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Titebond Radon Sealant in Concrete Gray provides professional-grade protection against radon gas infiltration in concrete foundations and slabs. This 10.1 oz. cartridge delivers a durable, flexible seal that accommodates concrete movement while maintaining long-term performance. Ideal for new construction or remediation projects, it bonds effectively to concrete surfaces and cures to a neutral gray finish that blends seamlessly. Trusted by contractors for its reliability in reducing radon entry points and meeting building code requirements for radon mitigation systems.