Product Data Sheet Show all documents

SikaTop®-570 Seal

(former MasterSeal® 570)

Elastomeric acrylic reinforced cementitious waterproof coating

SikaTop®-570 Seal is a two-component elastomeric acrylic modified cementitious coating that requires only on site mixing to form the ideal product to waterproof and resurface concrete, masonry, and most other construction materials. Simply applied by stiff brush, roller, or trowel, it forms a waterproof, flexible coating. Suitable for use in hot and tropical climatic conditions.

  • Quick and easy brush or roller application
  • Excellent adhesion. Bonds to porous and non-porous surfaces
  • Flexible
  • Suitable for light pedestrian traffic
  • Breathable - whilst repelling water
  • High resistance to chloride ion diffusion
  • SikaTop®-570 Seal can be applied to 24 hour-old concrete thereby giving immediate protection
Product Data Sheet Show all documents

Usage

  • As a waterproof lining for water retaining structures.
  • Sealing and coating tie bar holes to ensure watertightness.
  • For waterproofing and protection against brackish water.
  • To provide foundation protection.
  • Waterproofing and protection of terraces, balconies, bathrooms and other wet areas where tiles are to be installed directly on top of the membrane using a proprietary tile adhesive.
  • As a backing to marble and granite to prevent water ingress and thus alleviate surface staining.
  • To provide protection to concrete surfaces from carbonation and chloride attack.
  • For use on pedestrian walkways in marine areas.
 

Advantages

  • Quick and easy brush or roller application
  • Excellent adhesion. Bonds to porous and non-porous surfaces
  • Flexible
  • Suitable for light pedestrian traffic
  • Breathable - whilst repelling water
  • High resistance to chloride ion diffusion
  • SikaTop®-570 Seal can be applied to 24 hour-old concrete thereby giving immediate protection

Packaging

Supplied in 23 kg unit

Colour

Natural Cement Grey colour

Product Details

Sustainability / Certifications / Approvals

CERTIFICATES AND TEST REPORTS

Tested according to BS 6920: Part 1 2000.
Product Information

Composition

SikaTop®-570 Seal is composed of specially selected cements, silica sand and reactive fillers supplied in powder form together with a liquid component of blended acrylic copolymers and wetting agents.

Shelf life

12 months from date of production if stored properly in undamaged and original sealed packaging.

 

Storage conditions

Store in original unopened packaging in a cool and dry condition between +5 °C and +35 °C. Protect from direct sunlight, heat and moisture.Avoid excessive compaction. Do not stack pallets.

Density

~1.89 kg/l (fresh mortar at +25°C)
Technical Information

Crack bridging ability

Static crack bridging> 2.5 mm

Tensile adhesion strength

~0.5 N/mm2

(on concrete surface, at 28 days)

(BS EN 1542)

Water permeability

≤ 0.1 kg (m2xh0.5)

(BS EN 1062-1: 2004 Classification Cl. 5.6 table 5, Class W3 (low))

Water penetration after capillary absorption

< 5 mm

(BS EN 12390 Part 8: 2009)

Diffusion resistance to carbon dioxide

SD > 50 m

(BS EN 1062-1: 2004 Classification Cl. 5.8 table 7, Class C)

Application

Consumption

Consumption

~1 L / m2 / mm per layer (min. 2 layers recommended)
Application steps

SUBSTRATE PREPARATION

The surface to be coated must be clean and sound. Remove all traces of formwork, release agents, previous coatings, laitance, organic growth and any other contaminants that may affect the bond adversely. Suitable cleaning methods include ultra high-pressure water jetting, grit blasting and grinding. Aggressive percussive methods such as scabbling or scarifying are not recommended unless followed by grit blasting, wire bushing or high-pressure water jetting. After the above treatment, surfaces must be thoroughly rinsed with clean potable water to remove all dust and loose particles.
Crack bolt holes and large surface defects must be cut out and filled.

MIXING

SikaTop®-570 Seal is supplied in premeasured units and should be mixed on site utilising clean containers.
Slowly add the powder to the liquid and mix, using a slow speed drill fitted with a suitable paddle. MIX AND USE. Do not mix more material than can be used in one hour.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.

 

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