CONCRETE MOLD SET UP:
fiberglass construction with a "Class A" automotive grade gelcoat finish
allows for unlimited castings. All Crete Molds concrete sink molds are
internally reinforced to avoid any flex from the weight of your
concrete. No additional reinforcement is required. Crete Molds concrete
sink molds are manufactured with our innovative Rimlock feature.
Crete Molds Rimlock: