WEIGHT OF CELLULOSE INSULATION BLOWN-IN OVER …

There is currently about 2.5 inches of cellulose in the attic and we would like to get the R-value to R-39. ... In response to your question regarding the 1/2" sheet rock and the weight of the cellulose insulation. 1/2" sheet rock on a 24" on-center trussed ceiling is considered standard by today's building standards. ................
................