Ind. Admin. Code tit. 675, r. 20-3-4 – Decks

Affected: IC 22-12; IC 22-13; IC 22-15; IC 36-7

Sec. 4. (a) A deck not less than four (4) feet in width shall surround not less than fifty percent (50%) of the perimeter of a spa.

(b) Decks shall meet the following requirements:

(1) Surfaces shall be slip-resistant but not providing an abrasion hazard.
(2) The maximum dimension of any horizontal void shall be three-sixteenths (3/16) of an inch, and the maximum vertical difference in surfaces other than stairs shall be one-fourth (1/4) of an inch.
(3) All corners shall be rounded or relieved.
(4) Decks shall drain away from the spa.

(Fire Prevention and Building Safety Commission; 675 IAC 20-3-4; filed Aug 14, 1989, 9:00 a.m.: 13 IR 60, eff Sep 1, 1989 [IC 4-22-2-36 suspends the effectiveness of a rule document for thirty (30) days after filing with the secretary of state. LSA Document #89-17 was filed Aug 14, 1989.]; readopted filed Sep 11, 2001, 2:49 p.m.: 25 IR 530; readopted filed Sep 21, 2007, 9:20 a.m.: 20071010-IR-675070388RFA; readopted filed Oct 10, 2007, 9:16 a.m: 20071031-IR-675070388RFA; readopted filed Aug 7, 2013, 8:51 a.m.: 20130904-IR-675130181RFA; readopted filed Jul 2, 2019, 2:21 p.m.: 20190731-IR-675190264RFA; readopted filed Nov 18, 2025, 10:36 a.m.: 20251210-IR-675240566RFA)