0 Helpful?

How much blown-in cellulose can you put on top of a 5/8" drywall ceiling?

I have trusses on 24 inch centers and plan on at least 12 inches of cellulose. When do you have to use something stronger like OSB and how is it finished?

Asked by larry ogden
Posted Nov 17, 2012 1:39 PM ET
Edited Nov 18, 2012 7:32 AM ET

Tags:

1 Answer

Select your preferred way to display the comments and click "Save settings" to activate your changes.
1.

Larry,
For a detailed discussion of your question, see Is 5/8 drywall sufficient to support R-60 cellulose in a ceiling?

Answered by Martin Holladay, GBA Advisor
Posted Nov 18, 2012 7:26 AM ET

Other Questions in Green building techniques

Floor Slab: Is a Vapor Barrier Needed with Rigid Foam?

In Green building techniques | Asked by Peter L | Apr 18, 15

Request for comments on this wall mock-up.

In General questions | Asked by Chuck Jensen | Apr 18, 15

Densglass & Stucco

In Green building techniques | Asked by Peter L | Apr 19, 15

Do I need to use concrete screws for plywood over an insulated floor?

In GBA Pro help | Asked by Rita Erskine | Apr 17, 15

Laying out mini-splits for a new home

In Mechanicals | Asked by Terry | Apr 17, 15
Register for a free account and join the conversation


Get a free account and join the conversation!
Become a GBA PRO!