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The CUSTOM BLDG PRODUCTS PC38210S-6 is a siliconized acrylic ceramic tile caulk formulated to match Polyblend grout colors, specifically in the Bone (Color 382) shade. Each tube contains 10.5 oz of sanded caulk and the package includes 6 tubes. The sanded formula is designed to blend seamlessly with sanded Polyblend grout joints, providing a consistent finished appearance at transition points where grout alone cannot be applied. Built-in MoldGard technology inhibits mold and mildew growth on the cured caulk surface. This product is rated for interior use only and is installed by tile setters, remodelers, and plumbing contractors working on residential and light commercial interior tile applications.
This caulk is applied at movement joints and transition zones in interior tile installations — specifically around showers, sinks, and bathtubs where tile meets dissimilar surfaces such as fixtures, countertops, or wall trim. It is intended for interior environments where a color-matched seal between tiled surfaces and adjacent materials is required. The product is sold in a 6-tube pack, making it suitable for contractors completing multiple installations or larger single projects requiring consistent color-lot matching.
Designed for interior tile installations where Polyblend sanded grout in Bone (Color 382) is specified. Suitable for use around showers, sinks, and tubs where tile meets other surfaces.
Applied by tile setters or plumbing contractors as a finish step after grout has fully cured. The substrate must be clean, dry, and free of old caulk, soap residue, and loose material before application. Do not use this product as a structural adhesive or in place of grout in field joints. Interior use only — do not apply in exterior or continuously submerged conditions.
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