Specifications
Dimensions
The estimated amount of coverage based on product size and manufacturer’s recommend (or commonly used) install application.
nullDetails
This product is designed to reduce permanent stain damage caused by typical household spills and in some cases pet accidents. Please see care and maintenance instructions within the installation and warranty documents for more details.
nullProduct's ability to withstand freeze-thaw cycles when directly exposed to the elements.
nullProduct's ability to withstand freeze-thaw cycles when directly exposed to the elements after installation is complete.
nullDirect from the four corners of the globe to bring better products & prices to you.
United States of AmericaInstallation & Warranty
The surface for which the product can be installed upon. The surface should be clean, stable, and meet installation and warranty guidelines prior to installation.
Floor/WallAble to be submersed in water and suitable for both saltwater and chlorine pools
nullThis product may be used on the surface surrounding a pool or other wet area.
nullIndicates the product’s ability to not only be exposed to water, but to have a certain level of protection or resistance in settings completely surrounded in water.
YesRecommended time to allow the product application to dry.
nullAmount of time item can be stored for next use after opening.
nullIndicates the maximum and minimum recommended temperatures to use or install product in for best results.
40-95 deg. F/ 4-35 deg. CCommercial and/or Residential manufacturer product guarantee to give you peace of mind.
Lifetime System
Show More
Product Details
Mapei 5228 Cavern Moss Mapesil T Plus Silicone Caulk is a professional-grade, 100% silicone sealant designed for superior adhesion and flexibility across multiple substrates. Engineered for heavy-traffic and expansion/movement joints, this sealant exceeds ASTM and ANSI standards, making it ideal for demanding residential and commercial applications. Its low-sheen finish is color-matched to MAPEI’s grout palette for a seamless look, while advanced formulation ensures durability in both wet and dry environments.
Perfect for interior and exterior installations, Mapei 5228 Cavern Moss Mapesil T Plus Silicone Caulk offers excellent elongation and flexibility for change-of-plane and joint applications in tile or stonework. It is freeze/thaw-resistant after curing and can even be used in pools and spas with proper water chemistry. With built-in mold and mildew resistance, this sealant offers long-lasting protection and performance.
- 100% silicone sealant for maximum flexibility and durability
- Color-matched to MAPEI’s grout palette for a coordinated finish
- Low-sheen formulation complements grout joints for a uniform look
- Rated for heavy-traffic and expansion/movement joints
- Suitable for interior and exterior installations, wet or dry conditions
- Excellent elongation for change-of-plane and joint applications
- Can be used in pools and spas (requires 7-day cure and proper pH/chlorine levels)
- Mold and mildew resistant for long-term protection
- Freeze/thaw-resistant after a 72-hour cure at 73°F (23°C) and 50% RH
- Ideal for countertops, vanities, sinks, bathtubs, showers, steam rooms, backsplashes, and fixtures
Mapei 5228 Cavern Moss Mapesil T Plus Silicone Caulk delivers exceptional performance and versatility for sealing applications where flexibility and durability are critical. Its advanced formulation ensures a professional finish that withstands moisture, movement, and time.