Polyiso insulation / Guides

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...

R values and insulation performance
Efficient home design

Understanding thermal performance

...insulation types change with temperature, with the polyisocyanurate [polyiso] demonstrating a more significant response. The polyiso insulation provides close to its rated R-value when measured at 24°C [75°F], but at both lower and higher temperatures the performance decreases dramatically. Im...

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 levels and attaching exterior wall insulation successfully. Larsen trusses with cellulose or batt 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 in...

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 interesting quirks so be careful where you use it © Ecohome Performance: R6 - 6.5 and even higher are the claims of some producers, but independent researcher...

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

How much insulation is too much in attics and walls?

...insulation is too much in an attic? What does ‘diminishing returns’ for insulation mean? It's as simple as this - adding one inch of insulation to a wall that has only one inch of insulation is certainly well worth the investment, in any climate. Adding one inch of insulation to a wall that has 5 inches of insula...

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

Non-toxic natural building insulation made of grass

...insulation materials In order to combat the climate change impact of the built environment, natural insulation materials such as hemp insulation, cellulose, wood fiber and grass insulation help us meet emission targets because they act as carbon storage. We are living in a time when the embodied energy of buildings i...

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?

...insulation’ and honestly, there is rarely one single right answer. In that spirit, I wanted to take a closer look at EPS 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 insulati...

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 ventilation in the summer reduces energy needs for cooling. We sourced some salvaged materials for the beauty they would bring to the project. The exterior brick comes...

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?

...insulation When installed properly, spray foam can help make a house airtight (when first applied); it works as a vapor barrier and it adds a significant level of insulation to a home, further reducing the energy needed for heating and cooling. An all-in-one product for home renovation that provides the insulation, a...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...insulation panels to use where - 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 option The best resilient design features for new home construction Find more about green home construction and re...