How to / Discussions

Can you mount heavy objects to a Passive House Larsen truss wall?

...to carry weight without sagging depends on how they are fastened and if they are resting on anything solid. Here is a video describing how to install Larsen Tru...

Posted by Jay Stevenson July 3, 2020, 2:42 p.m. Wall assemblies - renovation 1 Responses

is a double vapor barrier on a South Florida roof bad?

...to a/c the attic space, another is to install the 'peel and stick' over old fashioned roof felt which seems like putting the new modern material over old techno...

Posted by Arthur Moore April 6, 2020, 12:57 p.m. Roof assemblies - renovation 0 Responses

Can houses built on screw piles move?

...to know what the problem is before suggesting a solution based on symptoms...

Posted by Pamela Douglas June 23, 2020, 1:18 p.m. Foundation and basement improvements 1 Responses

We have water butt's to collect water. How could we get them to water tank so c

...to get a pump to pump the water from the butts into a water tank in roof space. Thank you Hi Denise, we don't sell pumps if that is your question, sorry.

Posted by Denise Humphries June 8, 2020, 3:45 a.m. Rainwater harvesting 3 Responses

Where do I start to build a small, affordable, low-maintenance house?

...to start. The home will have to be 100% off grid due to location. Hopefully I'll be able to have a well. I currently own some solar panels and have access to ...

Posted by Ocean-Lynn Georgelin Oct. 22, 2019, 11:40 p.m. Concept and design 2 Responses

Do we have the option to build to meet the reqs. of the Living Building Challenge?

...to take the Living Building Challenge . We would be quite happy to work with you to meet those objectives, that would be a great feature to add to the featured ...

Posted by Lydia Singh Jan. 8, 2020, 1:30 a.m. Green building certifications 4 Responses

Can you preheat ERV inlet air?

...to a geothermal heat exchanger concept. Yes, you can run what is called a ‘ground loop’ below grade to warm or cool incoming air to your ERV or HRV depending on...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses

How could I convert my hydronic gas heated floors to electric heated floors?

...told it can't be done . If you’re looking to convert your radiant floor from a gas-powered boiler to an electrically-powered boiler there should be no problem d...

Posted by Betty Potter-Collins June 7, 2020, 8:20 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...how much and how long will it take to dissipate? Is this going to be a reoccurring issue? Steps I took to remedy the problem: I made cuts in the vapour barrie...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 13 Responses

What type and how to install an insulated metal flue pipe ,through a tiled roof?

...to have a free standing fire place installed into my lounge, but need some clarity on the above mentioned question. the building is a brick and mortar structure...

Posted by david joseph July 25, 2020, 7:10 a.m. Roof assemblies - renovation 1 Responses

What ext. wall assembly is recommend for a timber frame house (heavy timber)?

...tone siding, anything non-combustible. As for insulation, I would suggest maybe Rockwool (mineral wool) insulation as it is spun from stone dust and is fire pro...

Posted by Heath Jarrett March 10, 2020, 11:38 p.m. Wall assemblies - new construction 1 Responses

Do you have building partners in BC?

...to optimize the winter sun for heat just makes sense, especially, when we have lots of land to choose from. Does eco home have an architect to develop plans f...

Posted by Jami Cruz April 13, 2020, 12:05 p.m. Off-grid and Net-Zero Housing 3 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...to that of the hood. Until you take steps to mitigate the influx of flue gasses, we would advise you to limit the use of your stove hood, or at the very least...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

How do you insulate a 70s home with 2x4 walls that has fiber glass insulation?

...to strip it to the studs? And did you have a performance goal in mind (as in how many inches) or a budget limitation? Best is to strip it back to the sheathing ...

Posted by Mark Aussenegg Nov. 26, 2018, 6:49 p.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...tones to hold them together, which are at risk of freezing and cracking. Here is a page to start with that will explain that better – How to insulate a cinder...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

Is the ZIP sheathing system good or bad for water control?

...together; However, this is not possible when just slapping on a piece of special tape. I struggle to believe that this tape will be able to keep the water that ...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

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

...to puncture it, and when you do, be sure to tape it. Try to avoid areas where mebranes are folded over, and when you do have to fold it, take great care to tape...

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

What do you think of Legalett Wall Insulation?

...how their wall-insulation system compares to the wall systems that you propose. I see a number of advantages to their system--it's much less labor intensive and...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses