Profile: R. F. Gansereit & Associates manufactures and distributes all types of gaskets for all types of boilers. Our boiler parts & services include boiler gaskets, hoses, head gaskets, ceramic boiler gaskets, diffusers, pipe flange gaskets, hi-temperature boiler gaskets, fiberglass tape and all kinds of boiler parts. The Blue-Max® manhole and handhole gaskets are engineered to provide all the durability, resilience & sealing properties of an asbestos gasket, but without the asbestos. These gaskets are manufactured from a proprietary tacky cloth of glass, synthetic fibers, and brass wire, impregnated with a blue elastomer compound. The material is cut and formed to the desired size & shape, then coated with a proprietary Teflon material per Mil Spec t-27730a. The finished gasket is easily installed and delivers trouble-free service. Each gasket is permanently and clearly marked with its size.