Leak / Discussions

How do know if I have a gas leak ? It's a ventless heater

...leak. I can't help you with how to go about it, its a matter of personal safety. Gas leaks will smell like rotten eggs, which comes from an additive put into ga...

Posted by Margherita Sewell Jan. 29, 2021, 4:59 a.m. Healthy indoor air quality 1 Responses

How do I stop a leak from my attic?

...leaked water. I had removed snow from the roof a week earlier, and didnt see much ice.. certainly not ridges or buildup. The occupants use a humidifier three ...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

What is the best way to do Stucco/E.I.F.S exterior window wraps?

...leaks is left up to the installer, there is no certification that we know of. There are different ways to install windows that work, so one would hope that a wi...

Posted by Pat Estes July 17, 2020, 11:50 a.m. Windows and doors 1 Responses

Is There a Difference Between an Air Barrier and vapor barrier?

...leaks. And think of it more as limiting air leakage rather than stopping it, even the highest quality brand new home will still leak air, it’s a fact of life. I...

Posted by Sherri Mccormick Aug. 17, 2018, 3:24 p.m. Roof assemblies - renovation 3 Responses

How do you stop wood stove smoke from entering a home?

...leak. Using an air purifier, but wondering if air exchange would help. Home is pretty air tight, built in Maine in 1986. Humidity is 50 per cent or less. Don't ...

Posted by Don Leaver March 24, 2020, 10:49 a.m. Wood stove and biomass heat 4 Responses

How do you prevent mold in a finished basement?

...leak in our basement earlier this year and when the contractors started pulling off damaged drywall we were disgusted to find that our basement wall framing was...

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

What are the factors I should consider for choosing between a slab on grade and basement?

...leak in the drains, how would you ever know? 3. What about a hybrid - we don't need a full basement, what are the implications of having half of the footprint...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

Should I replace my geothermal system with a gas boiler?

...leak down in the well. We called ClimateMaster to get their input, what we heard back from their tech support was that if water is leaking into the refrigeran...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...leakage I couldn't tame on the inside with a good exterior wrap. I am also aware of the slight danger in tightening up the house to the point where the leaks ...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

What is causing my foundation wall to sweat?

...leak finding a meandering path through your walls to the basement, though that is less likely. Here is our page on how to insulate crawlspaces properly , that m...

Posted by Jason Duncan Oct. 1, 2021, 8:27 a.m. Basements improvements 1 Responses

How do you fix ice dams and crawl space insulation in historic homes?

...leak from a conditioned space into the attic. In my case the previous owner removed the furnace and the chimney but left the pipe between the heated crawl space...

Posted by Faith K Feb. 26, 2021, 1:43 p.m. Roof assemblies - renovation 2 Responses

Why is there condensation behind my vapor barrier?

...leak? Was it new lumber you framed the walls with and was it wet? Any chance the Rockwool batts got wet? What is the inside-to-out wall assembly, can the wall d...

Posted by John Young Oct. 11, 2021, 4:50 p.m. Wall assemblies - new construction 1 Responses

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...leak in on the lower levels and leak out on the upper levels, and as warm humid air leaks out, it condenses and freezes. Air may be coming in through the base...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 2 Responses

How do you seal windows from the exterior for water and air but not create a vapor seal?

...leaks, as warm humid air leaking out in winter will deposit moisture in that very spot you are concerned about. Again, that’s why we are more confident in the t...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

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

...leakage. And yes, you are correct that the chimney section that passes through the roof will constitute one of the weaker points in your envelope, but it will n...

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

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

...leakproof & sealed logs with thermal battery adjustment. i suppose the R value is about 11? Feels little but I fear I'm missing eg how it behaves in warm weathe...

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

What is the best exterior insulation to put over existing double brick?

...leak much air, but it really depends on the condition. Adding an air barrier is not a bad idea, but again I would suggest using something as vapor permeable as ...

Posted by Andrew T July 19, 2021, 8:19 p.m. Wall assemblies - renovation 1 Responses

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...leak in the bottom of a home and leak out the top, so if air from the attic is leaking down into the conditioned space then your home may be depressurized due t...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 4 Responses