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What is the best way to insulate the basement of an old house?
Posted by Bryan Squirrell Jan. 14, 2020 Basements improvements 1 response

Combo structural sheathing, WRB and thin insulation panel in Ontario?
Posted by Steve Bull Jan. 14, 2020 Walls and Roofs 3 responses

What is the best foam board insulation under drywall?
Posted by Wesley Pracht Jan. 11, 2020 Wall assemblies - renovation 3 responses

What is the best choice for me, HRV or ERV?
Posted by John Oakes Jan. 10, 2020 HRV and ERV 1 response

Where can I find caulking and adhesives without antimicrobial (biocides) chemicals?
Posted by Riki Luri Jan. 10, 2020 Healthy indoor air quality 1 response

Spray Foam for basements, which of the different types are best environmentally?
Posted by Amélie Pearson Jan. 9, 2020 Insulation and soundproofing 1 response

Do we have the option to build to meet the reqs. of the Living Building Challenge?
Posted by Lydia Singh Jan. 8, 2020 Green building certifications 4 responses

What is the best way to insulate embedded joists in a basement Montreal Home?
Posted by Emil Idf Jan. 7, 2020 Foundation and basement improvements 1 response

What is the best way to insulate a 1780 brick federal with stone foundation in New York?
Posted by carole roseman Jan. 5, 2020 Foundation and basement improvements 1 response

Does a low radon air reading necessarily = low radon in well water?
Posted by Steve Bull Jan. 4, 2020 Radon in Homes - Mitigation 5 responses

Do you have an engineer directory for slab on grade designers?
Posted by Paul Giusto Dec. 30, 2019 Slab on Grade 1 response

What options are there for pre fab Passive House kit designs?
Posted by Kim MacKay Dec. 27, 2019 Planning and Design 1 response

What is the best way to deal with a drop ceiling in a high humidity room?
Posted by steve Roberts Dec. 24, 2019 Walls and ceilings - interior surfaces 1 response

Can you use Foam boards on basement walls to stop condensation?
Posted by Chad Johnson Dec. 21, 2019 Basements improvements 3 responses

Can hydronic radiant heating be a complete heating solution for a home?
Posted by Jeremy Peters Dec. 16, 2019 Delivery: radiant, forced-air and decentralized 3 responses

Can I purchase XPS made with HFOs?
Posted by Kate Noblio Dec. 14, 2019 Insulation and soundproofing 3 responses

How do you install rigid insulation to the outside of a brick house"
Posted by Gordon CASWELL Dec. 13, 2019 Wall assemblies - renovation 1 response

Is Condensation on Windows a bad sign?
Posted by Greg Olmstead Dec. 12, 2019 Walls and Roofs 1 response