cob-oven-workshop / Green Building & Sustainable Home Renovation Information & Advice

The Zoetrope is a vertical-axis wind turbine made from common materials. Many of the materials can be found at your local hardware store and the rest can purchased online or made at home, for the truly industrious amongst us.  The Zoetrope was conceived when renewable energy advocate, Mike Marohn commissioned Applied S...

With their house about three kilometers from the nearest paved road and hydro pole, so truly off-grid, Craig Anderson and  France-Pascale Ménard had no option but to go for extreme efficiency in design, product selection and construction. Craig and France-Pascale went for LEED certification through the CaGBC, and this ...

New blowing agents for spray foam coming by the end of 2017 Foam insulation is a petroleum-based product and nothing will change that. But that was never the biggest problem the 'eco' building community had with foam insulation; the main issue was the inclusion of chemicals with a global warming potential (GWP) that wa...

Framing lumber choices for building homes Framing lumber, also known as structural wood, is the grade of wood used for house framing (studs, Larsen Trusses for Double-Stud walls, headers, roof trusses and floor joists, etc. as well as in timber frame construction). Its technical characteristics make it perfectly suitab...

1. Make a realistic budget and schedule: This is, without a doubt, the starting point to a successful build - don’t underestimate the time and money it will take to complete a build or renovation. Even professional contractors tend to underestimate the costs and duration of a project. Get advice from multiple professio...

With the recent COP26 Global Climate Change Conference in Glasgow, Scotland, all the world's countries are talking carbon emissions amidst a certain amount of finger-pointing. In the closing minutes as the sustainable world watched the much applauded COP26 conference and a host of private jets were revving up their eng...

Vapor Barrier + Air-Con = Damp Moldy Walls So here's a little known fact that most HVAC installers won't tell a potential new client for central air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home w...

Should I Renovate, Remodel or Rebuild? This very question comes up a lot for me during site consultations with clients. Some people buy an old home, maybe inherit an old home, or are just tired of living in an old home and aren’t sure of the best course of action. We toil over the same decision with old cars; sometimes...

Crawlspace insulation - be careful to get it right A crawlspace comes with all the downsides of a basement, but it is just too low a space to be functional either beyond the folded plastic christmas tree and a couple of boxes of baubles. Unless there is a good reason for it, going through the process of pouring a footi...

SEER v HSPF v COP (& SCOP): Understanding Heat Pump Ratings Many people are considering making the switch to a heat pump, for a variety of different reasons, including the heat pump grants available in Canada and the USA to offset the cost and the potential cost savings of buying and installing a single unit that c...

A new cement block manufacturing process developed by an American company named Solidia Technologies® produces 40% fewer emissions during manufacturing than conventional concrete, resulting in a dramatically lower environmental footprint. Solidia’s concrete is formulated with less lime and is cured at lower temperature...