It will involve a double skin of pond liner, over battens on a boxed in OSB roof, about 50ish mm of soil and 20ish mm of gravel fill, an overflow pipe, and plants from a list that I found somewhere.
I'm building the shed myself, so can be certain(ish) that it will be strong enough.
^ it's in the plan for my bikeshed build.
It will involve a double skin of pond liner, over battens on a boxed in OSB roof, about 50ish mm of soil and 20ish mm of gravel fill, an overflow pipe, and plants from a list that I found somewhere.
I'm building the shed myself, so can be certain(ish) that it will be strong enough.