Diaplas T-Shaped Reducer

Profiles for Floors of Different Heights

Diaplas T-Shaped Reducer is designed to provide a smooth and aesthetically pleasing transition between flooring surfaces of varying heights, such as ceramic, hardwood, laminate, and luxury vinyl tile/plank (LVT/LVP). Ideal for areas where floor expansion is expected over time, this profile ensures both functionality and durability.

Manufactured from high-quality, anodized aluminum, Diaplas T-Shaped Reducer offers long-lasting performance while maintaining an elegant appearance that complements today’s most popular flooring styles. Its design also meets ACA/ADA compliance requirements, ensuring accessibility and safety in both residential and commercial applications.

For secure and flexible installation, the profile can be bonded using Mapesil T Plus silicone sealant, a high-performance silicone sealant that accommodates movement and provides strong adhesion.

  • Multi-Height Transition Compatibility
    Seamlessly bridges the gap between flooring surfaces of different heights, such as tile, hardwood, laminate, and LVT/LVP, ensuring a smooth and safe transition.
  • Expansion-Friendly Design
    Engineered to accommodate natural expansion and contraction of flooring materials over time, helping to maintain the integrity of your floor installation.
  • Durable Anodized Aluminum Construction
    Built from high-quality anodized aluminum for enhanced strength, corrosion resistance, and long-term durability in both residential and commercial environments.
  • Modern, Stylish Finish
    A sleek, attractive finish complements today’s most popular flooring styles, adding a refined touch to any space.
  • ACA/ADA-Compliant*
    Meets Accessible Canada Act (ACA) and Americans with Disabilities Act (ADA) requirements for accessible design, making it suitable for public and commercial spaces.


These advantages position Diaplas T-Shaped Reducer as a highly practical and dependable solution for diverse tiling applications. It delivers exceptional functional performance and a refined, professional finish, while also meeting ACA/ADA compliance standards to support safer, more inclusive environments.

Diaplas profiles and trims are compatible with MAPEI Floor Covering Installation Systems and Tile & Stone Installation Systems products, ensuring a reliable and durable installation. However, it's essential to refer to the specific product’s Technical Data Sheet (TDS), found on www.mapei.com, for comprehensive installation instructions and suitable substrates. By following the manufacturer's guidelines, you can ensure optimal performance and longevity of the installation.

* Regulations can vary by jurisdiction. Consult your MAPEI Sales Representative for complete information on compliance rules for your particular installation needs.

Related documentation

Technical Data Sheet
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