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.

Attic draftstop access door type r302.

It comes with a 1 flange for an easy flush installation on any type of surface material. As per ul standards once the installation is complete and the provided springs installed this door will be self closing and self locking. 24 x 60 36 x 48. The only place i can see where attic draftstops are referenced in the crc is at section r302 3 for two family dwellings.

Additional sizes available call for more information. 24 x 48 36 x 36. But not under crc. S stainless steel type 304.

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 ba drd access door is not insulated. It comes with a 1 flange for an easy flush installation on any type of surface material. 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.

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. Rough opening is door size 1 4 inch minimum. Floor framing is constructed of truss type open web or perforated members.

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