Vapour barrier / Guides

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...vapour barrier under your concrete floor and installing a radon vent will eliminate the problem for very little money. It's a simple matter of a 3 or 4 inch pipe with a T at the bottom underneath your slab, that is vented to the outside. Read more on the health effects of radon gas & how to prevent it in homes & cr...

Installing Siding Correctly
Exterior cladding

How to install siding

...vapour barriers, for example) are now more commonly keeping them wet. We have grown to rely heavily on caulking - often referred to as 'liquid carpenter' - as a a cure-all for every mistake, and to allow for quicker installation by cutting less precisely. Caulking or scribe in a tube is an excuse for poor siding in...

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

...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

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...vapour retarder/air barrier 4) Mesh barrier for cellulose installation 5) Wood studs and cellulose fibre insulation 6) Semi-permeable foam 7) Drainage plane 8) Furring strips 9) Exterior cladding Dense-packed cellulose wall insulation cuttaway © Ecohome However, if high effici...

Slab on grade or a foundation and basement?
Foundation choices

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

...vapour barrier, and a lot of mechanical infrastructure before you pour. None of that should discourage you, that will all be necessary under your basement floor anyway. You can put flooring material on top of a slab, but simple finishes include acid staining, adding colour, cutting tile patterns, or the simplest and ...

Ecohome's Kenogami House 'The Most Resilient Home in North America'
Concept and design

Resilient design features for new home construction

...vapour barriers on basement walls; this will trap moisture and cause rot and mold in basements. Resilient wall construction: Moisture in its various forms is the primary cause of building failures; wind-driven rain, standing water, roof leaks, high indoor relative humidity, humid air leaks, frost, snow buildup ag...

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

...barrier and air barrier 11 7/8" TGIs (I-joists) as a double-stud wall attached to the exterior of the sheathing (R42) 1.5" ECO4 Wood fiber-board rigid exterior insulation (R4) Weather barrier (WRB) Strapping Exterior cladding * Both homes are built on a raft-slab ‘ slab on grade ICF Forming kit ’ with 12 ...

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?

...vapour barrier, then a thick layer of insulation . Exterior vapour 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 di...

Crawl Spaces or Slab on Grade Foundations?
Crawl spaces

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

...vapour barrier when installed with multiple layers and offset joints as it will not absorb moisture from the ground. • Building on high ground eliminates any risk of flooding. • A slab on grade with a frost-protection skirt designed for its specific climate will not heave. • EPS foam with parging on it or an exte...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...barrier, which can seal entire homes. How Aerobarrier works: Using standard blower-door testing equipment, a house is pressurized to between 50 and 100 Pascals. Aerosol nozzles are placed through the home which then spray Aerobarrier water-based liquid acrylic sealant. The elastic particles in Aerobarrier are non-t...

Painting with zero VOC paint from Benjamin Moore
Paints, finishes and natural coatings

Choosing safe paints

...vapours can be nausea, headaches, dizziness and fatigue. Read labels carefully and take the proper safety precautions. Wear gloves, eye protection and a proper respirator mask with cartridges rated for vapours. This is important - not all respirators are the same, some are specific to dust particles and won’t offer com...