Openings in the partitions shall be protected by self closing doors with automatic latches constructed as required for the partitions.
Attic draftstop access door type r302.
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.
Rough opening is door size 1 4 inch minimum.
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.
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.
The ba drd access door is not insulated.
24 x 60 36 x 48.
24 x 48 36 x 36.
Additional sizes available call for more information.
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 drd access door is not insulated.
S stainless steel type 304.
The only place i can see where attic draftstops are referenced in the crc is at section r302 3 for two family dwellings.
As per ul standards once the installation is complete and the provided springs installed this door will be self.
This self closing and self latching access door allows for access from both sides of the door.
But not under crc.
As per ul standards once the installation is complete and the provided springs installed this door will be self closing and self locking.
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.