I'm planning to dig out clay backyard to replace with decking.
How deep do you think I need to go? 600mm?
Also, house extension (near planned excavation) is on a concrete slab.
Anything I need to be aware of as to not undermine foundation?
Any advice welcome.
Thank you.
How deep do you think I need to go? 600mm?
Also, house extension (near planned excavation) is on a concrete slab.
Anything I need to be aware of as to not undermine foundation?
Any advice welcome.
Thank you.
Comment