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sub base idea - trampoline


I have an area in my garden, I've not been in the house long but it was previous a shed and plant area. It has all been ripped out apart from the shed.

The area is approx 8m x 3m, plan is to replace the smaller shed with a a larger one and the other section a kids area with a trampoline. (After a few years once out grown this area would most likely be decked.)

The question I have and the issue I have is...what base to use? The issue I have is that this area is heavy clay and does not drain well at all after rain, you can start sinking in it.

The shed I was going to have slabbing laid as a base.

Trampoline area I wanted wood chips but what should go under the woodchips and weed control?

I could just have this area slabbed and then covered with woodchips, or is there an alternative, like laying gravel over the area then the weed control and wood chips. like below?

(type-1 aggregate is a versatile material. It is best suited as a sub-basing product and is commonly used as the base material in highways, footpaths, railways and foundations on larger construction projects. It also has more general uses as a backfilling and site grading material.)

If I covered the area in this say 20-30mm deep, then weed control fabric, final layer wood chip would that provide enough to stop any of the swamping or marshing underneath. I want to try and do the area myself and laying slabs is not something I have done.


I dont want the trampoline sinking into the ground for obvious reasons.



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