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SikaSeal®-105

Multi-Purpose Waterproofing Slurry

SikaSeal®-105 is a cement based, polymer modified, 2-component, multipurpose waterproofing slurry. SikaSeal®-105 combines a crystallization action and pore blocking effect with the excellent waterproofing ability of special polymers, fillers, and properly graded aggregates. Suitable for use in tropical and hot climatic conditions.

SikaSeal®-105 is part of a complete Sika System for the economical water proofing of water containment structures. SikaSeal®-105 offers the following advantages:
  • Pre-batched components (no water added).
  • Impermeable
  • Brush, trowel or spray applied.
  • Good adhesion to sound substrates
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Usage

SikaSeal®-105 is used as an economical and easy to use waterproofing slurry both for external and internal applications. SikaSeal®-105 is suitable for the following applications:
  • Water and sewage works, such as tanks and manholes
  • Basements and lift pits
  • Retaining walls and bridge structures
  • Sea walls and irrigation channels
  • Balconies, bathrooms etc.
SikaSeal®-105 can be used against positive and negative water pressure.  

Advantages

SikaSeal®-105 is part of a complete Sika System for the economical water proofing of water containment structures. SikaSeal®-105 offers the following advantages:
  • Pre-batched components (no water added).
  • Impermeable
  • Brush, trowel or spray applied.
  • Good adhesion to sound substrates

Packaging

25 kg units (5 kg pails of component A and 20 kg bags of component B)

Colour

Component A: White liquid
Component B: Grey powder

Product Details

Product Information

Composition

Cement, selected graded aggregates and polymer dispersion.

Shelf life

12 months minimum from production date if stored properly in original unopened packaging.

Storage conditions

Store in a dry area in original sealed packaging between 5 °C and 35 °C. Protect from direct sunlight.

Density

~2.00 kg/l at 23 °C (fresh mortar)

Maximum Grain Size

~0.6 mm
Technical Information

Compressive Strength

>30 N/mm2 (28 days)

(EN 196)

Tensile Strength in Flexure

~9.6 N/mm2 (28 days)

(EN 196)

Tensile Adhesion Strength

~1.5 N/mm2 

(ASTM D 4541)

Application

Application Information

Mixing Ratio

Used as slurry, A : B

1 : 4 by weight

Used as mortar, A : B

1 : 4.5 by weight

Layer Thickness

1 mm min. / 2 mm max. per coat

Ambient Air Temperature

+5 °C min. / +40 °C max.

Substrate Temperature

+5 °C min. / +40 °C max.

Pot Life

+25 °C

+40 °C

~60 min.

~30 min.

Waiting Time / Overcoating

Approximately 3 hours maximum at 30 °C before applying subsequent coats.
5 to 7 days approximately (depending on thickness) before painting with compatible decorative coatings.
Consumption

Consumption

2.0 kg/m2 minimum / 4.0 kg/m2 maximum.
Consumption depends on substrate roughness, surface profile, wastage etc. For water retaining structures, use total of 4.0 – 8.0 kg/m2 of SikaSeal®-105 depending on water head. Apply a minimum of two coats.
For damp proofing, use a minimum of 2.0 kg/m2.
Application steps

MIXING

Stir component A (liquid) thoroughly before pouring into a clean mixing container.
Add component B (powder) slowly while mixing continuously. Use forced action mixers or low speed electric mixers (maximum 500 rpm) with basket type mixing blades for 3 minutes avoiding entrapment of air. By adding the powder in portions, the desired application consistency can be obtained. For a trowelable consistency use about 90 % of component A approximately 4.5 kg).

 

APPLICATION

While the substrate is still in a saturated surface dry condition, apply the first coat by notched trowel and leave to harden. Apply the second coat as soon as possible, after hardening of the first coat, to ensure proper adhesion between layers.

 

Slurry: Apply by spray or with a hard bristle brush or broom. Apply the second coat at right angles to the first.

 

Mortar: For the trowelable mortar use a notched trowel for the first coat. Apply the second coat into the notches and smoothen the surface. For floor applications, to avoid risk of damage to the first coat, it is recommended to apply the second coat after 24 hours. In such cases, the first coat should be slightly re-wetted. After application of the second coat, finish SikaSeal®-105 by rubbing down with a soft dry sponge.

 

Spray: The product can also be sprayed with a suitable mortar pump. For example Wagner PlastCoast 830 spraypack and a 4 mm nozzle. Refer to Sika’s Technical Department for further advice.

 

In case of a third coat, scratch the surface of the second coat with the edge of the trowel to provide a mechanical key.
For further information please consult our Technical Department.

 

CURING TREATMENT

Protect from rapid drying by applying a Sika® Antisol® curing compound or protecting with polythene sheeting.

CLEANING OF EQUIPMENT

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

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