Dur-A-Fast Gemstone PMMA Trowel
Polyurethane Methyl Methacrylate based Multi-Coloured Decorative Coating

1.8 m²/10kg kit @ 3mm (20 ft²/22 lbs kit @ 1/8 m²)

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Dur-A-Fast Gemstone PMMA Trowel is a polyurethane modified methyl methacrylate decorative, trowel applied coating with high build, multi-coloured aggregates with oversized Mica flakes to yield a finish that replicates the look of granite. It is the decorative coating for Dur-A-Fast Gemstone Decorative System.

  • Aesthetically pleasing
  • Granite-like finish
  • Polyurethane modified Methyl Methacrylate based technology
  • Extremely rapid curing, ready for sealcoat within 45 minutes (depending on temperature). 
  • Cold curing capability, cures down to 0oC
  • Excellent water immersion properties
  • High chemical resistance to acids, alkalis, salts, seawater, sewage and other compounds
  • Fast curing properties
  • Abrasion resistant, tough product
  • UV Resistant
  • Can be installed vertically and horizontally



Dur-A-Fast Gemstone PMMA is used as the decorative coat, part of the Dur-A-Fast Gemstone Trowel system. Dur-A-Fast Gemstone PMMA Trowel is a hand applied, durable decorative coating that can be used for a variety of areas. Dur-A-Fast Gemstone PMMA is also used for balcony terraces and pedestiran walkways, vehicle garages, parking stalls, plazas, patios, pool and recreational decks, in addition to commercial and store front applications and stadiums.

Physical Properties

Multi-Coloured Aggregate Blends

Resin Type

Polyurethane modified Methyl Methacrylate

Mix Ratio

Part A (resin): Part B (Initiator): Part C (Colored Aggregates)

Cure Time @ 23°C
  • To touch: 30 minutes
  • To recoat: 45 minutes
  • Traffic: 2 hours
  • Fully Cured: 5 days
Pot Life @ 23°C

10 minutes


1.8 m²/10kg kit @ 3mm (20 ft²/22 lbs kit @ 1/8 m²) *varies on system*

Performance Properties
Method Results
Abrasion Resistant

ASTM 5178-91, CS-17 wheel

75 mg, 1000 g load, 1000 cycles

Tensile Strength

ASTM D 638-86

1,680 psi

Tear Strength

ASTM D624 Die C

160 lbf


ASTM D 638-86


Water Absorption


<0.1% (Sealed w/ Dur-A-Fast Sealcoat Clear)

Shore D Hardness

ASTM D 2240


Pull-Off Strength of Coatings

ASTM D 4541

3.35 MPa (480 psi) over concrete surface

Percent Solids

ASTM D7232-06



ASTM D3960

0 g/L

Specific Gravity

ASTM D 333

1.6 m2 0.05 g/L