U-POL 688 Flowable Glaze – Self-Leveling Finishing Putty (Includes Hardener)

For a flawless final finish, reach for U-POL 688 Flowable Glaze. Designed as a final skim coat over repairs, this premium flowable glaze delivers excellent leveling, pinhole-free performance, and easy sanding — ensuring your work looks showroom perfect.

Smooth, easy to spread, and self-leveling, U-POL 688 is versatile enough to go direct to metal and a wide variety of surfaces. Perfect for both professionals and DIYers who want pro-grade results.

Features & Benefits:

• ✅ Self-Leveling & Smooth: Flows out perfectly for pinhole-free results

• ✅ Effortless Spreading: Smooth and easy to apply

• ✅ Sands Like a Dream: Cuts your prep time with easy sanding properties

• ✅ Versatile: Bonds to metal, plastics, fiberglass, OEM paints, aluminum, and more

• ✅ Professional Finish: Ideal for final skim coats and light imperfections

• ✅ Includes Hardener: Everything you need in one kit

Applications:

• Final skim coat over repairs

• Minor surface imperfections

• Use on:

  • Direct to metal

  • OEM paint surfaces

  • Aluminum

  • Galvanized

  • SMC (Sheet Molding Compound)

  • Fiberglass

  • Lightly abraded E-coat

  • Most plastics

What’s Included:

• U-POL 688 Flowable Glaze

• Cream Hardener