Vent / Discussions

How you vent a metal roof?

...ventilation as you mention - make sure air can flow and water can drain right below the metal. We don't have a dedicated page I can reference, but here is our p...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

In the winter should you heat a low/dirt floor crawl space with a furnace vent?

...vent mold . But heating a dirt floor crawlspace without taking any steps towards insulating the crawlspace and creating an air seal is going to cost dearly, so ...

Posted by janis hobson Dec. 11, 2019, 3:17 p.m. Crawl spaces 1 Responses

Wood Burning Stove - Do We Need A Cold Air Vent to Safely Operate?

...vent that can not be closed or be covered up, i.e. permanently open and venting to the outside of the home. The vent should also be located in a place where the...

Posted by Regina Vigil Feb. 15, 2021, 3:11 p.m. Wood stove and biomass heat 2 Responses

Should I vent the space between a block wall and vapor barrier?

...vent mold when renovating basements , which may be of value to you anyway. In that article you will also see a photo of a block wall with rotted bottom plates...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

How do you insulate a cathedral ceiling?

...vent or not to vent a cathedral ceiling. I'm leaning towards not venting my cathedral ceiling and using closed-cell spray foam insulation. My walls are double...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

Is installing a venting skylight to release hot air from my a home a good idea?

...vent out the hot air and draw in the cooler night are thru open windows. Is it a good idea to use a venting skylight or someother similar vent product to accomp...

Posted by Fred Velsen Aug. 28, 2021, 11:10 a.m. Ventilation 1 Responses

How do you do Radon mitigation when with insulating and ventilating a crawlspace?

...vent power fan attached to a humidistat but shut it off and covered the vent when the weather got cold. I don't know if I should continue with trying to encap...

Posted by Cathy Gaskins Feb. 17, 2021, 3:46 p.m. Radon in Homes - Mitigation 1 Responses

What is the best way to reduce humidity in a basement?

...vent is fully sealed, there is no actual ventilation in the basement apart from the drafts. There is a sink, the hot water tank with drain off and furnace, and ...

Posted by Robert J. Pierson Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How do I stop a leak from my attic?

...vent, and wiring, insulate the bathroom vent. Any thoughts? Frost buildup in an attic is a result of moisture that can’t escape, and that is caused by the ins...

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

Should an HRV to ERV be the primary exhaust for bathrooms?

...ventilating enough? As for your electrical bills I find it a bit unusual that they spiked when ventilation equipment was running less frequently; that would n...

Posted by Doris Friesen Dec. 30, 2020, 1:10 p.m. HRV and ERV 1 Responses

What is the best way to do a cottage reno adding an insulation blanket?

...Vent SA or similar) and then add 2" of EPS and then vertically strap for Rain screen and put vinyl or wood siding on top. My question is whether I should be rem...

Posted by Barton Rowe Feb. 28, 2021, 1:27 p.m. Wall assemblies - renovation 2 Responses

How do you insulate an attic in Victorian House in Massachusetts?

...vent because there are no soffits to provide intake. He suggested I get gravity vents. I’m considering adding 4 Gravity Vents: two installed at the highest po...

Posted by dan sagalyn Dec. 5, 2020, 11:30 p.m. Roof assemblies - renovation 0 Responses

What is the best way to insulate a Multi-material wall?

...vent. I have removed all the wood forms and also plan to add at least 2" of EPS to the concrete ceiling and mineral wool. My cold room is a small 6' x 6' space....

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

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

...Vent SA wrap, at $569 per 561 sq. ft rolls. Is that the typical price? Alternatives: Henry Blueskin VP-100 wrap is $239 per 400 sq. ft and has perm rating of 33...

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

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

...ventilation with the typical vent fans in the bathrooms and hood in the kitchen. I'm considering the Lunos e2 and eGo systems...anything else I should be lookin...

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

What is the best material to use on top of plywood for water proofing?

...Vent SA from Cosella-Dörken) is the best way to go for optimal outcome? Any tips on which materials to use? Plywood thickness, tape or fluid-applied gun, which ...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

How do you lower high radon levels in a basement?

I have a house to sell, I already have contract. we stayed 13 years in that home with full finished basement. In Radon test result is 7.5pCi/L . What should we...

Posted by Uma Parekh May 22, 2020, 11:54 a.m. Healthy indoor air quality 1 Responses

Should I bother testing for radon in a gutted and uninsulated house?

...ventilation going on. We always recommend testing for radon gas contamination in homes as it is a significant health risk if levels are elevated. For sure you w...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses