Polyiso / Guides

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

Rigid insulation panels: which ones to use for different applications

...Polyisocyanurate known as Polyiso (PIR), Extruded Polystyrene (XPS) - often called Styrofoam - and Expanded Polystyrene (EPS). Before choosing, you should kno...

R values and insulation performance
Efficient home design

Understanding thermal performance

...polyisocyanurate [polyiso] demonstrating a more significant response. The polyiso insulation provides close to its rated R-value when ...

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

...polyiso) can act as a vapor barrier, which can be a good thing or sometimes a bad thing, so be careful! This is why insulating exterior walls can sometimes go...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

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

...Polyisocyanurate insulation (or Polyiso) Method and form : commonly in 2x8 or 4x8 sheets with foil backing Polyisocyanurate insulation boards have some in...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...Polyiso v EPS v Styrofoam & alternatives For more details on insulating a home see here Why building a green sustainable home is the most affordable...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

Diminishing returns on insulation. How much insulation is too much?

...Polyiso, EPS & XPS foam insulation & styrofoam Tips for successfully building affordable eco homes Resilient design features for sustainable new hom...

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?

...Polyiso v EPS v Styrofoam & alternatives Compare the carbon footprint of wood v steel vs. concrete buildings Why building a green sustainable home i...

The LEED Platinum infill house in Toronto
Real estate

Farnham Avenue House

...polyiso foil-faced insulation panels [with zero HCFCs] eliminates thermal bridging, and helps the walls to achieve R-35. As described earlier, natural ventilati...

Natural Building Insulation Made of Grass - Eco-friendly, Green
Insulation and soundproofing

Non-toxic natural building insulation made of grass

...Polyiso rigid insulation board s are mostly air, so sound can move through them fairly easily. Rockwool brands itself as a soundproofing insulation , which it d...