MTN Mastic Polyester Putty

Montana Colors Polyester Fiberglass Putty is a 2k reinforced putty that doesn’t contain styrene, suitable for repairing polyester composite parts and areas of rusty metal. It’s a creamy putty that’s easy to apply and has great adherence to different substrates. Once applied, it must be insulated with the MTN Universal Polyester Putty prior to painting.

Montana Colors Universal Polyester Putty is a lightweight, multifunctional, 2k styrene-free putty. It is designed for use on sheet steel, aluminum, polyester and wood. Its high thixotropy allows gluing and filling without the risk of sinking. It is easy to apply and sand, doesn’t crack or shrink when dry and can be painted over with any MTN product.

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