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The CUSTOM BLDG PRODUCTS CTFC3815 is a bright white ceramic tile and fixture caulk designed for sealing joints and transitions in tile installations and around plumbing fixtures. It delivers a smooth finish that blends cleanly with white grout and white fixtures. This caulk is suited for use in kitchens, bathrooms, and other wet areas where a flexible, finished seal is needed at tile edges, tub surrounds, sink perimeters, and similar transitions. Plumbers and tile contractors typically specify this type of product to complete fixture and tile work with a clean, professional appearance.
This caulk is used in residential and light commercial settings wherever ceramic tile meets a fixed surface such as a tub deck, countertop, or wall fixture. It is appropriate for interior tile work where movement or vibration at joints requires a flexible seal rather than a rigid grout fill. The bright white color matches standard white tile and fixture finishes commonly found in bathroom and kitchen installations.
Designed as an OEM-style replacement-grade sealant for use with ceramic tile and standard plumbing fixture installations in residential and light commercial applications.
This product is typically applied by a tile installer or plumber during finish work after tile setting and grouting is complete. Shut off water supply and ensure surfaces are clean, dry, and free of old caulk, soap residue, and grease before application. A caulk gun and smooth finishing tool are standard for clean joint profiles. Follow local building codes and manufacturer cure time guidance before exposing the joint to water.
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