Maxisil® Wet Area Sealant: 100% Waterproof Mold-Resistant Caulk for Bathrooms & Kitchens

Maxisil® Wet Area Silicone Sealant is the top choice for tile professionals needing a premium, mold-resistant caulk for wet environments. Designed for bathrooms, kitchens, and laundry zones, its 100% pure silicone formula provides flexible, crack-proof sealing in 56 color-matched options—ideal for any tile or grout style.

Features & Benefits

100% Pure Silicone Formula:
No fillers—just high-performance silicone for maximum durability, flexibility, and waterproofing.
Industry-Leading Mold & Mildew Resistance:
Integrated fungicides prevent mold growth in high-humidity zones like showers and backsplashes.
Smooth Application Every Time:
Proprietary polymers allow clean glide-on and easy tooling with Maxisil® finishing tools.
Largest Color Range Available:
Choose from 56 shades to match popular grout lines and tile designs. Use our grout color matcher tool for fast selection.
High Coverage, Low Waste:
Each 300mL tube seals 26–30 linear feet, cutting down on material use and reducing callbacks.
Professional Cure & Performance Specs:
Acetoxy cure with a full set time of 24 hours. Low odor. Applies cleanly at 40°F and above.
Complete System Integration:
Compatible with Maxisil Cleaner, SmoothTech finishing sprays, precision nozzles, and Maxisil Membrane for waterproof installations.

Where to Use Maxisil® Wet Area Sealant

Maxisil® is ideal for a wide range of applications, including:

Bathrooms: Showers, bathtubs, sinks, countertops, backsplashes, and tile.
Kitchens: Countertops, sinks, backsplashes, and tile.
Other Wet Areas: Laundry rooms, basements, and around windows and doors.

Benefits of Maxisil® Wet Area Sealant

100% Waterproof: Provides a watertight seal to prevent leaks and water damage.
Mold and Mildew Resistant: Prevents the growth of mold and mildew, keeping your surfaces clean and healthy.
Durable and Long-Lasting: Resists cracking, shrinking, and discoloration.
Easy to Apply: Smooths easily for a professional finish.
Low Odor: Minimal odor during application.
Safe for Granite and Marble: Will not damage delicate surfaces.

Technical Specifications

Type: Silicone sealant
Application Temperature: Above 40°F
Cure Time: 24 hours

Stuck with color matching? Use Maxasil's Color Matcher for the perfect match: Maxisil Color Cross Over

Please note that the colors shown on our website are for reference purposes only and may differ from their actual appearance due to screen variations.