Sika SikaGrout 350 is a precision-engineered, high-performance cementitious grout formulated for demanding deep pour applications where structural integrity and dimensional stability are critical. This non-shrink, non-metallic grout combines Portland cement with carefully graded aggregates and advanced Sika admixtures to deliver exceptional early strength development and ultimate performance. Designed for grouting large sections and deep pours up to 12 inches, it provides excellent flow characteristics and shrinkage compensation properties that ensure reliable performance in heavy-duty structural applications where equipment alignment and long-term durability are essential.
This free-flowing, pumpable grout achieves impressive strength milestones, reaching 4,000 psi compressive strength in just 24 hours and 10,000 psi at 28 days, making it ideal for applications requiring rapid return to service. Its superior flow retention and non-bleeding characteristics allow for complete void filling and optimal bonding to existing concrete and steel substrates without segregation. The grout’s thermal resistance, freeze-thaw durability, and non-corrosive properties make it suitable for both indoor and outdoor applications across various temperature ranges and environmental conditions.
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Key Features of Sika SikaGrout 350
- High Early Strength Development
Achieves 4,000 psi compressive strength in 24 hours, reaching 8,250 psi at 7 days and 10,000 psi at 28 days for rapid project completion. - Deep Pour Capability
Engineered for applications from 1/2 inch to 12 inches thick, enabling mass grouting operations without lift restrictions. - Excellent Flow and Retention
Self-leveling properties with extended working time (90+ minutes pot life) ensure complete void filling and optimal placement. - Shrinkage Compensating Properties
Non-shrink formulation maintains dimensional stability and prevents cracking during curing for long-term structural integrity. - Superior Durability
Exceptional freeze-thaw resistance (>99% after 300 cycles) and thermal stability for demanding environmental conditions. - Non-Corrosive to Steel
Safe for use around reinforcing steel and embedded metal components without causing corrosion or deterioration.
Recommended Applications for Sika SikaGrout 350
Sika SikaGrout 350 is engineered for contractors and engineers working on critical infrastructure projects where precision grouting and structural performance are paramount. Its deep pour capabilities and high-strength characteristics make it particularly suitable for heavy machinery installations, precast construction, and mass grouting applications where conventional grouts would require multiple lifts or fail to achieve required performance standards.
Ideal Applications Include:
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- Machine base plates and heavy equipment foundations
- Bedding joints in precast concrete construction
- Bridge bearing pads and structural supports
- Mass grouting of large voids and cavities
- Anchor bolt installations and embedments
- Sealing around penetrations and connections
- Structural repairs requiring confined placement
Technical Specifications – SikaGrout-350
High performance, deep pour, non-shrink cementitious grout for heavy equipment and structural applications.
10,000 PSI 28-Day Strength
12″ (300mm) Max Pour Depth
Non-Shrink Formula
>90 min Working Time
Non-Shrink Formula
Deep Pour Capability
Pumpable & Free-Flowing
Non-Corrosive to Steel
Frequently Asked Questions
What is the maximum pour thickness for SikaGrout 350?
SikaGrout 350 can be poured in single lifts up to 12 inches (300 mm) thick, making it ideal for mass grouting applications without the need for multiple pours.
How long is the working time and when can equipment be loaded?
The grout provides over 90 minutes of pot life at 73°F, allowing ample time for mixing and placement. Equipment can typically be loaded once the grout reaches adequate strength, usually within 24-48 hours depending on conditions.
Can it be used in cold weather conditions?
Yes, but follow ACI 306 guidelines for cold weather concreting. Use warm water for mixing and protect from freezing during the curing period for optimal results.
What type of surface preparation is required?
Surfaces must be clean, sound, and free of oil, grease, and loose material. Substrates should be saturated surface dry (SSD) with no standing water present during application.
Is it suitable for overhead or patching applications?
No. SikaGrout 350 must be used in confined areas and is not designed for patching, overlay work, or unconfined applications where it cannot be properly contained.
What are the shelf life and storage requirements?
The product has a 12-month shelf life when stored in original, unopened packaging in dry conditions between 40-95°F (4-35°C). Protect from moisture and discard if material becomes damp.
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