Helpful? 0

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 Sat, 11/17/2012 - 13:39
Edited Sun, 11/18/2012 - 07:32

Tags:

1 Answer

Select your preferred way to display the comments and click "Save settings" to activate your changes.
1.
Helpful? 0

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 Sun, 11/18/2012 - 07:26

Other Questions in Green building techniques

Air Scrubber Plus

In Mechanicals | Asked by Shaun Kennedy | Sep 11, 14

What is the best detail at a slab on grade pour through to insulate the slab?

In GBA Pro help | Asked by David A Flannery | Sep 23, 14

Improving R value of 2x4 wall in renovation with interior foam board...

In Energy efficiency and durability | Asked by Eric Nash | Sep 23, 14

Proper Way to insulate an old attic

In Energy efficiency and durability | Asked by Justin Lee | Sep 23, 14
Register for a free account and join the conversation


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