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The Sika Sikaflex 1A is a one-component polyurethane-based sealant designed for various construction applications. This moisture-cured sealant is ideal for Sika Sarnafil roofing and waterproofing flashing. It adheres to many surfaces without requiring a primer.
This sealant is odorless and non-staining. It meets NSF/ANSI Standard 61 for potable water and is suggested by the EPA for radon reduction. It can handle movement of up to +/-35% in joints.
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