Drainage Ash:

 A coarse Ash similar to an aggregate used for drainage.

Firewood.

Fertilizers:

Mushroom Compost.

Cow Manure.

Concrete Mix:

40% Clean Washed Beach Sand mixed with 60% 10mm Crushed Blue Metal, we then add an extra 10% Blue Metal Dust to strengthen the mix & make it a lot creamer to work with.