hi im building a shed on 3 boundry walls but i want to damp proof them is there any alternative to damp course?
can i put in damp course while the wall is already standing or is there an alternative
If you know how,you can cut a dpc into the wall,or you could inject it.


If you know how,you can cut a dpc into the wall,or you could inject it.
References :
No you cant put in DPC while the wall is standing,it has to be done while the wall is being build.
References :