| 2014-07-25 16:43:59 | BUILDING PROVISO: |
| | 2010 FBC-B 2509.2 BASE FOR TILE. |
| | GLASS MAT WATER-RESISTANT GYPSUM BACKING PANELS, |
| | DISCRETE NONASBESTOS FIBER-CEMENT INTERIOR SUBSTRATE |
| | SHEETS OR NONASBESTOS FIBER-MAT REINFORCED CEMENT |
| | SUBSTRATE SHEETS IN COMPLIANCE WITH ASTM C 1178, C 1288 |
| | OR C 1325 AND INSTALLED IN ACCORDANCE WITH MANUFACTURER |
| | RECOMMENDATIONS SHALL BE USED AS A BASE FOR WALL TILE |
| | IN TUB AND SHOWER AREAS AND WALL AND CEILING PANELS IN |
| | SHOWER AREAS. WATER-RESISTANT GYPSUM BACKING BOARD |
| | SHALL BE USED AS A BASE FOR TILE IN WATER CLOSET |
| | COMPARTMENT WALLS WHEN INSTALLED IN ACCORDANCE WITH |
| | GA-216 OR ASTM C 840 AND MANUFACTURER RECOMMENDATIONS. |
| | REGULAR GYPSUM WALLBOARD IS PERMITTED UNDER TILE OR |
| | WALL PANELS IN OTHER WALL AND CEILING AREAS WHEN |
| | INSTALLED IN ACCORDANCE WITH GA-216 OR ASTM C 840. |
| | 2509.3 LIMITATIONS. |
| | WATER-RESISTANT GYPSUM BACKING BOARD SHALL NOT BE USED |
| | IN THE FOLLOWING LOCATIONS: |
| | 1. OVER A VAPOR RETARDER IN SHOWER OR BATHTUB |
| | COMPARTMENTS. |
| | 2. WHERE THERE WILL BE DIRECT EXPOSURE TO WATER OR IN |
| | AREAS SUBJECT TO CONTINUOUS HIGH HUMIDITY. |
| | 3. ON CEILINGS WHERE FRAME SPACING EXCEEDS 12 INCHES |
| | (305 MM) O.C. FOR 1/2-INCH-THICK (12.7 MM) |
| | WATER-RESISTANT GYPSUM BACKING BOARD AND MORE THAN 16 |
| | INCHES (406 MM) O.C. FOR 5/8-INCH-THICK (15.9 MM) |
| | WATER-RESISTANT GYPSUM BACKING BOARD. |
| | |
| | JAMES A. WITMER CBO |
| | SENIOR COMMERCIAL COMBINATION PLANS EXAMINER |
| | TEL: 561-805-6715 |
| | FAX: 561-805-6676 |
| | E-MAIL: [email protected] |
| | |
