Sika SikaEmaco 440 55lb Bag

SikaEmaco 440 is a low dust one-component, shrinkage-compensated, self consolidating repair mortar. It is designed for large volume repairs, including structural elements in applications from 1.5" to full depth.

Dual Expansion System
Low Dust
High Early Strength

$32.69

SKU

20181

SikaEmaco 440 – Self-Consolidating Structural Repair Mortar (55 lb Bag)

SikaEmaco 440 is a high-performance, one-component repair mortar designed for large-volume, structural concrete repair. This self-consolidating, low-dust, shrinkage-compensated mortar offers excellent flowability and can be pumped or poured into congested areas without vibration, minimizing honeycombing. Ideal for both formed horizontal and vertical repairs, it achieves high early and ultimate strengths and provides long-term durability with superior freeze-thaw stability, chloride resistance, and low permeability. SikaEmaco 440 is suited for structural replacement or repair of deteriorated concrete in both interior and exterior applications, with placement thicknesses ranging from 1.5 inches to full depth.

Key Features:

Self-consolidating and pumpable for easy placement without vibration
Low-dust formulation improves worker comfort and jobsite cleanliness
Shrinkage-compensated in plastic and hardened states
High early strength – 2,500 psi in 1 day
Excellent freeze/thaw durability and low permeability
Extended workability and superior flowability in congested areas
Interior and exterior structural repairs from 1.5 inches to full depth
Compatible with bonding agents and corrosion protection coatings

Applications:

Large-volume structural concrete repairs
Replacement of deteriorated concrete members
Formed horizontal, vertical, and overhead repairs
Repairs in parking garages, bridges, tunnels, and infrastructure
Pump base and machine pad repair and replacement

Technical Specifications:

Property	Value
Compressive Strength (ASTM C109)	1 Day: 2,500 psi, 7 Days: 5,000 psi, 28 Days: 6,000 psi
Flexural Strength (ASTM C348)	28 Days: 1,150 psi
Splitting Tensile Strength (ASTM C496)	28 Days: 500 psi
Shear Bond Strength (ASTM C882 Modified)	28 Days: 3,000 psi
Shrinkage (ASTM C157)	Unmodified: 350 μstrain, Modified: 611 μstrain at 21 Days
Flowability (Slump Flow ASTM C1611)	25 in (63.5 cm)
Yield	0.43 ft³ per 55 lb bag
Freeze-Thaw Resistance (ASTM C666)	100% Relative Dynamic Modulus

Frequently Asked Questions:

What is the minimum and maximum application thickness for SikaEmaco 440?
SikaEmaco 440 should be applied at a minimum of 1.5 inches and can be placed to full depth as required.

Is vibration needed during placement?
No, SikaEmaco 440 is self-consolidating and does not require vibration for proper placement.

Can this product be used in exterior repairs?
Yes, it is suitable for both interior and exterior applications and provides excellent durability in freeze/thaw conditions.

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