Attic Draftstop Access Door Type R302

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.

Attic draftstop access door type r302. 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. As per ul standards once the installation is complete and the provided springs installed this door will be self. Additional sizes available call for more information. Openings in the partitions shall be protected by self closing doors with automatic latches constructed as required for the partitions.

S stainless steel type 304. Floor framing is constructed of truss type open web or perforated members. 24 x 48 36 x 36. It comes with a 1 flange for an easy flush installation on any type of surface material.

This self closing and self latching access door allows for access from both sides of the door. 24 x 60 36 x 48. 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. The 2010 crc r302 12 provides requirements for draftstops at floor ceiling assemblies.

It comes with a 1 flange for an easy flush installation on any type of surface material. Under the 2010 crc is attic draftstopping required under cbc 717 4 sfr attic areas 3000 sf would require it. The ba drd access door is not insulated. The drd access door is not insulated.

As per ul standards once the installation is complete and the provided springs installed this door will be self closing and self locking. The only place i can see where attic draftstops are referenced in the crc is at section r302 3 for two family dwellings.