1203 2 Attic Spaces
Fbc section 1203 2 continued ventilation attic spaces.
1203 2 attic spaces. Openings for ventilation having a least dimension of not less than 1 16. Attic spaces designed by a florida licensed engineer or registered architect to eliminate the attic venting. Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof framing members shall have cross ventilation for each separate space by ventilation openings protected against the entrance of rain and snow. Exterior openings into the attic space of any building intended for human occupancy shall be protected to prevent the entry of birds squirrels rodents snakes and other similar creatures.
The example below uses this exception and the calculation is based on a 100 x120 building with a hip roof and 2 overhangs on all sides. Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof framing members shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain and snow. Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof framing members shall have cross ventila tion for each separate space by ventilation openings protected against the entrance of rain and snow. Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof framing members shall have cross ventilation for each separate space by ventilation openings protected against the entrance of rain and snow.
Below the ridge or highest point of the space shall be permitted. International building code 1203 2 attic spaces. Fbc section 1203 2 newer studies newer ashrae studies have found that the practice of attic ventilation to be detrimental to structures in warm humid climates.