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Sika Damp Proofing Slurry, Waterproof and damp-proof protective coating, Interior & Exterior, Cement Grey, 25 kg

Sika Damp Proofing Slurry, Waterproof and damp-proof protective coating, Interior & Exterior, Cement Grey, 25 kg

Cement & Mortar
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging 25 kg
Usage Waterproofing for basements, tanks, pools, walls, and floors
Usage Area Interior & Exterior
Color Cement grey
Chemical Base Portland cement selected aggregate and polymers
Storage Conditions Must be stored properly in undamaged and unopened original sealed packaging in dry and cool conditions.
Density 2.1 kg/L (1.8 kg/L powder)
Application Thickness 1 mm >< 2 mm
Ambient Air Temperature +5°C >< +35°C
Substrate Temperature +5°C >< +35°C
Working time 30 minutes
Waiting Time 30 minutes
Consumption 2.1 kg/m²/mm

Damp-proofing and Waterproof Coating

Sika® Damp Proofing Slurry is a one part polymer modified cement based waterproof coating comprising of special cement based components and admixtures.  When mixed with water a slurry or mortar material is produced for direct application to a variety of construction substrates.

  • Low odour compared to bitumen coatings
  • Easy to use and apply
  • BBA approved
  • Just add water
Usage
Sika® Damp Proofing Slurry is used for:
  • Waterproof coating for tanking residential/domestic basements
  • Thin layer mortar or slurry coating/lining
  • For internal waterproofing/damp-proofing of basement and cellar walls and floors
  • For interior and exterior damp-proofing of basement walls in new buildings
  • For interior and exterior waterproofing of concrete, renders, brickwork and blockwork structures
  • Lining of water tanks, pools, planters etc
Advantages
  • Low odour compared to bitumen coatings
  • Easy to use and apply
  • BBA approved
  • Just add water
 
  • Brush, trowel or spray applied
  • Easy and fast mixing
  • Consistency can be varied to suit application method
  • Good adhesion
  • Excellent workability
  • Protects against water penetration
  • Conforms to BS 8102:2022 as a polymer-cement  based waterproof coating for Type A shallow basement structures – Grades 1, 2 and 3
Packaging

25 kg bags
Colour

Cement grey
Technical Information
Compressive Strength

3 days

~ 20 N/mm2

28 days

~ 40 N/mm2

Modulus of Elasticity in Compression

Static: ~ 18 kN/mm2

Flexural Strength

3 days

~ 5 N/mm2

28 days

~ 9 N/mm2

Tensile adhesion strength

>1.5 N/mm2 (failure in substrate)

Permeability to Water Vapour

3 MNsg-1
Application Information
Layer Thickness

1.0 mm min.
2.0 mm max.


For damp-proofing use minimum 2.0 mm thickness
For waterproofing use minimum 4.0mm thickness
Ambient Air Temperature

+5°C min. / +35°C max.
Substrate Temperature

+5°C min. / +35°C max.
Pot Life

~ 30 minutes at +20°C
Waiting Time / Overcoating

Apply 2nd coat within 24 hours of first coat.