MAPEI Mapesil T Plus Silicone Caulk, 5047 Charcoal

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Mapesil T Plus 100% Silicone Caulk - 5047 Charcoal

Professional-grade, 100% silicone sealant engineered for heavy-traffic and expansion/movement joints. Color-matched to MAPEI’s grout palette with a low-sheen finish, it excels in interior/exterior, wet or dry installations—including pools and spas—while helping resist mold and mildew.


Key Features:

  • Enhanced Adhesion: Formulated for demanding heavy-traffic and expansion/movement joints, exceeding ASTM/ANSI standards
  • Color-Matched Finish: Low-sheen caulk coordinates with MAPEI grout colors for cohesive tile and stone installations
  • All-Environment Use: 100% silicone suitable for interior/exterior, wet/dry areas and change-of-plane joints
  • Pool & Spa Ready: Usable in submerged applications after a full 7-day cure with proper water chemistry
  • Durable Performance: Excellent elongation, flexibility, and freeze/thaw resistance after proper cure

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Product name Mapesil T Plus
Material 100% silicone
Color 5047 Charcoal (color-matched to MAPEI palette)
Finish Low sheen to match grout joints (Jet Black has more satin/shiny finish)
Intended use Heavy-traffic and expansion/movement joints; change-of-plane and joint applications in tile or stonework
Locations Interior/exterior; wet and dry installations
Environmental classifications Suitable from Res 1 to Res 7 and Com 1 to Com 7 per TCNA Environmental Exposure Classifications
Cure before pool filling 7 days; requires water pH 6.5–7.6 and free chlorine < 5 ppm
Mold/mildew resistance Helps prevent mold and mildew
Freeze/thaw resistance Resistant after 72-hour cure at 73°F (23°C) and 50% RH

Frequently Asked Questions (FAQ):

Q: Is this caulk paintable?
A: No. As a 100% silicone sealant, it is not paintable; choose a matching color instead.


Q: Where can I use Mapesil T Plus?
A: Use on tile and stone change-of-plane and joint applications in interior/exterior, wet or dry areas, including showers, pools, and spas.


Q: How long before exposing to water or traffic?
A: Allow 72 hours to achieve freeze/thaw resistance; for pools and spas, allow a full 7 days before filling.


Q: Does it resist mold and mildew?
A: Yes, the formulation helps prevent mold and mildew in wet environments.


Q: What joint types is it rated for?
A: It is rated for heavy-traffic and expansion/movement joints and offers excellent elongation and flexibility.


Seamless Sophistication for Every Joint

Mapesil T Plus draws a refined line, delivering a tailored, low-sheen finish that lets your surfaces sing. I love how the color-matched formula melts into groutwork, creating a continuous, elegant rhythm across tile and stone. Use it to articulate shower corners and backsplashes where precision matters most. It’s that quiet luxury detail that elevates a space from beautiful to breathtaking.


Complete your tile project with a durable, color-matched silicone seal—choose Mapesil T Plus in 5047 Charcoal today.

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