Air barrier / Guides

Building Climate Zones USA & Canada Maps Help with Specification of Homes
Planning and Design

Climate Zones in USA & Canada for Building Homes

...barrier on the warm side of the insulation to prevent moisture from rotting walls, whereas with air-conditioned homes in Florida, the vapor barrier goes on the outside of walls. If you assemble your wall in the wrong sequence in either climate, it will likely rot in fairly short order. Then you need to consider the a...

Gabion walls can be used for building homes
Concrete and masonry

Gabion Walls - what is a gabion cage & how to build with them?

...air infiltration is controlled through the gabion cage walls, so we will run with the assumption that the architects have included an air barrier component to the wall system. Gabion walls used for structure and aesthetics in the ZEB Pilot House More about gabion walls: Gabion walls are suitable for all typ...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...air and vapor barriers, see here . This is why it’s so very important to carefully seal air-barriers in homes , paying special attention to joins and breaks in the membranes – especially where secondary trades have passed after air-barriers were fitted - and by using specialist sealing tape that stays stuck down prop...

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...barrier primer © Benjamin Moore Interior gypsum board: Latex paint ( or vapour retarder primer ) is recomended as an interior vapour control layer below grade. It is most important to not include a polyethylene vapour barrier or other vapour impermeable materials that prevent walls from drying. 6 mil poly v...

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

Should I Build on a Slab on Grade Foundation or a Crawl Space?

...air heating, it does not blow dust around your home. So it offers an advantage for cleaner indoor-air quality than a crawl space foundation. A polished concrete floor with a non-toxic finish is the most durable and healthy flooring material you can choose for a slab on grade foundation. The only downside, is that it ...

Renovate, Remodel or Rebuild? How to choose which is Best for Homes
Wall assemblies - renovation

Should I be renovating my home or tearing it down & rebuilding?

...barrier construction is a simple practice and an excellent one, but it behaves very differently than interior vapour barriers and requires a thorough understanding of the physics behind it so you don’t unwittingly design it to fail. To understand the difference between air barriers and vapor barriers in homes, see here...

Radon and vapour barrier below slab on grade floor
Healthy indoor air quality

Vapour / radon barriers below slab floors

...barrier, we used a 10 mil barrier and a radon evacuation stack to lower radon gas levels in homes, research shows (see below) that thicker membranes offer more effective protection. In this video we are installing a 10 mil vapour barrier but we would probably use a thick vapor barrier like this one in future as the c...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...air with a device like a heat recovery ventilator (HRV). Blower door test to check for air permeability being conducted © Ecohome Airtightness is measured in air changes per hour (ACH), which measures the total volume of air inside a building, and how many times in one hour that this much air would be replaced ...

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build

...air barrier. As a result, the blower-door test proved the house met the air-tightness requirements, which is no small feat. Near the end, passers-by would holler out, “Nice house.” Much like the process of having a baby, we took great pains to ensure the health and safety of our creation, and then only wanted to hear...

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

...air sealing & building envelope permeability in homes: Find out All about Air & Vapour Barriers in High Performance Homes - EcoHome Guide Discover the Aerobarrier Home & Attic Air Sealing Spray - EcoHome Guide Replacing Polyethylene Vapor Barriers with Paint - EcoHome Guide

Building a Passive House that's LEED Certified too - an Owner's Tale
Passive House

An owner/builder's account of building a Passive House

...air being fed into the air exchanger. For additional heat we installed two little mini-split heat pumps (one head on the ground floor and another upstairs) which can extract heat from the outside air down to temperatures as low as -27.7°C. The air exchanger will then take care of circulating the warm or cool air. T...