Overview (Plasterboard) Building Codes & Rules

Clearance

sheet ends

Internal Corners^{Industry Recommendation}

• Paper tape & set corner

Level 4 Finish Quality^{Industry Recommendation}

• Default level of finish
• Satin or low sheen paint
• Light to mid tone colour
• Wallpaper finish
• Tape coat joints
• 2 finish coats over joints

External Corners^{Industry Recommendation}

• External angle bead & set corner

Ventilated Roof Space^{Industry Recommendation}

• Controls moisture
• Ceiling extraction fans ducted to outside

CJ

Back Blocking

End Butt Joints^{Industry Recommendation}

• Maximize use of full sheets
• ≥ 300mm from all junctions
• Stagger joints to adjacent

• Cornice
• Wall track

CJ

CJ

Skirting

Movement Joint

Control Joints (CJ)^{Industry Recommendation}

• ≤ 12m centres
• Above doors is a good option as prone to cracking

≥ 200^{Industry Recommendation}

≤ 12m^{Industry Recommendation}

Clearance

sheet ends

≥ 6^{Industry Recommendation}

≥ 200^{Industry Recommendation}

• Shadowline
• Square set

Level 5 Finish Quality^{Industry Recommendation}

• Semi - gloss or gloss paints
• Dark tone colour
• Where angled light may highlight imperfections Joints as for Level 4
• Skim coat to entire wall/ceiling

or

Skirting^{Industry Recommendation}

• Expansion Joint where over hard or tiled surfaces

Wall Fixtures

• ≥ 38mm thk^{AS 1684.2:2021, 6.2.1.5} timber noggings
• ≥ 4mm^{Industry Recommendation} steel plate

≤ 12m^{Industry Recommendation}

≤ 200^{Industry Recommendation}

≤ 100^{Industry Recommendation}

CJ

CJ

4.8m if tiled^{Industry Recommendation}

Corrosion Risk^{Industry Recommendation}

• Use stainless steel or PVC finishing beads
• Stainless steel fixings

Cornices

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Cornice TYPES

NCC 2022 V1

Industry Recommendation