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SikaTop®-107 Seal PK

SikaTop®-107 Seal PK

SKU : SikaTop Seal-107

(1 customer review)

2-component, pre-dosed, ready-for-use waterproofing slurry based on resin-modified cementitious material. For external and internal waterproofing and damp-proofing of concrete, mortar, brickwork and steel. Complies with EN 1504-2 as a protective coating.

SikaTop®-107 Seal PK

2-Component Polymer-Modified Cementitious Waterproofing Slurry

Pre-Dosed MixFactory pre-dosed 2-component set, easy to mix and use.
Adjustable ConsistencyApply by brush or trowel as needed.
Excellent AdhesionBonds strongly to sound substrates.
Impermeable & WatertightNo penetration under negative 5 bar pressure.
Crack BridgingSlightly flexible; bridges cracks up to 1.2 mm.
Non-Toxic & Non-CorrosiveNon-flammable; no drying or shrinkage cracks if used per instructions.
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Product At a Glance

Mixing WaterNo penetration (negative 5 bar, 72 hrs, ~0 mm)
Application ThicknessMin. 0.75 mm / Max. 1.5 mm per coat
Pot LifeApprox. 50 minutes at +25 C
Temperature Range+5 C to +35 C

Key Benefits

  • Pre-Dosed Mix
  • Adjustable Consistency
  • Excellent Adhesion
  • Impermeable & Watertight
  • Crack Bridging
  • Non-Toxic & Non-Corrosive
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SikaTop®-107 Seal PK – 2-Component Polymer-Modified Cementitious Waterproofing Slurry

SikaTop®-107 Seal PK is a 2-component, pre-dosed, ready-to-use waterproofing slurry based on resin-modified cementitious material. It is used for internal and external waterproofing and damp-proofing of concrete, mortar, brickwork and steel.

Recommended Uses

  • Basements
  • Swimming pools
  • Water tanks
  • Flat roofs
  • Balconies and terraces
  • Bridges
  • Retaining and sea walls
  • Tunnels

Technical Information

Verified performance data for SikaTop®-107 Seal PK, taken directly from the Sika Pakistan Product Data Sheet.

Chemical Base
Cement, selected graded aggregates and polymer dispersion (2-component)
Appearance / Colour
A: white liquid; B: grey powder; A+B: grey slurry
Compressive Strength
Approx. 40 N/mm2 (28 days, ASTM C109)
Tensile Strength in Flexure
Approx. 9 N/mm2 (28 days, ASTM C348)
Tensile Adhesion Strength
Approx. 1 N/mm2 (ASTM D4541)
Shore A Hardness
Approx. 90 (ASTM D2240-05)
Elongation (14 days)
Approx. 66%
Crack Bridging Ability
1.2 mm
Water Tightness
No penetration (negative 5 bar, 72 hrs, ~0 mm)
Mixing Ratio
1:4 by weight (brush); 1:4.5 by weight (trowel)
Consumption
Approx. 1 kg/m2 per coat (2 coats recommended)
Layer Thickness
Min. 0.75 mm / Max. 1.5 mm per coat
Fresh Mortar Density
2.1-2.2 kg/L (A+B mixed)
Pot Life
Approx. 50 minutes at +25 C
Ambient / Substrate Temperature
+5 C to +35 C

Source: Sika Pakistan Product Data Sheet, SikaTop®-107 Seal PK (May 2026, v03.02).

Packaging & Storage

Packaging

25 kg set (5 kg component A liquid + 20 kg component B powder)

Storage

Store in original unopened packaging in cool, dry conditions between +5 C and +35 C. Protect from direct sunlight, heat and moisture.

Shelf Life

Minimum 6 months from production date (correctly stored).

Application Guide (5 Easy Steps)

01
Substrate Preparation

Concrete, mortar and brickwork must be sound, clean and free of oil, grease, dust and laitance. Thoroughly water absorbent substrates so they are damp before the first coat. Steel/iron must be clean and free of oil, grease and rust.

02
Mixing

Pour half of component A (liquid) into the vessel, add all of component B (powder) and mix to a uniform slurry. Add the remaining component A and mix again to a lump-free mixture using a slow-speed mixer for 2 to 3 minutes. For trowel application use only 90% of component A.

03
First Coat

Apply the first coat onto the still-damp, pre-wetted substrate. By brush use synthetic bristles (rubber slide or push-broom on horizontal surfaces); by trowel use a 3 mm tooth trowel.

04
Second Coat

Apply the second coat once the first has begun to set and can support it, usually after 2 to 6 hours depending on climate (maximum waiting time 48 hours). Apply crosswise to the first coat; minimum two coats, three in areas of severe water penetration.

05
Curing & Cleaning

Protect the fresh coating from direct sunlight, strong wind, rain and water splashes until hardened (approx. 6 hours) using damp hessian or plastic sheet. Clean tools with clean water immediately; hardened material can only be removed mechanically.

Follow the official Sika Technical Data Sheet for full application details.

Frequently Asked Questions

What is SikaTop®-107 Seal PK?

A 2-component, pre-dosed, polymer-modified cementitious waterproofing and damp-proofing slurry for concrete, mortar, brickwork and steel.

Where can it be used?

Internal and external waterproofing of basements, swimming pools, water tanks, flat roofs, balconies, terraces, bridges, retaining walls, sea walls and tunnels.

How many coats are needed?

A minimum of 2 coats is required; in areas of severe water penetration 3 coats may be needed. Consumption is about 1 kg/m2 per coat.

What is the pot life?

Approximately 50 minutes at +25 C.

Can it bridge cracks?

Yes, it is slightly flexible with a crack-bridging ability of about 1.2 mm.

What is the packaging?

A 25 kg set comprising a 5 kg can of component A (liquid) and a 20 kg bag of component B (powder).

View all questions

Customer Reviews (1)

5Based on 1 review

  1. Syed Mazhar Hussain

    Good Quality Product

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