How / Discussions

How does a Passive House handle floods?

...How would a “passive” or airtight house fare in a flood incident, either from inside (burst water tank) or from outside (like New Brunswick’s spring floods)? ...

Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 Responses

How do I waterproof a foundation from the inside?

...how to build basements properly - How to insulate a basement and protect it against water damage and flooding Bulk water directed towards your foundation wi...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses

How do you maintain a man-made pond?

...How do we maintain this and how do we make sure it's safe to swim in? We also are hoping to pump from the pond to place into food-grade barrels to use for outdo...

Posted by Jillian Kaufman June 22, 2020, 8:57 a.m. Natural swimming pools and ponds 0 Responses

How do you seal up an old fireplace chimney?

...however, depending on how the chimney integrates with the wall of the house, I would be concerned that the stone or brick would still act as a thermal bridge. I...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

How do you lower high radon levels in a basement?

...how much it will cost? Can you please suggest us what should be done. House is in very good condition. Radon mitigation equipment such as passive radon stacks a...

Posted by Uma Parekh May 22, 2020, 11:54 a.m. Healthy indoor air quality 1 Responses

How do I find a green builder in my region?

...how to go about locating a competent builder, any ideas? Thanks! We don’t have a listing of builders to offer unfortunately, but we can offer some advice on how...

Posted by Marie Isakower July 26, 2018, 8:12 a.m. How to Find Qualified Green Building Professionals 3 Responses

How do you install a ground loop for an HRV?

...how they work. A question that has come to mind is the position of the ground loop fluid heat exchanger, and if it would be beneficial to have two, one on eac...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

How do you finish the exterior of slab on grade?

...how we did it here in this video - How to finish the exterior of a slab on grade foundation insulated with Rockwool What we did worked, though in hindsight ...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

How well do Legalett slab on grades work?

...However -- we can't seem to find evidence that this concept has gotten traction over the years in Ontario, specifically in Prince Edward county. Specific questi...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

How do you insulate a crawlspace with dirt floor?

...how to proceed for insulation/winterization/moisture? At this point, I’m thinking to simply put a 6 mill poly on the dirt floor to keep the moisture out and t...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 1 Responses

How do you insulate a cathedral ceiling?

to vent or not to vent a cathedral ceiling. I'm leaning towards not venting my cathedral ceiling and using closed-cell spray foam insulation. My walls are do...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

How much does it cost to build a house by square foot?

I want to build a house but I don’t really have an idea of how to price it out, is there a metric for figuring out what it will cost per square foot? I plan to...

Posted by Mike D Sept. 5, 2017, 4:12 p.m. Concept and design 1 Responses

How much does a Tesla roof cost?

...However, when we did a little digging to see if that was accurate, we found many conflicting numbers. According to an Electrek post , the roof tiles alone cos...

Posted by Anthea Larke June 18, 2019, 7:45 a.m. Renewable energy 1 Responses

How you vent a metal roof?

...how to choose the best insulation ) You would then need to add sheathing and a drainage plane, then the strapping and metal. here is our page about How to choos...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

How much insulation should I install underneath my concrete slab in my basement?

...how much and what type is recommended? You absolutely need to install insulation under a slab , you would be utterly miserable if you didn’t, you would have fro...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

How do you create a slab on grade on a slope?

...How would we do a slab that provides thermal mass for catching winter sun rays in this situation? Could we potentially have 4 foot deep thermal mass on the sout...

Posted by Adrienne Rayna June 30, 2020, 3:58 p.m. New foundations and slab-on-grade 3 Responses

How do you attach exterior siding without affecting the air barrier on a passive house?

...how to attach anything to the "Zip system", without penetrating the airtight barrier. Thanks, Scott The Zip Sheathing System is an air barrier sheathing when ...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

How hard is it to build a LEED Platinum House?

...How to build a LEED Certified Home What you need to do first is contact a LEED provider in your region, it is with them that you will make your submission and...

Posted by Sattar Alfa Aug. 31, 2018, 11:11 p.m. LEED Homes 1 Responses