3'x3' Black Vinyl Heavy Duty Leak Tarp (#4935-3x3b) This ceiling leak diverter is made of 13 oz Heavy Duty Flame Retardant Vinyl Laminated Polyester (Black) These heavy drain tarps protect personnel and equipment from overhead leaks, such as roof and ceiling leaks. The special design of the roof leak diverter catches and drains water safely away from the leak area. Heavy-duty metal D-rings are sewn into each corner of the drain tarp to facilitate hanging. Drain tarps have heavy duty metal D-rings on the center of each side.