MAPEI Mapesil T Plus Silicone Caulk, Cobblestone

MAPEI Mapesil T Plus Silicone Caulk, Cobblestone #5103, 10.1-oz Cartridge

Regular price $20.74

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Mapesil T Plus Cobblestone Silicone Caulk (10.1 oz)

Professional-grade 100% silicone sealant color-matched to MAPEI grouts for cohesive tile installations. Ideal for interior/exterior, wet or dry areas with excellent flexibility for change-of-plane and expansion joints.


Key Features:

  • Color-Matched Finish: Coordinates with MAPEI grouts in Cobblestone #5103 for a seamless look
  • Heavy-Traffic Rated: Suitable for expansion joints and demanding areas
  • All-Conditions Use: 100% silicone for interior/exterior, wet or dry locations
  • Flexible & Durable: Excellent elongation to handle movement at change-of-plane
  • Mildew/Mold Resistant: Waterproof, stain-resistant formula for long-lasting seals

Specifications Table:

Specification Details
Series Name Mapesil T Plus
Color/Finish Family Gray
Manufacturer Color/Finish Cobblestone #5103
Type 100% Silicone
Container Size 10.1-oz
Unit of Measure Ounce(s)
Unit of Measure Quantity 10.1
Container Type Cartridge
Coverage Area (Linear Foot) 25
Caulk Gun Needed Yes
Clean-up Method Soap and water
Fire Rated No
Fire Resistant No
For Use in Bathrooms Yes
For Use in Kitchens Yes
For Use on Glass Yes
For Use on Stone Yes
For Use on Tile Yes
For Use on Trim/Moulding Yes
For Use on Concrete No
For Use on Doors No
For Use on Drywall No
For Use on Fiberglass No
For Use on Gutters No
For Use on Marine No
For Use on Masonry No
For Use on Metal No
For Use on Plastic No
For Use on Roofing No
For Use on Siding No
For Use on Vinyl No
For Use on Windows No
For Use on Wood No
Heat Resistance (F) Up to 400°F
Mildew Resistant Yes
Mold Resistant Yes
Package Quantity 1
Paintable No
Product Set Time 24–48 hours
Project Type Multi-use
Sandable No
Self Leveling No
Stain Resistant Yes
Use Location Interior/Exterior
Waterproof Yes
Warranty 1-year limited
Prop 65 Warning Yes

Frequently Asked Questions (FAQ):

Q: What surfaces can this adhere to?
A: Recommended for tile, stone, glass, and trim/moulding; not for concrete, masonry, metal, vinyl, or wood.


Q: Is it paintable or sandable?
A: No—do not paint or sand this 100% silicone sealant.


Q: How much does one cartridge cover?
A: Approximately 25 linear feet per 10.1-oz cartridge, depending on bead size.


Q: What is the cure time?
A: Allow 24–48 hours for full set; times vary with temperature and humidity.


Q: Is it suitable for showers and kitchens?
A: Yes, it is waterproof, mold- and mildew-resistant, and safe for wet areas.


Seamless Stone-Inspired Sealing

Cobblestone brings a refined, mineral hue that quietly frames tilework, letting patterns and textures take the spotlight. The satin, color-matched silicone creates a continuous line that feels bespoke and architectural. Use it to bridge tile-to-counter transitions or inside corners for a gallery-clean finish. It’s the discreet detail that elevates everyday spaces into effortless luxury.


Complete your tile project with a durable, color-matched seal—add Mapesil T Plus in Cobblestone to your cart now.

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