Adjustable decking joist pads. How many?

[houstonwehaveaproblem]

Looking at building a 6m x 3m deck.
How many of the adjustable joist pads would I need.

 

[sircerebus666]

Where are you planning to build this deck?

Adjustable joist pads are normally used for decks on roofs or concrete rafts

 

[houstonwehaveaproblem]

Where are you planning to build this deck?

Adjustable joist pads are normally used for decks on roofs or concrete rafts

On the garden

 

[sircerebus666]

Is that pic of your garden?

So you would be putting the decking over a concrete raft?

 

[houstonwehaveaproblem]

Is that pic of your garden?

So you would be putting the decking over a concrete raft?

No. It will be raised by the adjuster pads which will he sat on flagstones for support