Ballast and 20mm Gravel for 20mm Limestone Gravel Patio? Post your questions and get answers regarding all areas of drives, pathways and patios

[DanH]

Hi,

Hope all is well.

I’m mid-way into a small corner 3 x 3 gravel patio project - for use as seated area.

I’ve excavated 150mm of top soil and I have laid a weed membrane.

My question is: can I use ballast and 20mm gravel as my sub-base? The reason is that I have an abundance of both free of charge at my disposal.

For the top layer I will be using Marble Gravel 8-18mm.

Thank you in advance. Happy to take on board any comments or tips!

Thanks,

Dan

[stoneyboy]

Hi danh
For a patio with pedestrian traffic this should be fine but you might find it beneficial to use some sort of geotex matting under the marble to stop migration of the shingle.
Regards S