Tremco PUMA Expansion Joint System (EJS)

A Monolithic, Liquid, Polyurethane-Methacrylate (PUMA) Expansion Joint System

Tremco PUMA Expansion Joint System (EJS) is a monolithic, liquid Polyurethane-Methacrylate (PUMA) expansion joint system with superior durability and excellent movement capabilities. PUMA Technology is designed to have tenacious adhesion and extreme abrasion resistance. It can be walked on in on hour, which will minimize operation disruption.

Use our PUMA EJS calculator to determine usage.

Basic Uses
  • Tremco PUMA EJS can be used in exposed and/or multi-story parking garages in both new construction and restoration.

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FAQ
  • Can I use solvents with PUMA Technology?

    No. Traditional construction solvents such as xylene, mineral spirits, acetone, isopropyl alcohol, etc. cannot be used with PUMA Technology. All cleaning of tools and coating must be done with Tremco PUMA Cleaner.

  • What is the minimum temperature for application and curing of PUMA Technology?

    PUMA Technology can be applied down to 20 ˚F (-7 ˚C).

  • Is the odor emitted by PUMA Technology harmful?

    No. Tremco PUMA Components contain both polyurethane methacrylate and methyl methacrylate. While these ingredients carry a distinct odor, neither are harmful. In fact, the chemical makeup is almost identical to acrylics used in nail salons.

  • How long between coats do i have to wait during the application of PUMA Technology?

    Each layer of all PUMA Technology systems cure in 30-45 minutes and the next coat can be applied at that time. In fact, they can be opened up to traffic one hour after installation is complete.

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