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Custom Gaskets

Great Western Seal and Gasket specializes in the manufacturing of custom gaskets across multiple industries. We offer everything from a single prototype gasket or a limited run to the production of tens of thousands of gaskets utilizing our CNC cutting machine, die cutting presses or kiss cut capabilities.

API 650 Manway Gaskets

Roof & Shell



Great Western Seal and Gasket offers a multitude of non-metallic and non-asbestos materials including Garlock® (Blue-Gard® 3000 & 3700), Thermoseal® (Klingersil® C-4401, C-4500, C-6400), FiberFlex (CNA-9000, Detroiter & Grade "A"), Interface (N-8094), Cork, EPDM, Neoprene, Nitrile, SBR, Closed Cell Sponge, Felt, UHMW, Silicone, Urethane, Viton™ and more.

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Visit Us in Person

3869 Norwood Drive, Unit 1, Littleton, Colorado 80125

Hours M - F: 9:00am - 5:00pm

Phone 303-761-3522