United Coatings PMMA Catalyst

A reactive agent used to induce curing of United Coatings PMMA Flashing Resins, supplied as a white granular powder in premeasured packets.

Why United Coatings PMMA Catalyst?

  • Premeasured packets for easier mixing


United Coatings PMMA Catalyst is to be mixed with United Coating PMMA Resin – Summer or Winter Grade. United Coatings PMMA Flashing Resin – Summer & Winter Grade are designed to reinforce areas of BUR and SBS substrates that are heavily alligatored or contain numerous cracks, seams, joints, or splits.


Mixing & Catalyzing: United Coatings PMMA Flashing Resin – Summer & Winter Grade is a two-part system which must be mixed with United Coatings PMMA Catalyst.

Sizes Available

Available in a specifically designed vented box containing 10 premeasured 0.1 kg (100 grams) (3.2 oz) plastic bags (1 kg total).

  • A 1-tablespoon measuring scoop is included in each box.
  • One (1) tablespoon equals approximately 0.01 kg of United Coatings PMMA Catalyst.

Colors Available


Physical Properties

Application Temperature (Air) 59°F (15°C) – 104°F (40°C)
Application Temperature (Surface) 50°F – 122°F (10°C – 50°C)


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