Air tight drywall / Guides

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

What is an air barrier?

...Airtight drywall approach (A.D.A): With the help of gaskets and sealants, gypsum board (drywall) is a very effective air barrier, so long as the joints are se...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor bar...

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

Interior sheathing as an air and vapour or vapor barrier

...air barrier. Always seal your home as tight as you possibly can and let your air exchanger do the job it was designed to do. Ordinarily there is a lineup of d...

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?

...air flow - in a roof keeps it in good dry and sound condition, so make sure there are air baffles on the roof deck so that air can pass through from the soffit,...

Insulating crawlspaces as part of home renovation
Crawl spaces

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

...air barrier, but EPS and mineral wool are not. Air doesn’t leak through intact concrete but it is quite likely that crawlspace walls will leak air. If you have ...

Affordable Modern Prefab Eco Homes Available - The S1600
Off-grid and Net-Zero Housing

The S1600 - affordable modern prefab eco homes for families

...air quality Of the 8 scoring categories of the LEED rating system, among the more important standards is to ensure safe indoor air quality for occupants , whi...

Building Green Homes on a Budget is Possible - Our top tips
Planning and Design

Top tips for planning and building a green home on a budget

...air barriers carefully to ensure air tightness in a new home build - (see here) as long as you have the time to ensure the job is completed properly before the ...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...Air lock entry at the doors. With an air tight building an air lock is not really of much value, the whole house acts as a air lock and air doesn't blow though ...