MAPEI Mapesil T Plus Silicone Caulk – 5015 Bone, 100% Silicone Sealant

Regular price $19.30

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Mapesil T Plus 5015 Bone Silicone Caulk

Professional-grade, 100% silicone sealant color-matched to MAPEI’s grout palette. Mapesil T Plus offers enhanced adhesion, low-sheen finish, and heavy-traffic performance for interior/exterior, wet or dry tile and stone joints.


Key Features:

  • Enhanced Adhesion: Engineered for heavy-traffic and expansion/movement joints exceeding ASTM/ANSI standards
  • Color-Matched Finish: Low-sheen formula designed to match grout joints in MAPEI’s color palette (5015 Bone)
  • Versatile Use: Suitable for interior/exterior, wet/dry areas, change-of-plane and joint applications in tile or stonework
  • Pool- and Spa-Ready: Usable in submerged applications after 7-day cure with proper water pH and chlorine levels
  • Mold/Mildew Resistance: 100% silicone with excellent flexibility and freeze/thaw resistance after full cure

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Product name Mapesil T Plus
Color 5015 Bone (color-matched to MAPEI palette)
Composition 100% silicone
Finish Low sheen to match grout joints (Jet Black is more satin/shiny)
Use areas Interior/exterior; wet and dry installations; tile and stone joints; change-of-plane; expansion/movement joints
Performance rating Rated for heavy-traffic and expansion/movement joints; exceeds ASTM and ANSI standards
Flexibility/elongation Excellent elongation and flexibility
Submerged use Pools and spas after 7-day cure; water pH 6.5–7.6; free chlorine <5 ppm
Mold/mildew Helps prevent mold and mildew
Freeze/thaw resistance Resistant after a 72-hour cure at 73°F (23°C) and 50% RH

Frequently Asked Questions (FAQ):

Q: Is this caulk sanded or unsanded?
A: It is a 100% silicone, unsanded sealant formulated to match the look of grout joints.


Q: Can I use it in a shower or submerged areas?
A: Yes—use in showers and even pools/spas; allow 7 days of curing before filling and maintain water pH 6.5–7.6 with free chlorine under 5 ppm.


Q: What surfaces is it compatible with?
A: Designed for tile and stone change-of-plane and joint applications across interior and exterior installations.


Q: Does it resist mold and mildew?
A: Yes, the formula helps prevent mold and mildew growth.


Q: What sheen does it dry to?
A: It is formulated to a low sheen to blend with grout joints (except Jet Black, which is more satin/shiny).


Seamless Sophistication for Every Joint

Mapesil T Plus in Bone melts into tilework, delivering a quiet, tailored edge that lets your surfaces sing. The low-sheen finish mirrors grout for a unified, gallery-quality look. Use it to trace crisp lines in showers, kitchen backsplashes, and along floor transitions for a polished, custom result. It’s a small detail that elevates spaces into effortless luxury.


Finish your tile project with a pro-grade, color-matched seal—choose Mapesil T Plus in Bone and get lasting, elegant joints.

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