Fiberglass batts / Discussions

What is the best way to deal with a drop ceiling in a high humidity room?

...fiberglass batts and then plywood subfloor of the outdoor deck. The rigid foam was not sealed (no air barrier) and this portion of the room is below grade and...

Posted by steve Roberts Dec. 24, 2019, 8:01 p.m. Walls and ceilings - interior surfaces 1 Responses

Can you provide Crawlspace Insulation Design Assistance?

...fiberglass batts were installed by a previous owner in the 24" o.c. joist space and secured with wire hangars. The batts are in various states of sagging includ...

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

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

Hi There, I have just finished removing all of the damp, musty (and in a few places moldy) drywall, vapour barrier and fiberglass insulation from the basement ...

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

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

...batts in the cavities before rigid insulation boards, I would go with Rockwool since it handles moisture way better than fiberglass.

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

What do I use in a dropped basement ceiling for soundproofing?

...fiberglass quietZone batts , Rock wool / mineral wool work great for reducing sound transmission, as does hemp insulation , either in batts or sheets. Since it ...

Posted by Melissa Pickett Oct. 10, 2020, 12:19 a.m. Insulation and soundproofing 1 Responses

Can you spray foam a house from the outside?

...fiberglass and interior vapour barrier in the new parts? Yes you could do spray foam if you're removing the sheathing and exposing bare studs (and remove fiberg...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Halo Exterra rigid exterior insulation - has anyone work with it?

...fiberglass batts. This page about choosing between OSB and Plywood for exterior sheathing explains it at greater length, hope that helps. For anyone that has ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 9 Responses

What type of insulation should I put on the exterior of my new home?

...fiberglass batts would not even meet Ontario Building Code anymore. Many regional building codes can get a little complicated and Ontario is no exception, but y...

Posted by Alex Kesheshian April 23, 2020, 12:22 a.m. Wall assemblies - new construction 1 Responses

Can basement walls to dry to the inside with foam board?

...fiberglass batts.

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

Which insulation do I use for interior walls of a framed in bunker?

...fiberglass batts, Rockwool, rigid foam etc. Here is our page on Choosing the right insulation , that will help you understand where each insulation works best n...

Posted by Dale Klubertanz March 23, 2021, 10:38 a.m. Insulation and soundproofing 1 Responses

How do I stop a leak from my attic?

...batts you could lay down a 6 mil poly vapor barrier , seal any penetrations then insulate on top. The problem with the insulation batts blocking the soffits is ...

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

Can a manufactured home be retrofitted with hempcrete?

...batts (Rockwool, fiberglass or hemp batts) so they expand into the space behind. And remember that you need to put struts at the bottom (a support so the insula...

Posted by Chryss James Nov. 19, 2020, 9:06 p.m. Wall assemblies - renovation 1 Responses

What's cheaper for total building costs, slab on grade or basement?

...fiberglass batts and covered with plastic so they stay wet and turn into oatmeal in about a decade. Basements require the building of a subfloor, and means lo...

Posted by tony wolff Dec. 24, 2020, 3:09 p.m. Foundations and Basements 1 Responses

How do you improve an old block foundation with no insulation or exterior moisture barrier?

...batts at the joists - which also are white and showing efflorescence. What can I do to provide some warmth down there and keep moisture from invading my sweet l...

Posted by Wilhelmina Lange March 11, 2021, 4:19 p.m. Foundation and basement improvements 2 Responses

Should I densepack wall cavities prior to exterior insulation?

...fiberglass. But it's starting to seperate from the kraft paper, and the paper itself is starting to fall apart. We would like to replace all the windows and sid...

Posted by Gordon McNair April 13, 2021, 9:21 a.m. Wall assemblies - renovation 3 Responses

Is there anything I can do about a vapor barrier on the wrong side of a basement wall?

...batts between the studs, and covered the whole thing with a poly vapor barrier and then drywall. So the vapor barrier seems to be on the wrong side to allow dry...

Posted by Iain B Feb. 8, 2021, 2:21 p.m. Basements improvements 7 Responses

How do you Insulate a 3 season cottage?

...fiberglass) then a poly vapour barrier, maybe strapping, then drywall. Strapping isn’t absolutely necessary and it will eat up a bit more space. It can help pre...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 4 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...batts and drywall with latex paint. I'd like to do something simple (EPS + plywood) on the concrete floor too. The rest of the house is double brick with minima...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses