Attic Draft Stop Details

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Draftstopping shall be installed above and in line with sleeping unit and dwelling unit separation walls that do not extend to the underside of the roof sheathing above. In combustible construction where there is usable space both above and below the concealed space of a floor ceiling assembly draftstops shall be installed so that the area of the concealed space does not exceed 1 000 square feet 92 9 m 2 draftstopping shall divide the concealed space into approximately equal areas.

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This self closing and self latching access door allows for access from both sides of the door.

Attic draft stop details.

1 if there is no useable space above the assembly an attic or below it a crawlspace draftstoppingisn t required. If you want a draft stop panel that features a drywall bead flange exposed flange and plaster bead flange our line of babcock davis panels will be more suited for you. If you need an attic access door draft stop don t hesitate to call us at 1 800 609 2917 or for other products check out our entire product line. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.

Section 708 fire blocks and draft stops 708 1 general. This self closing and self latching access door allows for access from both sides of the door. 2 if the assembly isn t concealed an open floor ceiling assembly above a basement draftstoppingisn t required. 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 babcock davis draft stop door is a non rated access door designed to provide access through draft stop spaces in the attic while preventing a back draft from one section of the attic to another. 3 if draftstoppingis required the 1 000 sflimit applies but the divided spaces must be approximately equal. Attic draftstopping evaluation final report page 3 koffel associates has noted all major items observed to the owner of the facility. In combustible construction fireblocking and draftstopping shall be installed to cut off all concealed draft openings both vertical and horizontal and shall form an effective barrier between floors between a top story and a roof or attic space and shall subdivide attic spaces.

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. Can also be referred to as draft stop fire block or fire stop these other terms may be common in the field but the code has different definitions for this terminology.

Faq3 International Firestop Council