Cem-Kote Flex ST

Cem-Kote Flex ST is designed for positive and negative water-proofing of concrete structures in new construction and restoration. It is suitable for water and waste water tanks, secondary contain-ment structures, tunnels, concrete slabs, balconies and patios with light to medium traffic.

MANUFACTURER: Gemite Products Inc.

PRODUCT DESCRIPTION

Basic Use

Cem-Kote Flex ST is designed for positive and negative waterproofing of concrete structures in new construction and restoration. It is suitable for water and waste water tanks, secondary containment structures, tunnels, concrete slabs, balconies and patios with light to medium traffic.

Composition and Materials

Cem-Kote Flex ST is a highly flexible, fibre-reinforced, breathable, cementitious slurry, consisting of dry Component A and liquid Component B.

Health and Safety

Cem-Kote Flex ST is non-toxic. Your skin might be sensitive to hydraulic cement, or the liquid additive. We recommend use of rubber gloves. Avoid contact with eyes and prolonged contact with skin. If contact occurs, flush immediately with water. Seek medical advice if irritation occurs. Harmful if digested. Keep product out of reach of children. FOR INDUSTRIAL USE ONLY. Consult MSDS for additional information.

  • Approved ANSI/NSF Standard 61- Barrier Materials
  • Superior flexibility
  • Bridges substrate crack up to 1/16 in – 1.6 mm
  • Long term crack resistance
  • Fast cure waterproofing
  • Approved for potable water tanks (>10,000 USG / 38m3
  • Superior freeze/thaw resistance
  • Excellent salt scaling resistance
  • Effective protection against acid rain
  • Self-curing
  • Continuous water immersion possible
  • Superior negative/positive waterproofing
  • Breathable
  • Salt resistant
  • Easy mixing & Application = Sprayable
ITEM
SPECIFICATION

Ultimate Tensile Strain (ASTM D412 Mod.) at 20o C, non-reinforced
at 20C, reinforced

20%
30%

Ultimate Tensile Stress (ASTM D412 Mod.) at 20 oC, non-reinforced
at 20C, reinforced

0.82 MPa (120 psi)
3.05 MPa (440 psi)

Crack Spanning (Gemite ISO TP 005) at 20 oC, non-reinforced
at 20C, reinforced

0.5 mm (20 mils)
1.6 mm (63 mils)

Water Vapor Permeance, (ASTM E96) wet cup 1.6 mm,

697 ng/Pa.s.m2 (12.8 perms)

Water Vapor Permeability, Engelfried-Klopfer Sd < 3 m

Sd = 0.265 m

Salt Scaling Resistance, (ASTM C672)

excellent

Hydraulic Impermeability TTP 1411 (negative side), 2 mm thickness

water head >38.4 m (>126 ft)

A high porosity concrete block, coated with Cem-Kote Flex ST, “burst” at 38.4 m (126 ft) water head pressure with Cem-Kote Flex ST showing no sign of wetness.

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