Attic Draftstopping Residential

Exit enclosure doors sprinklers delete the maximum transmitted temperature end point for door assemblies.

Attic draftstopping residential.

Sprinklers eliminate the requirement for draftstopping in attics and concealed spaces at 3 000 sq ft. A well ventilated home is drier healthier and more comfortable. 718 4 3 nfpa 13. Draftstopping is required in concealed spaces in type v combustible construction to subdivide attic spaces.

About california ventilation building codes. Draft stops shall be installed in trussed roofs between roof and bottom chord of trusses in all buildings exceeding twenty thousand square feet 20 000 sq. Sprinklerdesigner 2 where s number 1 issue is clearly addressed in the ibc. In combustible construction draftstopping shall be installed to subdivide attic spaces and concealed roof spaces in the locations prescribed in sections 718 4 2 and 718 4 3.

The ibc in residential multi family occupancies less than 4 stories in height does not require sprinklers in the attic. Sprinklers eliminate the requirement for draftstopping at 1 000 sq ft in floor ceiling assembly 718 3 3 nfpa 13. Draftstopping shall be provided in attics mansards overhangs or other concealed roof spaces of group r 2 buildings with three or more dwelling. Los angeles building code 7 fire and smoke protection features 718 concealed spaces 718 4 draftstopping in attics 718 4 2 groups r 1 and r 2.

Draftstopping shall be provided in floor ceiling spaces in group r 1 buildings in group r 2 buildings with three or more dwelling units in group r 3 buildings with two dwelling units and in group r 4 buildings. Ft of floor area. Where the attic is fully equipped with an automatic fire extinguishing system the divided horizontal area may be tripled. Draftstopping shall be located above and in line with the dwelling unit and sleeping unit separations.

Ventilation of concealed roof spaces shall be maintained in accordance with section 1203 2.