Permanent Attic Stairs Code Requirements

If a permanent stairway leads only to an attic is it acceptable for a receptacle to be installed at the bottom of the stairs for use as a vacuum cleaner receptacle.

Permanent attic stairs code requirements.

Maximum 7 3 4 inch stair riser height. Don t know of any codes that would apply in. Standard rough openings for typical attic pull down stairs. Provide a minimum of 6 8 of headroom the entire walking length of the stairs.

Attic stair pull down or folding stairway construction installation inspection hazards repair questions answers. My reading of code seems to be that simple over current protection is sufficient for an attic. The attic has a ceiling height less than 6 at the peak of the roof. Most homes have a 1 2 drywall panel installed in the attic access opening which is fine.

25 x 54 most common small width pull down attic stair. 22 1 2 x 54 for the smallest pull down stairway. Still the information might be of some interest to inspectors. Maximum 12 3 vertical height rise for a flight of stairs.

But when you put something else in the opening it must be equivalent to 1 2 drywall which has roughly a 20 minute fire resistance. 30 x 54 for the. Attic stairs are generally steeper than other stairs in the home and your local building codes may make exceptions or they may not if this is the case it may give the customer a chance to get the stairs in where he wants them. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members.

Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing. If the only access is by a pull down stairs or by ladder through a scuttle then it is absolutely not a finished living space. To convert your attic to living space you cannot provide access via a ladder. The 2009 edition of the international building code ibc and the 2006 edition of the international residential code irc offer guidelines regarding attic access although not specifically pull down ladders.

25 1 2 x 64 often used for a longer pull down ladder attic access from a higher than standard ceiling. Here s the full text of the code. 2009 ibc commercial construction. Minimum 6 8 headroom height clearance for stairway.