Timber stair treads

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28th March 2024, 06:37 PM
mic-d

Timber stair treads

Anyone please , what’s the minimum allowable thickness of timber stair treads in the building code. 50mm?
28th March 2024, 06:50 PM
rwbuild

25mm for solid timber, 32mm for MDF
28th March 2024, 07:00 PM
mic-d

Quote:

Originally Posted by rwbuild

25mm for solid timber, 32mm for MDF

Thanks Ray, oh I wonder given you’ve included mdf, I should have mentioned it’s an exterior staircase on steel stringers at about 750mm span and 1000mm treads no risers
28th March 2024, 07:28 PM
Camelot

At 1000mm wide with no rises

F27 = 32mm
F22 = 34mm
F17 = 36mm
F11 = 40mm
F8 = 42mm
F5 = 46mm (H3 Treated pine)
28th March 2024, 07:54 PM
mic-d

Quote:

Originally Posted by Camelot

At 1000mm wide with no rises

F27 = 32mm
F22 = 34mm
F17 = 36mm
F11 = 40mm
F8 = 42mm
F5 = 46mm (H3 Treated pine)

thanks Camelot:2tsup:

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