Model No. HP2426;New plastic material allows for increased flexibility and ease of installation;Circular pans recommended for electric water heater protection;2 1/2" inch deep and .065 in thickness;1 piece construction of high impact plastic;Available with Pre-drilled with 1 x 1-1/2" PVC Drain Kit or 1" CPVC Kit;Complies with the 2015 IRC thickness requirements of not less than .036