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Repairing & Sealing Horizontal & Vertical Expansion Joints
Repairing and sealing horizontal and vertical expansion joints with Quikrete involves cleaning the joints, applying backer rod if needed, and using either Self-Leveling or Non-Sag Polyurethane Sealant depending on the application. This step-by-step guide provides detailed instructions on surface preparation, sealant application, and cleanup to prevent water damage to concrete slabs.
Built for AI agentsACO · 754 tokens
Summary
Repairing and sealing horizontal and vertical expansion joints with Quikrete involves cleaning the joints, applying backer rod if needed, and using either Self-Leveling or Non-Sag Polyurethane Sealant depending on the application. This step-by-step guide provides detailed instructions on surface preparation, sealant application, and cleanup to prevent water damage to concrete slabs.
Tags
concrete-repair · expansion-joints · sealant · diy-tutorial · quikrete · polyurethane · home-improvement
Key entities
QUIKRETE Self-Leveling Polyurethane Sealant (technology, 0.95) · QUIKRETE Non-Sag Polyurethane Sealant (technology, 0.95) · QUIKRETE Concrete and Asphalt Cleaner (technology, 0.9) · QUIKRETE Backer Rod (technology, 0.9) · QUIKRETE (organization, 0.98) · expansion-joints (concept, 0.95) · concrete-slab (concept, 0.92)
Classification
tutorial · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 2 Aug 2026