KIT - MasterSeal M265 Waterproofing Basecoat 5G

KIT - MasterSeal M265 Waterproofing Basecoat 5G

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MasterSeal M 265 Traffic-Grade Waterproofing Basecoat. 2-Part Fast-Curing High Solids Polyurethane Base Coat. 


A TWO component fast-curing traffic grade polyurethane waterproofing basecoat. Quick Return to Service: Cures in 3-4 hours at 70F. Cures in cool weather, down to 40F. Very low odor. Suitable for occupied application areas. Very Durable: Can be used for vehicular or pedestrian traffic. High Solids. Excellent chemical resistance. Protects against common deck chemicals including gasoline, diesel fuel, oil, de-icing salts, bleach, and cleaning agents. 265-M basecoat is used in conjunction with a conipur 78 Primer and MasterSeal 275 or 285 Topcoat, or Sonoguard Topcoat to form a finished system (topcoats not included in this kit). 


Use on high-traffic areas including parking ramps, mechanical rooms, stadiums, balconies, plaza decks, balcony decks etc.

Substrate Types

Exterior-grade plywood or concrete. Not for use over asphalt or bitumen type surfaces.

Use Locations

Interior or Exterior, Above Grade.


5 Gallon. Both components are shipped in the same container.

Data Sheets


Shipping is currently available in Canada only. Ground shipping only.