Existing / Discussions

How do you install radiant floor heating in an old building?

...existing plumbing...how do I put in a slab...without moving the camp ?? I've been thinking of cutting the floor out to pour......if you have any thoughts othe...

Posted by Rob Doda March 19, 2020, 3:21 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

What is the best way to insulate a concrete block house?

...existing furring strips for a radiant and moisture barrier. Then stud out the inside and R13 insulation then dry wall. Thoughts? What is your climate zone? Ex...

Posted by kent wardecke Oct. 17, 2020, 11 a.m. Foundation and basement improvements 2 Responses

Which insulation do I use for interior walls of a framed in bunker?

...existing bunker 6 W x 6L x 8H with sump pump (failed) flooded causing mold. Bayfield, WI. It is being cleaned professionally. It is framed in with wooden studs ...

Posted by Dale Klubertanz March 23, 2021, 10:38 a.m. Insulation and soundproofing 1 Responses

How do you make an airtight house envelope?

...existing house on Long Island and struggling to find knowledgeable professional to make airtight passive house. Luckily I was around to correct below ground ins...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...existing wall insulation. I've opened the wall cavity and plan to use a dense pack cellulose to achieve R-14. The exterior wall is plank sheathing with paper wr...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

What's the difference between EPS and GPS insulation?

...existing basement concrete floor, on top of it. I have very limited head room, no more than 5 ft where there is no pipes on the ceiling. GPS insulation is Graph...

Posted by Ronald Tetrault Feb. 3, 2021, 5:22 p.m. Insulation and soundproofing 1 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

We set in a new 2 pc modular bungalow on our lot in 2009, it is 28' x 42'. It and has an existing Fantech HRV system to provide fresh air and minimize heat los...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

...existing flooring, installed new subfloor with hardwood finish flooring to follow. New insulation and Intello air barrier throughout the underside of the roof a...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

Can you spray foam a house from the outside?

...existing insulation in the walls? What are the risks for vapour build up if we have a mix of plaster and lathe in the older parts of the house, with fiberglass ...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Can you help trouble shoot my Lunos HRV e2 system in my tiny home?

...existing one? Any tips for getting to a unit that's 12' high no place to put a ladder to reach it? (It's above my bed, which is built into the floor and bolted ...

Posted by L Dingwall May 24, 2018, 11:06 p.m. HRV and ERV 2 Responses

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

...existing build and if so, can you give me a rough idea of 800 to 1000 sq. Feet. Thx A solarium or sunroom in a cold climate would be a nice addition of living s...

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

What is the best brand for ductless mini-split HVAC system?

...existing gas forced air heating system with electric ductless mini split system as I'm undergoing a remodel of my home and making all appliances electric. 1) Is...

Posted by Babak K July 12, 2020, 11:22 p.m. Heating and cooling 2 Responses

What is the best way to renovate a basement after a flood?

...existing slab was left in place, other then where it was chipped out to access the drains. We then considered our flooring options for the finished half of the ...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...existing sheathing? At that point you could tape the plywood joints. Then one could seal the edges of the poly to the wall plates and install the Larsen Trusses...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...existing crawl space is 4 ft tall and ventilated to the outside. The crawl space has a concrete floor. I think it would be an excellent place for a passive wine...

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

What options are there for pre fab Passive House kit designs?

...existing strucuture, but I am looking to put in a new Passive House on the property and then work on converting the main structure (with a cement block foundati...

Posted by Kim MacKay Dec. 27, 2019, 3:12 p.m. Planning and Design 1 Responses

Should we renovate or get a Prefab Kit house?

...existing home, which is not exactly eco-friendly what with the amount of waste that would produce, but very much want a more sustainable home. If someone coul...

Posted by Ali Mackenzie Aug. 12, 2020, 7:44 p.m. Concept and design 1 Responses

Which type of exterior insulation to use on a house?

...existing house: Its' in Northern Ontario , Canada. Atikokan to be specific. The house has a brick front (which I won't be adding insulation to) the other ...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses