Sika Top Seal 107 Cementitious Waterproofing & Protective Coating 25KG Set (Part A: 20KG + Part B: 5KG)

Description 
• Previously known as SikaTop® Seal-107.
• SikaTop® Seal-107 (MY) is a two part polymer modified cementitious waterproof mortar slurry comprising of a liquid polymer and a cement based mix incorporating special admixtures. It is applied to concrete and mortar to prevent water infiltration.

Characteristics / Advantages
• Pre-batched components - mixes and applies easily. 
• Slurry or trowellable consistency. 
• Good adhesion to sound, prepared substrates. 
• Increased frost and salt resistance. 
• Protects against concrete carbonation and water penetration. 
• Non-toxic - suitable for contact with drinking water. 
• Non-corrosive to steel and iron. 

Specification
Product Information
• Composition:
   - Part A: Liquid polymer and additive
   - Part B: Portland cement, selected aggregate and additives
• Packaging:
   - Part A: 5 kg can
   - Part B: 20 kg bag
   - Part A+B: 25 kg set
• Appearance / Colour:
   - Part A: White liquid
   - Part B: Grey powder
   - Part A+B: Grey slurry
• Shelf Life: 6 months from the date of production
• Storage Conditions: Stored properly in original, unopened and undamaged sealed packaging in dry conditions. Protect from direct sunlight, rain, water and moisture.
Technical Information
• Tensile Adhesion Strength:
   ~0.7 N/mm² (EN 1542)
   - Tested under laboratory controlled conditions. Results may vary at site conditions.
• Permeability to Water Vapour: < 5 m (EN ISO 7783-1 & 7783-2)
• Capillary Absorption: < 0.1 kg/m².h 0.5 (EN 1062-3)
• Permeability to Carbon Dioxide: > 50 m (EN 1062-6)
Application Information
• Fresh Mortar Density: 1.9–2.0 kg/l
• Consumption:
   - Waterproofing bathrooms, terraces and balconies is 1.0 kg/m² per coat.
   - Waterproofing coating more than 1 m waterhead is 1.5 kg/m² per coat.
   - As a protective coating is 2.0 kg/m² per coat.
Notes:
   - SikaTop® Seal-107 (MY) must be applied in minimum of 2 coats, including upturns up to 300 mm height.
   - 3 coats may be required in areas of extremely high infiltration.
   - For upturn more 300 mm height, please contact Sika's Technical Service Department.
• Pot Life: ~30 minutes (at +30 °C). Pot life will be shortened at higher temperatures.
• Waiting Time / Overcoating:
Waiting Time
   - The waiting time between coats is 4–8 hours (at +30 °C).
Overcoating
   - For overcoating with other cementitious materials, allow the second coat to harden for at least 3 days prior to overcoating.
   - For use in water-retaining structures or for applying renders over it or for overcoating with non-cementitious materials, please contact Sika's Technical Service Department.
• Curing Treatment: Generally not required but precautions should be taken for applications done directly under sunlight and windy conditions.

Uses
SikaTop Seal-107 (MY) is used for:
• Interior and exterior waterproofing and damp-proofing of concrete, cementitious rendering, brickwork and blockwork. 
• Protection of concrete structures against the effects of de-icing salts and freeze-thaw attacks. 
• Exterior waterproofing of basement walls in new construction and refurbishment. 
• Pore/blowhole filling. 
• Rigid waterproofing of water tanks, swimming pools, etc. 
• Sealing fine "hairline" cracks in concrete structures not subject to movement. 
• Sealing internal basement walls against dampness. 
• Levelling mortar for concrete repair works.
Areas of application
▪ Potable concrete water tanks.
▪ Basements.
▪ Terraces and balconies.
▪ Retaining walls.
▪ Fountains.
▪ RC gutters and planter boxes.
▪ Bathroom floors.
▪ Seawalls.
 

​​​​​​​Application
▪ Whilst the substrate is still damp from saturation, apply the first coat.
▪ Leave to harden for approximately 4–8 hours at temperatures above 20 °C before applying the second coat.
As a slurry
▪ Apply the mixed SikaTop® Seal-107 (MY) by hand using a hard plastic bristled brush or broom.
▪ Applied in the same direction.
▪ Apply the second coat of SikaTop® Seal-107 (MY) in crosswise direction to the first application as soon as first coat has hardened.
As a mortar
▪ SikaTop® Seal-107 (MY) is applied by trowel (e.g. for a smooth surface finish), the product must be mixed with a 10 % reduction of part A.
▪ Apply the second coat of SikaTop® Seal-107 (MY) as soon as the first coat has hardened.
▪ For pore / blowhole filling, tightly trowel into the pores / blowholes of the surface.
▪ For floor applications, to avoid risk of damage to the first coat, it is recommended that the second coat be applied before 24 hours.
▪ If the second coat is applied 12 hours or later, the first coat shall be slightly prewetted, preferably by using a fine spray.
▪ After the second coat has been applied, a better finish can be achieved by rubbing down with a soft, dry sponge.
▪ For more details, please contact Sika Technical Service Department.

Important Considerations
▪ SikaTop® Seal-107 (MY) is not a decorative treatment and may display signs of “blooming” after rain or in damp weather. This does not affect the performance of the coating, in any way. Where a decorative finish is required, overpaint SikaTop® Seal-107 (MY) with any approved Sika solvent based protective and decorative coatings, e.g. Sikagard®-680 MY.
▪ Avoid application under direct sun and/or strong wind. Do not add water in any circumstances. Apply only to sound, prepared substrates - surfaces should be well dampened but free of surface water and leaks.
▪ For waterproofing or damp proofing application, always use at least 2 coats to give a total thickness of between 1.0–2.0 mm. In areas of severe water penetration, three coats might be required.
▪ Protect freshly applied material against direct sunlight, strong winds, rain and dust for at least 8 hours.
▪ SikaTop® Seal-107 (MY) does not provide a trafficable finish. Protect with screed mixed with SikaLatex® MY (Refer to SikaLatex® MY Product Data Sheet).
▪ For waterproofing / damp-proofing works, special attention is required to avoid puncturing the waterproof coating with fixings.
▪ When used in contact with potable water structures, ensure that all associated products and construction materials also comply with the local regulations for contact with potable water.

Product Data Sheet (PDS).pdf