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The Penosil FireStop Silicone 331 is a high-quality, fire-resistant sealant that comes in a white colour. Available in a box of 24, each tube contains 300ml of sealant. This product is designed to provide an effective barrier against fire and smoke for up to four hours, making it ideal for both domestic and commercial applications. Its easy to apply and adheres well to most construction materials including concrete, masonry, steel and more. The Penosil FireStop Silicone 331 is perfect for sealing gaps, joints and penetrations where fire resistance is required.