9" Batt Insulation

QUESTION
Trying to estimate dead load for 9" Batt insulation for an existing roof framing analysis. What would be a good reference to use to come up with a good estimate?

REPLIES

dik
Approximately less than 1.5 psf for the full thickness.

Here is the Owens Corning documentation:

SOURCE
https://www.eng-tips.com/viewthread.cfm?qid=440053
Above is a snippet.

@dik, Thank you for pointing them to the documentation.