluminum foil faci...

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

...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 insulation currently on the market. The installation of spray foam requires the mixing of chemicals on site, and that reaction generates a lot of heat. So spray foam b...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

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

...foam panel insulation Cellulose rigid foam insulation is a greener choice than styrofoam UPDATE: A new environmentally-friendly rigid foam insulation board made from cellulose nanocrystals is a viable alternative to Styrofoam - according to researchers at WSU... This product has us really excited, because it'...

How to Insulate Exterior Walls from the Outside US Canada Ecohome
Walls and Roofs

The easiest way to insulate walls from the exterior in older homes

...insulation A Larsen truss wall is one with engineered I-joists attached to the outside of a stud or brick wall, which then creates a cavity that can be filled with additional insulation . You can add batt insulation, dense pack cellulose, rigid insulation panels or spray foam if you choose (spray foam is our least fa...

How to Fasten Cement Board Facing to slab on grade insulation
Slab on Grade

Finishing the exterior of an insulated slab-on-grade floor

...foam slab exterior. To learn more about Slab on Grade foundations enjoy the EcoHome Video Guide for a Slab on Grade Foundation with Solar Powered Radiant Heating , or discover many more articles about Design, Insulation, Forming, Heating & Pouring of Slab on Grade by Clicking HERE or join the debate about which insul...

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

...foam, but there are durability concerns. Exterior sheathing insulated with foam can trap moisture in walls. Foam is at least a vapor ‘retarder’ (which slows the migration or moisture) or sometimes a vapor ‘barrier’, which stops moisture altogether. That’s why the habit of adding foam insulation to the exterior ...

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

...insulation level slightly and applying that money to a much higher quality window. In Conclusion, How much Insulation is best? Balancing insulation is about respecting the laws of diminishing returns. Example - If I have a wall with just 2 inches of insulation and I add another 2 inches, I will certainly get my mon...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...foam will also work to seal air leaks and add insulation. In the unfortunate situation of having no air barrier but a truss system that makes a poly air barrier impossible to install from above, spray foam may be the only solution. We've generally steered our readers way from spray foam products in the past due in pa...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...insulation. CLICK IMAGE TO ENLARGE Insulation on the exterior and interior, from outside to inside: fiber cement board and parging above grade 3" of mineral wool or EPS foam (expanded polystyrene). 3" is better, 2" will suffice - not to be confused with styrofoam drainage mat damp pr...