Risk / Discussions

Is there any risk to a concrete foundation from adding interior insulation?

...risk carrying out the insulation work you are planning if it's deemed safe enough to insulate. I can't see a few more degrees making much of a difference. But...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

What's the best detector & alarm for a back flow valve that has been installed by the utility?

...risk of sewage from inside overflowing in basement. Sewer line (Naturally) is below grade and not readily accessible. There is a drain with P trap subject to co...

Posted by Tom Poe March 27, 2020, 6:38 p.m. Basements improvements 1 Responses

Will evacuated thermal solar tubes work for a greenhouse in winter?

...risk of fire or electricity required (winter doesnt have much sun for solar panels) could you tell me if and how this would work, price and what equipment i wou...

Posted by Solus Lee Una Feb. 22, 2021, 6:09 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

Why do my radiators make a crackling sound?

...risk, thanks. Electric baseboard heaters often make cracking noises, for example when they are turned on after a long shutdown, or simply when they start heatin...

Posted by Heather Baird Dec. 11, 2017, 1:48 p.m. Heating with electricity 2 Responses

Can you put a fireplace in a hyper sealed plastic wrapped A rated home?

...risk to your health for example carbon monoxide poisoning or simply lack of air. will your fireplace even start? The more airtight a home is the better for perf...

Posted by Kerry Forides Sept. 24, 2020, 2:46 a.m. Wood stove and biomass heat 2 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

...risk from water penetration? How much benefit would we get from just insulating attic area and crawl space? We were going to install cold weather heat pumps and...

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...risk the slab being affected by frost heaves. We are also planning to polish and finish the concrete flooring as our finished floor so keeping it in good condit...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

What's cheaper for total building costs, slab on grade or basement?

...risk of flooding, because – if you dig a hole, nature will try to fill it. That’s just the reality of this world. You can do your best to mitigate the risk of b...

Posted by tony wolff Dec. 24, 2020, 3:09 p.m. Foundations and Basements 1 Responses

What type of batting insulation is best for kids rooms that are being remodeled?

...risk that homes will now be at risk of damage to mortar from the annual freeze / thaw cycle. If the mortar between stones is not in great condition, then you ...

Posted by HyungMi Kook Oct. 14, 2021, 8:27 a.m. Insulation and soundproofing 1 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...risk of there being an air convection behind the insulation which could increase the risk of mold forming, and also lead to heat loss. Best to put it right ag...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...risk of condensing. You definitely need some form or vapor barrier or vapor retarder, perhaps a ‘smart’ membrane. The following video explains fairly simply how...

Posted by Michael Klauck March 6, 2020, 1:24 p.m. Air and vapour barriers 1 Responses

Does a low radon air reading necessarily = low radon in well water?

...risk of acquiring a radon-related diease through ingested radon is significantly less than through an air-borne source, despite the fact that our water may (as ...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 Responses

Can you help me decide between a foundation, slab on grade and crawlspace?

...risk of highwater tables and if you are building on or near a floodplain . A slab would for sure be the safest route, since crawlspaces also invite the same ris...

Posted by David Davenport Nov. 26, 2018, 12:57 a.m. New foundations and slab-on-grade 1 Responses

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...risk with the reversed vapour drive as walls. So you may be best to stick with a poly vapour barrier, it can often be tough to get a building inspector to sig...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

How do you re-do the insulation on a old cabin from the outside?

...risks ? Thanks ! Yeah, There is a big risk of mold the way you describe it . A vapor barrier needs to be installed on the warm side of the insulation . Puttin...

Posted by Raphael Couture Sept. 14, 2020, 8 a.m. Wall assemblies - renovation 3 Responses

How do you attach steps to slab on grade insulation?

...risk. Legalett products are available all across North America if they are of interest, but to clear it up a bit - there is no risk to interal air quality wit...

Posted by Mary Alm Dec. 2, 2021, 11:24 a.m. Slab on Grade 3 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...risk there is of the foundation cracking if you insulate. Wow, thanks for the guidance! Foam insulation risks on stone walls... Also drying? There's no capillar...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

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

...risk. A slab on grade house on high ground will safeguard your home against extreme weather events in a changing climate . If you do choose to go with a basem...

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