Patent ID: 8356580

Claim:
A seal for use in high temperature environments of a boiler assembly to remedy cracks and air leaks for expansion joints, said seal comprising: a lattice of support studs and support bars having a plurality of support posts extending outwardly there from, wherein said lattice is secured to a desired area of the boiler assembly; a high temperature RTV silicone adhesive sealant layer applied to said lattice; a first non-ceramic layer mounted to said support posts over said RTV sealant layer; a first expanded metal layer mounted to said support posts and applied to said first non-ceramic layer; one of a first silicone cloth layer and a first foil layer mounted to said support posts and applied to said first expanded metal layer; a second non-ceramic layer mounted to said support posts and applied to said first silicone cloth layer or said first foil layer; a turbine mesh layer mounted to said support posts and applied to said second non-ceramic layer; one of a second silicone cloth layer and a second foil layer mounted to said support posts and applied to said turbine mesh layer; a second expanded metal layer mounted to said support posts and applied to said second silicone cloth layer or said second foil layer; a high temperature bonding adhesive disposed between each layer to bind the layers together; and, securing members operatively associated with said support posts to secure said first non-ceramic layer, said first expanded metal layer, said first silicone cloth or foil layer, said second non-ceramic layer, said turbine mesh layer, said second silicone cloth or foil layer and said second expanded metal layer against said lattice.