Profile: Advanced Gasket & Supply, Inc. offers custom and die cut parts. Our fiberglass products include fiberglass tape, silica tape, tadpole tape and round & square rope. Our woven fiberglass tapes are manufactured from continuous filament texturized fiberglass yarns and woven into a strong & flexible tape. Our Maxsil® Silica Tapes are made from texturized amorphous silica filament yarn and woven into a strong & flexible form. Our brands include Klingersil™, Biltrite™, Viton sponge™, Garlock™, Rubberlite™ and Poron™.