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28/03/2026 8:34 am
Brick veneer is widely used in New Zealand residential houses, typically with a thickness of 70 mm or 90 mm. What is the allowable deflection limit for brick veneer under vertical load or face load? Design Note TB1 (Two Storey Clay Brick Veneer Construction) published by the Clay Brick and Paver Manufacturers’ Association states a beam deflection limit of L/300. Given that brick veneer is a brittle material, is this limit acceptable?
30/03/2026 2:30 pm
AS/NZS 1170.0 Table C1 provides guidance (informative) on deflection limits for various situations.