Patent ID: 8302280

Claim:
A method of forming an appliance comprising a housing having a top panel and a bottom panel that are disposed opposite each other and also having a plurality of walls connected to the top and bottom panels, wherein the top and bottom panels and the plurality of walls define a cavity and wherein the housing has an outermost surface, said method comprising the step of applying a polyurethane foam about at least a portion of the outermost surface wherein the polyurethane foam comprises the reaction product of an isocyanate composition and a resin composition comprising at least one polyol, and has (1) a density of from 20 to 50 pounds per cubic foot as determined according to ASTM D 1622, (2) a damping factor of at least 0.2 measured at a temperature of from 40° C. to 60° C. as determined according to ASTM D 4065, and (3) a K-factor of less than 2.0 btu-in/hr-ft 2 -° F. as determined according to ASTM C 518.