If you were building a deck extension partially over an existing concrete slab, is it normal to use a bracket and dyno bolt to attach the pile to the slab rather than cut a hole and dig and concrete the pile?
happychappy50,
Sep 22, 2:12am
Stirup under the post & secured to the concrete with a blutip or dynabolt
sirdc,
Sep 22, 2:20am
Ok so it's not something dodgy to cut corners then? Deck height is about 900mm off the ground
johotech,
Sep 22, 2:24am
How thick is the concrete? Reinforced?
sirdc,
Sep 22, 2:31am
No idea if it is reinforced. Slab is exposed aggregate and is about 4 inches thick
stevo2,
Sep 22, 9:19pm
A few posts bolted to the concrete may be ok but you will need some embedded into the ground to stop sideways movement (ie brace pile). It is a cheap method and we wouldnt be doing it. We would be cutting the concrete and concreting a new pile in.
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