Roof design / Discussions

What is the right amount of insulation for a house?

...design for choosing the right amount of insulation . To determine the ideal envelope to a reasonable a degree of accuracy you would need to hire a designer wh...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

Is there a small ventilation HRV/ERV for a camper van?

...roof fan and an open window, which isn't a good solution in hot or cold climates. Ideally the fans would be powered by 12 or 24Vdc. Thanks Ventilation in tiny h...

Posted by Ron Timmins June 6, 2020, 8:05 a.m. Tiny house 3 Responses

What is your experience and thoughts on pre-fab wall assemblies?

...design calls for up to 16" thick walls, slab on grade, triple glazed windows, and a traditional sloped roof (not flat). I am actiing as the general contractor a...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

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

...design will usually lead to a busy roof. 2 – A busy roof is expensive: Lots of dormers and different roof pitches slows down roof framing, sheathing, installa...

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

What is your opinion about building a garage on posts (screw piles)?

...design. Given that it is a floor and will need to be insulated before a sub-floor is added, it may be quite some time before the building will be closed and p...

Posted by Les P Dec. 11, 2017, 2:21 p.m. Foundations and Basements 1 Responses

What is the best option for building our next resilient home?

...roofing materials to protect against high winds, such as a professionally installed and well-fastened metal roof, or a living green roof . Asphalt shingles are ...

Posted by John Bae Aug. 27, 2019, 3:55 p.m. Efficient home design 1 Responses

We want to build a solarium in Ontario, what do you think of heating it with a radiant floor and wood stove?

...design has a lot of thermal mass which would be great for balancing heat. The wood stove would be a nice addition, but you wouldn’t really need both. And a few ...

Posted by Deanna Zavattin-Tortolo Feb. 18, 2020, 10:51 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

Can you add a screen/sun room and deck to a slab on grade?

Building a 26x32 cabin on a heated slab on grade and want to add a 12x12 extension as a screened room. The plan is to have the extension and roof attached to t...

Posted by Pierre Contant July 1, 2020, 10:55 a.m. Slab on Grade 2 Responses

What is the best way to renovate and make a self sustaining eco friendly family house?

...roof, cracked foundation, moldy basement etc . That way you can apply your renovation budget to the most pressing issues. If you are talking about solar panels ...

Posted by Emmanuel Sylvestre Aug. 31, 2020, 8:15 a.m. Concept and design 1 Responses

What is the perfect wall assembly?

...roof of our latest demo house, the S1600 LEED Platinum Prefab kit house . As for how to mount exterior rigid insulation, there are ways that employ more expen...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

What are your thoughts on a Yurt for colder climates?

...design options loaded in the near future, with smaller home options. For the moment the one model that I think may meet your needs is this Prefab tiny house tha...

Posted by Lexy Cara Jan. 23, 2020, 1:39 p.m. Tiny house 1 Responses

What are the most cost-effective green building strategies in new home construction?

...design . Lots of wall and ceiling and foundation and attic insulation - yes, see our page here about balancing insulation through a home for the best efficien...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...roof with thermobuilt insulation. Did consider a green roof but I'm not sure we'll have the room in the budget. Any alternatives? At approx 1200sf I'm hoping th...

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

How would I detail the connection between the wall and floating slab?

Hello all, I am an architectural designer who, personally, love slab on grades. However, one big worry I often have is water damage at the base of the wall. ...

Posted by Brendon Fraser July 17, 2020, 1:24 p.m. Slab on Grade 2 Responses

How do you calculate window height and location for passive solar heating?

...Design If it's mid-September and you are calculating this now, does that mean you are still in the design phase or have you started building? If so, and if yo...

Posted by Daniel Gardener Sept. 12, 2019, 8:54 a.m. Passive solar home design 1 Responses

For a first time buyer where do you start with renovations?

Pls. Send me any info on green grants i might be eligible for ? we put on a steel roof and insolated basement but need new window and drywall unfinished baseme...

Posted by Joanne Geall Aug. 19, 2020, 3:14 p.m. Efficient home design 1 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...design options. Hi Mike Thanks so much for all this information. We live in southern Vancouver Island. We definitely want to avoid using 6 mil poly anywhere i...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...design is the wall-to-roof junction. If the walls aren't insulated then most likely the ceiling isn't either. You may be able to blow insulation into the attic ...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses