Moisture barrier / Guides

Tyvek home wrap left exposed to wind and UV rays
Air and vapour barriers

Choosing the right house wrap / weather barrier, which is best?

...barriers or WRBs, sometimes weather-resistive barriers, but in practical terms they are more commonly called housewraps and weather barriers. With so many optio...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...barrier up the wall and sealing it to the rim joists will provide you with an air barrier . Preparing a crawlspace for vapour barriers and insulation: First...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

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

...moisture sensitive and should not be installed where it will be exposed to moisture. Despite how commonly it can be found insulating foundation walls, it should...

Installing Siding Correctly
Exterior cladding

How to install siding

...barrier) . A well-ventilated air space between sheathing and cladding is an important part of the strategy needed to allow walls to shed moisture in all seasons...

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...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...barriers in the form of 6 mil poly vapor barriers , exterior weather resistant barriers (WRBs) , tapes and caulking etc, so the cost doesn’t really go up much. ...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...moisture soil gas barrier. Seal the polyethylene barrier at all penetration points and openings with appropriate building tape. 1) We use the term 'air / ...

Slab on grade or a foundation and basement?
Foundation choices

Choosing between a slab-on-grade or a foundation and basement

...barrier prevents that from happening and you will inevitably trap moisture inside your walls. Depending on the situation there are other options that can be m...

Choosing between OSB or Plywood for house sheathing for Roofs, Walls & Floors.
Wood and organic materials

Which is better, OSB or Plywood for Roofs, Walls & Floors?

...moisture during construction, is the moisture that can infiltrate through wall assemblies after completion. How durable a wall is depends heavily on its ability...

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

...moisture between two vapor barriers . If a home already has a vapor retarder or vapor barrier, it’s important not to add another vapor-impermeable layer on the ...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...barrier 4) Mesh barrier for cellulose installation 5) Wood studs and cellulose fibre insulation 6) Semi-permeable foam 7) Drainage plane 8) Furring st...