Attic Draftstop Access Door Type R302

The only place i can see where attic draftstops are referenced in the crc is at section r302 3 for two family dwellings.

Attic draftstop access door type r302.

The ba drd access door is not insulated. 24 x 48 36 x 36. As per ul standards once the installation is complete and the provided springs installed this door will be self. Under the 2010 crc is attic draftstopping required under cbc 717 4 sfr attic areas 3000 sf would require it.

24 x 60 36 x 48. It comes with a 1 flange for an easy flush installation on any type of surface material. Babcock davis warrants all access doors to be free from manufacturing defects in materials factory finishes and workmanship for a period of one 1 year from the date of shipment. Floor framing is constructed of truss type open web or perforated members.

As per ul standards once the installation is complete and the provided springs installed this door will be self closing and self locking. The nystrom draft stop door is a non rated access door designed to provide access through vertical openings of draft stop spaces in the attic while preventing a back draft from one section of the attic to another. Additional sizes available call for more information. Rough opening is door size 1 4 inch minimum.

It comes with a 1 flange for an easy flush installation on any type of surface material. 718 4 2 groups r 1 and r 2 draftstopping shall be provided in attics mansards overhangs or other concealed roof spaces of group r 2 buildings with three or more dwelling units and in all group r 1 buildings. The 2010 crc r302 12 provides requirements for draftstops at floor ceiling assemblies. S stainless steel type 304.

R302 12 1 materials draftstopping materials shall be not less than 1 2 inch 12 7 mm gypsum board 3 8 inch 9 5 mm wood structural panels or other approved materials adequately supported. Openings in the partitions shall be protected by self closing doors with automatic latches constructed as required for the partitions.