Sealing / Discussions

Do you have recommendations for radon sealing basement concrete & installing new flooring?

Hello, I am looking for guidance on two issues related to preparing an exisiting basement concrete slab for new flooring with regards to both radon mitigation ...

Posted by M N Sept. 1, 2020, 2:20 p.m. Basements improvements 1 Responses

Is sealing basement concrete floor against radon a good idea?

...sealing my floor is worth it and what the general thoughts are regarding sealing bare concrete? It is always wise to check a home for radon gas contamination an...

Posted by Tim Hanrahan Sept. 18, 2020, 3:11 a.m. Radon in Homes - Mitigation 3 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

Spray Foam for basements, which of the different types are best environmentally?

...sealing CMU basement walls and floor in northern California. We want to do this basement conversion as sustainably as possible with good air quality and there s...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

What is the best way to insulate rim joists with EPS and batts?

...Sealing & batting first, then 2" EPS. EPS continues vertically straight from slab to below subfloor. I have a 2-storey brick home (35 yrs old). My basement wa...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

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

...sealing of the envelope “correct” type of windows (thermal conductance, transmittance, solar gain, etc.) Eliminating thermal bridging Efficient lighting ...

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

How do I insulate my half below grade basement?

...sealing. But dry dry dry inside. I like the idea of the 2" XPS with 4" studs and roxul insulation to give around r24 (local code). This is expensive and I'm n...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

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

...sealing, and different vapour methods and insulation types? (Old Poly vapour sheet and fibreglass insulation vs new Rockwool and EPS) How do address the areas...

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

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

Hi: I am stripping a 150 yr old timber of its 3 layers of siding and re-insulating and leak-sealing the exposed cavities from the outside. I will be re-sheathi...

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

Basement reno - How do I effectively insulate my basement?

...sealing the seams (PL300 and vapour tape): Should I then proceed with installing the DMX dryflow underlayment +(3/4" eps?) +OSB floor, then build the external/i...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

Where can I find supplies for a green roof?

...sealing like we did in that video, and you don’t wear golf shoes while doing it a put a bunch of holes in it, there is no reason why it shouldn’t work. In tha...

Posted by Nadia Naderi Oct. 8, 2020, 6:38 p.m. Roof coverings 1 Responses

How do you seal up an old fireplace chimney?

...Sealing up an unused brick fireplace chimney will save money on your heating bills and increase your comfort level at home.In addition to letting in cold, these...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

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

...sealing a home, its very much worth the extra money it costs to get a better tape.

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

What is the best way to renovate a basement after a flood?

...sealing the floor, I would recommend a silicate densifier. It would make for a very durable and completely non-toxic floor, you can read more about it here . ...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses

Can you provide Crawlspace Insulation Design Assistance?

...sealing the walls as well. I have a couple of questions for you, what climate zone do you live in by the way? Even just the state or the city is fine, that will...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 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

What is the process to seal a house using Aero barrier spray?

...sealing spray When a house is pressurized, the fine particles of the Aerobarrier spray are forced out any holes in the building envelope, to which they adhere...

Posted by Santiago Pacheco Feb. 13, 2020, 11:06 a.m. Air and vapour barriers 3 Responses

I have many issues with my house where should I start?

...sealing it, that is a very wise idea. You could have a blower test performed to see how leaky the house is, that can also help you pinpoint any breaches in your...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses