Thermal barrier / Guides

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...barriers, so why is no one talking about them? We don't talk about air barriers because we are too busy talking about vapor barriers. An air barrier is not so...

Interior sheathing as air & vapor barriers in wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour or vapor barrier

...barrier and vapour barrier. Taped OSB sheathing as air barrier © Durfeld Constructors There is no question that this technique also presents a new chall...

Slab-on-grade for Ecohome's upcoming video building guide
Passive solar home design

how to build a slab-on-grade on standard soil

...barrier / vapour barrier For added durability over the commonly used 6-mil polyethylene vapour barrier, we used a 10-mil barrier instead. The added thickness ...

Prefab frost-protected shallow foundation insulated form kit
Slab on Grade

Raft slabs - How to build Insulated Frost Protected shallow foundations (FPSF) on problem soils

...thermal battery by storing and releasing heat , which helps balance temperatures in both summer and winter. Such quantities of heated thermal mass inside the ...

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

...Barriers in High Performance Homes - EcoHome Guide Discover the Aerobarrier Home & Attic Air Sealing Spray - EcoHome Guide Replacing Polyethylene Vapor Barr...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...thermal protection and energy efficiency, better drying capabilities and protects the air barrier from the assault it would normally receive from wiring and oth...

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...thermal bridging . The sheathing is used as the air barrier and vapor barrier , by using a high-performance building tape to seal the joints and the Larsen Trus...

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?

...barrier at all, you really do need one. This requires lifting insulation, laying down a polyethylene vapour barrier over the whole surface (it can go up and dow...

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

...barriers, some have vapor barriers, some have both and some have none. Some insulation panels (like EPS, XPS and polyiso) can act as a vapor barrier, which can ...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...barrier : Although commonly known as a 'vapour barrier' a better term to use would be a vapour retarder. A moisture control barrier should slow diffusion of m...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

...thermal barrier of rigid foam, polyurethane or wood to improve their thermal performance; aluminum frames are susceptible to water leakage at the joints in the ...