Mould / Discussions

Where can I find non-toxic outdoor material to use for carcuses for BBQ joinery?

...mould proof and able to be used as shelving

Posted by Ros Young Jan. 7, 2020, 6:47 p.m. 0 Responses

How do you prevent walls from rotting in humid climates?

...mould, as other neighbors (a professional builder) who used plastic Vapour barrier have had mould show up in less than 2 years on his north wall. How can we avo...

Posted by Rose Alderson Nov. 5, 2018, 4:34 p.m. Wall assemblies - new construction 1 Responses

How to fix condensation on ceilings?

...mould growth on the plywood at the underside of the roof. We spent $20,000 in mould abatement, new aluminum soffits, extra shutes for ventilation, and all new i...

Posted by Jessica Sadler Nov. 13, 2019, 11:48 a.m. Walls and Roofs 1 Responses

How should I insulate basement Walls in climate zone 5?

I live in climate zone 5 in USA and plan to frame basement walls roughly 3” away from concrete and then place mineral wool between the studs. I do not plan to ...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

What causes moisture on a ceiling in winter?

I bought a duplex that was built in 1978 in Indiana. It gets moisture on ceiling so bad during winter when temps drop below 20 degrees that it will run down th...

Posted by Cheri Banet Jan. 23, 2020, 10:22 p.m. Wall assemblies - renovation 1 Responses

How do I waterproof a foundation from the inside?

We have a self-adhesive membrane on the outside wall of our foundation but the water enters through the joint between the walls and the floor. How can I waterp...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses

How do you install a ground loop for an HRV?

...mould (or 'mold' for US readers) can form and introduce mould spores right into your ventilation system. There are some people that swear by ground loops and ...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

How do you insulated a crawlspace with dirt floor?

We have a cottage with a crawl space near Halliburton, Ontario,Canada. It has a solid block perimeter but has a dirt floor. Also, there is a very large rock un...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 1 Responses

Does hydronic radiant cooling work?

Has hydronic radiant cooling advanced enough to be a viable, cost effective option for an average 2300 sq ft residential house? Hydronic radiant cooling can be...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

How do you get rid of mold in a bathroom?

There are mold stains on the ceiling of my bathroom, spots about 1 cm in diameter each). I would like to know which non-toxic product I can use to remove them....

Posted by Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

I have a crawlspace with 4' concrete walls and a cement floor, insulation between the floor joists and has 3 - vents to the outside. I am thinking of 1" foam b...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

How do you insulate a crawlspace?

I live in Northern Ontario in a house converted from a cottage, it has a 20 'X 20' crawlspace with floor joists at about 24" on center. I put 6 mm polythene on...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

Is Condensation on Windows a bad sign?

Since the recent cold snap our double glazed windows are running with water, every morning it's all over the window sills, running down the wall - in the bathr...

Posted by Greg Olmstead Dec. 12, 2019, 6:21 a.m. Walls and Roofs 1 Responses

How do you build a mold-free basement in a new construction house?

I have a new construction project where one floor is subgrade. It has a cement wall on three sides that the contractor insured me was prepared to be mold resis...

Posted by Charmaine Herzig Feb. 10, 2020, 7:32 p.m. Basements improvements 2 Responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

We have a concrete basement in decent condition that's about 20 years old in Boulder CO and having had mitigation installed for high radon levels we now want t...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 Responses

How do you prevent mold in a finished basement?

We had a water leak in our basement earlier this year and when the contractors started pulling off damaged drywall we were disgusted to find that our basement ...

Posted by Brian Cole Nov. 22, 2019, 10:22 a.m. Basements improvements 1 Responses

My basement is smelly and humid, what can I do about that?

I live in Sudbury Canada in a 1959 bungalow and the basement is always humid and the dehumidifier runs constantly. It also costs a fortune to heat. I was advis...

Posted by Jeff O. Feb. 8, 2017, 10:22 a.m. Foundation and basement improvements 2 Responses

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

It's a fairly new house (about a year old). The concrete basement foundation walls are framed (wood), insulated, sealed with a plastic vapor barrier, but not d...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 2 Responses