| Duration |
Fire Protection Method |
| Exposed Grid Acoustical Material |
Gypsum Wallboard |
Sprayed Cementitious Mixture |
Sprayed Fiber |
| 1 Hour |
P225 P230 P259 |
P504/510* P510 P514 |
P701 P710 P713 P717 P718 P
719 P720 P722 P723 P724 P825 P727 P728 P729 P730 P732 |
P801 P803 P814 P815 P817 P818
P819 P823 P825 |
| 1-1/2 Hours |
P225 P230 P259 |
P510 P514 |
P701 P713 P717 P718 P719 P720
P722 P723 P724 P725 P727 P728 P729 P730 P732 |
P801 P803 P814 P815 P817 P818
P819 P823 P825 |
| 2 Hours |
NONE |
P514 |
P701 P713 P717 P718 P719 P722
P723 P724 P725 P727 P728 P729 P730 P732 |
P801 P815 P817 P818 P819 P825 |
| 3 Hours |
NONE |
NONE |
P713 P719 P722 P727 P730 P732 |
NONE |
| * The Ceiling
construction in P504 is approved for use with the roof deck
construction in P510. |