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The DAP INC 8729 is a 100% acetoxy silicone rubber caulk formulated for sealing windows and doors in both interior and exterior applications. The 9.8 oz cartridge delivers a flexible, watertight seal that resists shrinking and cracking over time. The clear finish blends into most framing and glass installations without requiring paint coverage. This product is not paintable, so it is suited for applications where the sealant remains exposed after installation. Licensed contractors, glaziers, and maintenance professionals use this caulk for routine sealing tasks on residential and light commercial projects.
This caulk is intended for sealing gaps and joints around window frames, door frames, and related trim where a long-lasting, watertight seal is required. It performs in both indoor and outdoor environments, making it a practical choice for weather sealing, draft reduction, and moisture intrusion prevention. The acetoxy silicone formula remains flexible after cure, accommodating minor structural movement without losing adhesion. It is sold in individual cartridges and packaged 12 units per case.
Designed for use as a general-purpose silicone sealant around window and door assemblies in residential and light commercial construction and maintenance applications.
Application is performed with a standard caulk gun. Surface must be clean, dry, and free of dust, oil, and old caulk before applying. Allow adequate cure time before exposing the joint to water or weather. Follow local building code requirements for sealant use in exterior envelope applications.
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