Skip to content


by Rosco
Original price $31.00 - Original price $84.00
Original price
$31.00 - $84.00
Current price $31.00
Quantity Price Discount
2+ $30.00 each 3%
6+ $28.00 each 10%
12+ $26.00 each 16%

FlexBond by Rosco - The best coating we've found for thermoplastics and foam!

FlexBond dries to a clear, hard, yet pliable coating that does not suffer from the "tackiness" common in many other flexible glues even after those glues have had days to dry. And unlike ordinary "white" glues which can crack and break when flexed over time, the adhesive bond of Rosco FlexBond remains extremely pliable and strong even as the materials bend and deform. This makes it ideal for coating thermoplastics such as Worbla and Wonderflex. FlexBond is water-based with little fume.

Please Note: While Flexbond is shelf stable for up to 2 years, we do not control when it is bottled in the factory and sent to us. We suggest purchasing your quantity based on what you will use in the next 6 months for best results. 


Size: 16oz

More About Flexbond:
Flexbond has a few specific points that make it really, really handy to use for quick armor priming to get a very smooth finish without too much time or labour.

  • Flexbond has a high surface tension, so brush strokes even out easier than other coatings, giving a smoother surface.
  • Flexbond is meant to be a glue, so it 'grips' itself as you add layers - minimizing drips and runs when applied in thin layers, while still drying without a tacky finish.
  • Flexbond is water soluble, so if you do have drips or runs, they're easy to fix without having to repair a large area.
  • Flexbond dries clear fast - faster than nearly any other brush-on primer.
  • Flexbond is non-toxic, and can be used in small spaces - it doesn't smell bad and won't poison you with fumes.
  • Flexbond, like the name suggests, remains flexible. Pieces can be flexed and struck without chipping or cracking. Toss your armor in your luggage for airport security or build designs that flex on and off without worrying about your finish or last minute touch-ups.
  • Flexbond will coat thermoplastics and foam with the same finish, meaning that you can coat pieces at the same time and paint them without distinct surface differences.
  • Flexbond can smooth Worbla's Finest Art to a smooth, paintable finish in as little as 3 coats, and Black Art in 2, though your mileage (and personal preference) may vary.
  • In very rare cases, Flexbond bottles can develop mould once opened/contaminated. We suggest keeping bottles properly sealed and in a cool space, and never returning used Flexbond back to your bottle.
Want to learn more about Flexbond?
You can see a comprehensive breakdown on Flexbond and how it compares to other primers, as well as application here on

Customer Reviews

Be the first to write a review