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...

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...