Seal / Discussions

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

...seal crawl spaces That should tell you all you need on that topic, and yes, it's best to insulate and protect your crawl space from moisture damage. Here is o...

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

Can you Insulate a cinder block basement foundation with Rockwool?

...sealant and backer rods, and thick sill gaskets underneath the bottom plate of the stud wall. Regarding the smart membrane and how they work – they typically ...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 6 Responses

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

...seal them properly there would be no air leakage. And yes, you are correct that the chimney section that passes through the roof will constitute one of the weak...

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

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

...sealing the floor. There is no moisture only when I put a piece of plastic down. Just want to warm it up a little and keep away any smell. Can you help me. I li...

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

Should I build a basement or slab on grade?

...sealing the envelope properly and probably cut your bills by 75% or more. And about slabs - they are often rejected by those that don't understand the benefits,...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

How do you fix high humidity levels in a basement?

...seal the walls with a spray foam vapor barrier , it will likely continue to absorb moisture from the ground below and release it into the home. And if it is not...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

What is the best way to insulate a home from the outside?

...sealed to the top plate of the exterior walls (with caulking, acoustic seal, tape, etc., your choice), as well as at the bottom plate, around all your windows, ...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

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

...seal 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 li...

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

Can you install foam boards directly against basement walls?

...seal them up - before and after readings on the humidity were like night and day, and the temperature with zero additional heat in the basement. ...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 15 Responses

How do I get rid of carpenter ants?

...seal any cracks. • Caulk around doors and windows to block their entry points and prevent air leakage. Install mosquito nets at any openings like dryer vents ...

Posted by Shawn B Nov. 14, 2017, 10:27 a.m. Pest control 1 Responses

Alternativ for Garage Epoxy - Considering both look & economically?

...sealer that is non-toxic and durable would be silicate densifier sealers, see more here – How to seal and polish concrete floors with non toxic silicate densi...

Posted by Kamatchi Kavi Feb. 21, 2021, 7:58 p.m. Paints, finishes and natural coatings 4 Responses

What is the best way to install basement insulation with existing framing?

...sealed home where people are living due to the potential for off-gassing and causing health problems, as well as the fact that anything that spray foam is adher...

Posted by Nick Trotta Sept. 20, 2021, 8:29 p.m. Foundation and basement improvements 7 Responses

What do I in my basement where new insulation meets old?

...seal them with acoustic seal. The acoustic seal can be messy to deal with but it really works well and stays flexible. We always prefer EPS foam boards since ...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

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

...seal? Is there a prescribed depth for this? And a follow up question... Is one 4" PVC pipe enough for a 1500 sq ft footprint or should multiple pipes be laid ...

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

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

...seal is going to cost dearly, so there are a few things I would do first to prevent heat loss , air leakage , moisture damage and mold . This page here will hav...

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

What are the most cost-effective green building strategies in new home construction?

...sealing of the envelope – Absolutely, make a home as well-sealed as you can and let your ventilation equipment do their job. A poor air barrier and lots of air ...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...seal them to each other and moisture can rise up through the joints and cause the OSB to rot. It’s not a terrible product to use, but I’d first put one full she...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

What is the best way to insulate the basement of an old house?

...seal against soil gas. As for the top of the wall, how were you going to insulate the rim joists? Spray foam is an option for there (it’s not necessarily the ...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 Responses