Uraflex Mechanical Room Waterproofing System
Mechanical Rooms Waterproofing System
Description

Uraflex Mechanical Room Waterproofing System is a high-performance waterproofing system for mechanical rooms. The system consists of an elastomeric membrane base coat, Uraflex 360 Elastomeric Polyurethane Waterproofing Membrane, and an easy-to-use protective topcoat, Epoxy Guard Pro Professional Use Quick-Drying Water Based Epoxy Coating.

Advantages
  • Abrasion resistant and elastomeric
  • Waterproof
  • Sound deadening 
  • Potential LEED credits
  • Very low odour, solvent free and minimal disturbance to tenants
  • Durable, long-lasting and easy to clean
  • Protects from hairline cracks
Uses

Uraflex Mechanical Room Waterproofing System is intended for use as a protective mechanical room waterproofing system. It is used for suspended slab mechanical rooms with no floors below and is ideal for mechanical rooms, sensitive equipment and server rooms.

Physical Properties
PROPERTIES

URAFLEX 360 BASECOAT

EPOXY GUARD PRO TOPCOAT

Colour

Beige

Please see Durex® Colour Selection Guide for available colour options.

Resin Type

Polyurethane/Hybrid polyol

Water-based epoxy

Mix Ratio
  • Part A (Resin):Part B (Urethane)
  • 3:1 by volume
  • Part A (Resin):Part B (Urethane)
  • 2:1 by volume
Coverage

1.2 m2/L (50 ft2/gal) @ 30 mils

7 m2/L (400 ft2/gal) @ 2 mils/coat; 2 coats

Cure Time @ 35-40°C
  • To touch: 6 hours
  • To recoat: 8 hours
  • Handling time: 25-35 minutes
  • To touch: 2 hours
  • To recoat: 3 hours
  • Light traffic: 6 hours
  • Fully cured: 7 days
Pot Life @ 23°C

20 minutes

3 hours

Recommended Film Thickness

20 mils DFT

20 mils DFT

pH Level

7-8

Performance Properties
TEST

METHOD

URAFLEX 360 BASECOAT

EPOXY GUARD PRO TOPCOAT

Percent Solids

ASTM D7232

100%

50 ± 2% (vol.) clear

V.O.C.

ASTM D3960

0 g/L

< 30 g/L

Specific Gravity

ASTM D333

1.20 ± 0.05 g/L

  • 1.07 ± 0.01 g/L
  • 8.90 ± 0.1 lb/gal
Viscosity (Brookfield 23°C)

ASTM D2196

2,500 cps

Abrasion Resistance
  • ASTM 5178
  • CS-17 Wheel
  • 75 mg loss,
  • 1000 g load, 1000 cycles
  • 100 mg loss,
  • 1000 g load, 1000 cycles
Tensile Strength

ASTM D412

1,350 psi

Tear Strength

ASTM D624

Elongation

ASTM D412

900%

Flexural Modulus

ASTM D522

  • 2 mm film passes
  • 12 mm mandrel
Low Temperature Flexibility

1/8 in. mandrel @ -26°C

Water Absorption

ASTM D570

< 0.5%

Water Vapour Transmission

ASTM E96- Procedure B

  • 0.05 g/hr·pi2
  • 0.029 g/hr·m2
Water Vapour Permeability

ASTM E96

  • 0.20 perm in.
  • 0.0025 ng/Pa·s·m2
Water Vapour Permeance

ASTM E96

  • 4.70 x 10-5 perm
  • 0.028 ng/Pa·s·m2
Shore D Hardness

ASTM D2240

71

System Layer Optional Products Per Layer Notes
Primer
Optional
Membrane
 
Top Coat