rain-barrel / Green Building & Sustainable Home Renovation Information & Advice

Rain barrels for storm water management and rainwater harvesting
Rainwater Collection & Watering

Introduction to rainwater harvesting

Rainwater harvesting is a great strategy for reducing domestic water use and protecting our homes and the land surrounding it. Harvesting rainwater can lead us to dozens of other practices that bring us into greater sustainability. The three potential sources for harvesting rainwater: Direct rainfall, street harvesting...

Urban farming
Landscaping

Urban Farming turns beautiful gardens into a grocery store!

How to grow vegetables & fruits in a garden Plants survived long before humans were around to water them, so we aren't talking about reinventing the wheel here, but rather a sensible choice of plants and basic water management. Native species of plants in a given region have adapted to their own climate and can usu...

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

Interior sheathing as an air and vapour or vapor barrier

There has been a steady evolution in the way we build homes over the last couple of decades, and the old standby wall recipe of 2x6s, fiberglass insulation and polyethylene doesn't measure up anymore with building codes, nor the trend towards high performance housing. One aspect of wall assemblies that is garnering som...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

The most common practices currently employed for finishing basement interiors as living space rarely account for the impacts that come with the added moisture load below grade, or the amount of heat that will be lost to the ground. Existing basements are typically under-insulated or not insulated at all, and if they ar...

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

What is an air barrier?

Approximately 100 times more water vapor is carried into our walls by air leakage than is carried by vapor diffusion. That makes air barriers 100 times more important than vapour 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 ...

Vapor retarder latex primer instead of polyethylene sheet
Air and vapour barriers

Replacing polyethylene vapour barriers with latex paint vapor control

Vapor Barriers in walls, why polyethylene can be problematic It would probably surprise many home builders to hear what really causes moisture accumulation in walls, and what to do to prevent it. An understanding of how water vapor moves through walls is important, so a good place to start would be with our page explai...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage - video

The Ecohome Demo House has a vapor permeable exterior air barrier, and with an ACH rate of .69 it is  several times more airtight than the average new home. Air leakage can be responsible for up to 1/3 of the total heat loss of a home and cause significant moisture damage in walls, as one small hole can be responsible ...

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

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

A technical guide to understanding the role weather barriers and rainscreens play in a wall, choosing the right products and installation tips for optimum performance. They're officially known as water-resistive barriers or WRBs, sometimes weather-resistive barriers, but in practical terms they are more commonly called...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

We cannot overstate the importance of airtightness in homes and attic rooms. A proper air barrier reduces heat loss in winter, overheating in summer, and prevents moisture build up in walls which can lead to mould and rot. We recently had a chance to try out a product that at first sounds too good to be true, but one t...

Radon and vapour barrier below slab on grade floor
Radon in Homes - Mitigation

Vapour / radon barriers below slab floors

How to Install a Radon Barrier - Slab Floors If in the kind of area where it's a good idea to install a vapor barrier against radon ingress, (check out the Radon maps by state and province page to find out here) we can't stress enough how important it is to test for radon, or better still to continually monitor for hig...

“The perfect lawn” comes with a very heavy environmental cost!
Landscaping

Which are the best bee-friendly & Eco-friendly alternatives to grass lawns in backyards?

Alternatives to grass lawns - ground covers!  North American backyards have one main point in common – Kentucky blue grass. But here we’re talking about ground covers and alternatives to this grass, not a bunch of fiddle and banjo players jamming in your backyard.  The traditional green grass we use to cover our front ...