Isolation Joints Under Walls and Thresholds: Compressible Fillers That Don’t Squish Out
Introduction Isolation joints under walls and thresholds use compressible fillers to bridge gaps and accommodate movement. Common options include soft, elastic fillers like silicone or rubber that resist squishing out and stay in place as concrete cures. Always check the product label and manufacturer guidance for expansion limits and compatibility with concrete and sealants. Install […]
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