Skip to Content

Sika MonoTop-4100 Protect, Repair and waterproof mortar for damaged concrete, Interior & Exterior, Grey Powder, 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.

Read more
https://www.polytrade.global/web/image/product.template/17661/image_1920?unique=ab4a244
You have already submitted a query for this product today.

This combination does not exist.

Cementitious R4 mortar for repairing, protecting and waterproofing concrete structures

Sika MonoTop-4100 Protect is a one-part, cementitious, fibre reinforced, low shrinkage, R4 Classification concrete repair mortar. It is suitable for repairing, protecting and waterproofing concrete structures.
 

  • Does not require a bonding primer ('all-in-one' product).
  • Sulphate resistant.
  • Layer thickness 4–60 mm.
  • Hand and machine application (wet spray technique).
  • Easy to apply.
  • Very low shrinkage behaviour.
  • Low permeability.
  • Suitable for contact with drinking water.
  • EuroClass A1 reaction to fire rating.
  • Class R4 of EN 1504-3.
  • Restoration work (Principle 3, method 3.1 and 3.3 of EN 1504-9). Repair of spalling and damaged concrete in infrastructure and superstructure works.
  • Structural strengthening (Principle 4, method 4.4 pf EN 1504-9). Increasing the bearing capacity of the concrete structure by adding mortar.
  • Preserving or restoring passivity (Principle 7, method 7.1 and 7.2 of EN 1504-9) - Increasing cover with additional mortar and replacing contaminated or carbonated concrete.
  • Moisture control (Principle 2, method 2.3 of EN 1504-9) - Coating.
  • Increasing resistivity (Principle 8, method 8.3 of EN 1504-9) - Coating.
Usage
Sika MonoTop-4100 Protect may only be used by experienced professionals.          Repairs, protects and waterproofs all types of reinforced concrete structures and components for:        
  • Bridges
  • Buildings
  • Civil engineering structures
  • Marine structures
  • Dams
  • Potable water structures
  • Waste water systems unexposed to biogenic sulphuric acid corrosion (for areas subject to this, use Sika MonoTop-4400 MIC)
  • Structures requiring a Class R4, R3, R2, R1 mortar
  • Interior and exterior use
 
Advantages
  • Does not require a bonding primer ('all-in-one' product). 
  • Sulphate resistant.
  • Layer thickness 4–60 mm.
  • Hand and machine application (wet spray technique).
  • Easy to apply.
  • Very low shrinkage behaviour.
  • Low permeability.
  • Suitable for contact with drinking water.
  • EuroClass A1 reaction to fire rating. 
  • Class R4 of EN 1504-3. 
  • Restoration work (Principle 3, method 3.1 and 3.3 of EN 1504-9). Repair of spalling and damaged concrete in infrastructure and superstructure works.
  • Structural strengthening (Principle 4, method 4.4 pf EN 1504-9). Increasing the bearing capacity of the concrete structure by adding mortar.
  • Preserving or restoring passivity (Principle 7, method 7.1 and 7.2 of EN 1504-9) - Increasing cover with additional mortar and replacing contaminated or carbonated concrete. 
  • Moisture control (Principle 2, method 2.3 of EN 1504-9) - Coating.
  • Increasing resistivity (Principle 8, method 8.3 of EN 1504-9) - Coating. 
Packaging

25 kg bag

Colour

Grey powder

Technical Information
Compressive Strength

Time

Strength

1 day

~15 MPa

7 days

~40 MPa

28 days~50 MPa

Modulus of Elasticity in Compression

≥ 20 GPa

(EN 13412)

Flexural Strength

Time

Strength

1 day

~4 MPa

7 days

~5 MPa

28 days~6 MPa

Tensile adhesion strength

≥ 2.0 MPa

(EN 1542)

Shrinkage

~500 μm/m (+20 °C / 65 % relative humidity at 28 days)

(EN 12617-4)

Restrained Shrinkage / Expansion

≥ 2.0 MPa

(EN 12617-4)

Capillary Absorption

≤ 0.1 kg·m-2·h-0.5

(EN 1062-3)

Water Penetration under Pressure

~10 mm 

(EN 12390-8)

Water Penetration under Negative Pressure

No humidity in the surface

Permeability to Water Vapour

SD= 1 m, Class I

(EN ISO 7783)

Carbonation Resistance

dk ≤ control concrete MC (0.45)

(EN 13295)

Reaction to Fire

EuroClass A1

(EN 1504-3 cl. 5.5)

 

Application Information
Mixing Ratio

4.4 to 4.5 litres of water for 25 kg bag

Fresh mortar density

~2.1 kg/l

Layer Thickness

4 mm minimum / 60 mm maximum

Ambient Air Temperature

+5 °C minimum / +30 °C maximum

Substrate Temperature

+5 °C minimum / +30 °C maximum

Pot Life

~45 minutes at +20 °C