DEMCO PUR 340 FLEX COAT is a two component, solvent free, polyurethane based elastic coating. It is used to in terrace, roof, swimming pool, bathroom to provide mechanical strength and waterproofing. It is used in places which is requested elasticity. It does not require any maintenance. It can be applied in open areas such as basketball, volleyball, tennis, running, walking paths etc.


  • High elasticity, aesthetic appearance,
  • Can be used indoors and outdoors,
  • Not being affected by sudden temperature changes,
  • Self-leveling due to good spreadability,
  • Ability to adhere to primed concrete, wood and metal surfaces and work with these surfaces.

Technical Properties

Number of Components 2
Mixing Ratio (by weight) A/B (82/18)
Mixing Density (g/cm3 (TS EN ISO 2811-1) 1,25 ± 0,10
Pot Life ( min., 23°C, 100 ml ) (DIN 16945) 50-90
Mixing Viscosity (mPas, 25°C) (EN ISO 3219) 1000 – 2000
Curing Time ( 23°C ) ( TS 4317 )
Dry to Touch (Hours) 8 – 10
Fully Cured (Week) 1
Wear Resistance (mg) (Taber,CS17, 1kg,1000 devir) (ASTM D 4060) ~ 30

Storage and Shelf Life

It should be kept in its original, unopened package and in closed and dry places, which are at 15 – 25°C. It must not stay under direct sunlight. Under these conditions, the shelf life is 12 months.


Total : 20 kg (A: 16,40 kg /B: 3,60 kg)


DEMCO PUR 340 FLEX Data Sheet