Bearers Thickness

[swazee]

Hi all

What would be the minimum post footing size to use for a deck only with no pergola?? I have read somewhere that 450mm is the minimum and this seams a little over the top.

Can anyone please shed some light.

Thanks

Pat

[ausdesign]

The pad size is related to the area of deck supported.
230*230*100 deep or 250 diam*100 deep is minimum