Slab / Discussions

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

...slab on grad has hydronic heated floors, using propane gas as fuel. $400/ mth is killing me. Help, i have been told it can't be done . If you’re looking to conv...

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

Should I use an air source heat pump in a Passive House?

I am looking to install a heat pump ,HRV, Radiant heat in the slab and a wood stove. do I need all this or can I do it wish just the heat pump? Or can you advi...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

Is it possible to reconcile installing a wood stove in a airtight, super-insulated house?

...slab on grade in addition to the aethstetics and comfort it would provide. However, the thought of punching a 2 sq ft uninsulated hole through the roof with a...

Posted by rick seward Dec. 23, 2018, 2:49 p.m. Wood stove and biomass heat 1 Responses

Can you do an update on Ecohome’s new demo house?

...slab, the heated air is diverted to an air/water heat exchanger for heating the hot water tank instead. Is the closed loop system maintained when diverting heat...

Posted by dean c Oct. 16, 2019, 2:04 a.m. Concept and design 1 Responses

What is the best way to insulate rim joists with EPS and batts?

...slab to below subfloor. I have a 2-storey brick home (35 yrs old). My basement wall construction is poured concrete foundation, then a full-home perimeter cri...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

...slabs. Legalett Solar Air Heated Slab on Grade installation video Slab on Grade Prefabricated Insulation Form Kit Air heated floor Thickened-edge slab...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...slab to ensure durability: The AFI (air freeze index), how much insulation encases the slab, the soil conditions, and whether or not the slab will be heated. Th...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What windows should you use when trying to build a Passive House?

...slab foundation by Legalett, double frame wall system, 12 inches deep filled with dense pack cellulose insulation and a parallel sloping truss roof 15 inches de...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses

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

...slab on grade aligned on east west axis . Being a timber frame home means you have a lot of options for insulating since the load is already being carried by th...

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

Is it normal that condensation forms on the windows of my new home?

...slab insulated with R22 rockwool and R3 panel insulation. The windows are double glazed wood and aluminum. I do not have an air exchanger yet, I’m wondering if ...

Posted by Kevin Newman April 19, 2017, 10:30 a.m. Windows and doors 1 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

...slab first, then build ICF walls on top . See the Geo-Slab frost protected slab on grade by Legalett for more information. Legalett slab on grade form kits pr...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

Do you have building partners in BC?

...slab. We would prefer to be off grid as the cost of grid power on our site is expensive. We also need a water collection system as our water is not good for con...

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

Basement reno - How do I effectively insulate my basement?

...Slab: DMX aiflow dimple mats +(3/4" EPS, needed? ) +OSB +flooring of choice Header/Rim Joist: Not sure... Since this is above grade, but in the basement, how ...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

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

...slab on grade and basement – slabs are cheaper, more ‘eco-friendly, healthier and more durable. You can buy a prefab slab kit, or you can have one designed by a...

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

What type of wood can be installed on a radiant floor?

...slab floor. The greater the temperature differential between the floor and the ground below, the greater the rate of heat loss will be. Therefore, heating a flo...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

What infloor radiant heating would you use in a corewood home design?

...slab on grade with Solar radiant floor heating powered by air tubes heated with air solar panels Installing a hydronic radiant floor system in a slab-on-grade...

Posted by John Yoho Feb. 6, 2020, 10:59 p.m. Wall assemblies - new construction 1 Responses

Is sealing basement concrete floor against radon a good idea?

...slab depressurization, where a couple of holes are opened in the floor so that radon can be sucked from below the slab. But all this hinges on first getting tes...

Posted by Tim Hanrahan Sept. 18, 2020, 3:11 a.m. Radon in Homes - Mitigation 3 Responses

How does a Passive House handle floods?

...slab on grade house a foot above the surrounding ground you could canoe away from your front door in a flood with no damage whatsoever. If you are in the desi...

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