F2D2 Wet area construction [2019: F1.7(a) and (b)] SA F2D2(1) (1) In a Class 2 and 3 building and a Class 4 part of a building, building elements in wet areas must— be water resistant or waterproof in accordance with Specification 26; and (a) comply with AS 3740. (b) (2) In a Class 5, 6, 7, 8 or 9 building, building elements in a bathroom or shower room, a slop hopper or sink compartment, a laundry or sanitary compartment must— be water resistant or waterproof in accordance with Specification 26; and (a) comply with AS 3740, (b) as if they were in a Class 2 or 3 building or a Class 4 part of a building.
https://files.mastodon.social/media_attachments/files/113/574/004/127/946/856/original/2655b793598149be.jpg