Sikasil 670 Fire is a fire rated, neutral cure silicone sealant for perimeter joints, facade interfaces, and service penetrations. It delivers excellent adhesion to glass, metals, and mineral substrates, maintaining flexibility and joint integrity under movement. With superior UV, weather, and temperature resistance, it performs in exposed exterior conditions and critical internal fire-stopping locations. Low shrinkage and non-sag application make tooling clean and efficient. Use where a durable, fire resistant silicone seal is required in commercial and residential construction.

$15.70

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