Existing / Discussions

What is your experience and thoughts on pre-fab wall assemblies?

...existing house that will be demolished once the new build is finished. Regarding budget - we are looking for the best mix of performance, ease of installation, ...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Should I install basement drain tile vents?

...existing wall with condensation issues? A floor drain will in no way prevent mold due to condensation inside walls, the only way to do that would be strip the w...

Posted by gary taube Dec. 11, 2019, 10:14 p.m. Foundation and basement improvements 3 Responses

How do you install rigid insulation to the outside of a brick house"

...existing situation – If I understand, you probably have a total of 5.5” inches of insulation by adding 2x2’s to old 2x4s (which are probably a true 4 inches rat...

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

What considerations should be made when installing a green roof on a metal building?

...existing structure could handle. You could check with the municipal building department and they may be able to offer more advice than us.

Posted by Nina Flores Feb. 16, 2020, 4:57 p.m. Roof coverings 3 Responses

Which radiant floor heat is best?

...existing floor then electric mats are for sure the cheapest option. The air heated floor by Legalett is more for new builds. Legalett supplies engineered slab...

Posted by tony wolff Dec. 25, 2020, 1:22 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

How do you know when its time to replace windows?

...existing ones. Except with very old and badly damaged windows on a house that is otherwise in very good shape, the odds are you will not recoup an investment ...

Posted by Ted Dec. 11, 2017, 12:50 p.m. Windows and doors 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...existing plywood if its still in good shape, or to keep animals out entirely you could lattice or diamond lathe metal around perimeter. Let me know if I misunde...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

Is it not structurally dangerous to smash a concrete floor for a drain?

...existing concrete floor. Most older basements have very limited head room and owners are often reluctant to lower it even more by adding insulation to the floor...

Posted by t b March 2, 2021, 3:18 p.m. Waterproofing and drainage 2 Responses

How can I insulated the outside walls of a workshop without doing harm?

...existing wall can still be pretty cold. Adding thicker foam changes everything because your 2x4 wall will stay warmer, and that vapour barrier would stop bein...

Posted by Charley Nelson Aug. 27, 2021, 9:28 a.m. Wall assemblies - renovation 3 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...existing sheathing? At that point you could tape the plywood joints. Then you could seal the edges of the poly to the plates and install the Larsen trusses. I...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

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

...existing walls because it doesn’t trap moisture and it isn’t negatively affected by it. So where exactly are you building? And are you stripping all the insul...

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