Return to the Home Repair Forum | Post a Follow-Up

 o
Insulation Advice!

Posted by gabethan (My Page) on
Sun, Mar 23, 14 at 10:44

1. Subfloor - We gutted an old home and have been repeatedly advised to somehow insulate our underneath our subfloor. One suggestion was to use foam under the crawl space. Any advice??

2. Cellulose vs Foam - I'm trying to decide which one. Any reason not to use one or the other?


Follow-Up Postings:

 o
RE: Insulation Advice!

If the subfloor/floor sheathing is still in place cellulose would need an encasement membrane installed to keep it in the joist bays.

Fiberglass batts have, as a normal function of their installation, splay wires as a retainer.


 o
RE: Insulation Advice!

Consider rigid panels as well. I was looking for a study by LSU comparing rigid panels to spray foam. I can't find it. maybe you will have better luck. Check out these links:

http://www.lsuagcenter.com/nr/rdonlyres/a787749c-0a32-4595-bf30-8b05d548518f/96454/sprayfoamatticshvacandmoisture.pdf

http://www.lsuagcenter.com/nr/rdonlyres/d33f711d-dc4b-4e4c-9ed6-a97dce9db026/79805/pub3187insulatingraisedfloorslowres.pdf


 o
RE: Insulation Advice!

How much room do you have to work underneath the floor? That would affect what I would choose to install.


 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!


Return to the Home Repair Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.


Learn more about in-text links on this page here