renovating a pool deck without removing old cracked . yes! pavers can be installed on top of an existing concrete deck even if the deck is cracked. pavers are installed over sand therefore the new deck will absorb small shifts without cracking the pavers. the renovation coping piece has a drop-down face that will cover the old coping so you don't have to remove the old coping just cut it back. the reno coping is then install over mud right on .