Section SPS 321.07 - Attic and crawl space access(1) ATTIC. Attics with 150 or more square feet of area and 30 or more inches of clear height between the top of the ceiling framing and the bottom of the rafter or top truss chord framing shall be provided with an access opening of at least 14 by 24 inches, accessible from inside the structure.(2) CRAWL SPACES. Crawl spaces with 18 inches of clearance or more between the crawl space floor and the underside of the house floor joist framing shall be provided with an access opening of at least 14 by 24 inches.Wis. Admin. Code Department of Safety and Professional Services SPS 321.07
Cr. Register, November, 1979, No. 287, eff. 6-1-80; am. Register, March, 1992, No. 435, eff. 4-1-92; am. (1), Register, November, 1995, No. 479, eff. 12-1-95. Access to plumbing or electrical systems may be required under chs. SPS 382 to 387, Plumbing Code or ch. SPS 316, Electrical Code, Volume 2.