Accessibility Statement


These fillers thicken West System epoxy resin mixtures for specific applications.

The #403 microfiber blend is suitable for gap filling. It is available in a 6 oz container.

The #404 high-density filler is used for filleting and gap filling where maximum strength is needed, such as screw and bolt holes. It is available in a 15 oz container.

The #406 colloidal silica is a thickening additive to prevent run-off in vertical and overhead joints, but can also be used for additional strength or a tougher surface. It is available in a 1.7 oz container.

All cure to an off-white color.

Made in USA.

Not available for shipment to Québec.

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