fix-ice-dams-roofs / Green Building & Sustainable Home Renovation Information & Advice

Ice dams form at the bottom of roofs, letting water penetrate and cause damage to the interior of walls and roofs.  When snow melts on a roof it runs down until it meets the unheated bottom edge of a roof and then freezes. This chunk of ice is called an ice dam, and it can cause water to backup beneath shingles and Ice...

Frost in Attics: why is there Ice in my roof?  When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn't a cloud in the sky, it's probably Attic Icing, otherwise known as Ice Dams or Ice Damming, and the surprising thing is that it's very unlikely that the roof cove...

Top Tips for preparing a home for winter Extremely low temperatures over winter can test your home in many ways, and sometimes your house will return a failing grade. Even brand new homes built to code can see failures of their building envelopes, windows, doors and ventilation systems during winter, a simple failure t...

Commercial Green Roof Case Study AB Canada Nestled in the Oldman River valley in Lethbridge Alberta, the green roof on the Helen Schuler Nature Centre (HSNC) has been attracting local and international attention from visitors and living roof enthusiasts since its completion in 2013. On the roof of the building, a 200m2...

1. Asphalt shingles: Asphalt shingles © Ecohome We’ll start with shingles to get it out of the way, because choosing an eco-friendly, durable roof covering starts first with dismissing any idea of installing asphalt shingles. High-embodied energy, rarely if ever recycled, they deteriorate rapidly with UV rays, emit s...

It is pretty much inevitable that at least some warm, moist air from living areas will find its way into the roof of a building and bring with it the very real risk of frost and ice forming in a cold climate, or mold and rot in a temperate climate. This is a simple product of physics and the realities and limitations o...

Stormwater - why it's important to choose permeable surfaces for paths & driveways As cities expand into the green space around them, naturally permeable landscapes are replaced with buildings, roads and parking lots. This inhibits the natural water-filtering process that happens when micro-organisms in the soil br...

The Telsa solar roof tiles are in the news again. They now have solar panel shingle installations going in 8 states so far - with what's becoming competitive pricing. If news of these PV roof shingles is also news to you, check out our Tesla solar roof review from when it was first announced in 2016. What was missing b...

The Definitive History of ICFs - Contents What is the history of ICFs ? What is the History of Plastic foam ICF's  ICF blocks aren't made of styrofoam Who invented foam ICF construction blocks? Which was the first ICF block construction? What happened next in the history of ICFs? The History of ICFs Timeline ...

Walls in residential homes are almost exclusively finished using gypsum board (either recycled or synthetic) because it is cheap and easy. It is however, not the only option for interior walls, and it has some other competition - especially in areas that may get humidity. We will start with drywall, but also list off a...

As a precursor to a new post exploring everything you wanted to know about Dry Rot but were afraid to ask, we wanted to cover the causes, effects and solutions for interstitial condensation in walls and roofs. We’ve all heard of condensation, but has anyone ever heard of interstitial condensation? If you haven’t (or ev...