Sika Level 325

Sika Level 325 is a high-performance, one-component cementitious underlayment designed for both interior and exterior concrete and cement-based surfaces. This versatile product can be applied manually or via pump, providing a self-smoothing, fast-setting, and flat surface that creates an ideal foundation for floor finishes. With a typical application thickness range from 1/8” to 3” (3 mm to 76 mm), it ensures a durable and reliable substrate for a variety of flooring systems. Perfect for both residential and commercial projects, it guarantees an efficient and smooth preparation layer.

Why Choose Sika Level 325 ?

• Self-Leveling and Versatile: Ideal for both new and renovation projects, providing a smooth, flat surface for a variety of flooring systems.
• Interior and Exterior Use: Perfect for both indoor and outdoor applications, offering durability and flexibility in different environments.
• Compatible with Subfloor Heating Systems: Can be used over underfloor heating, improving comfort and energy efficiency in residential and commercial spaces.
• High Strength and Low Shrinkage: Provides a strong, durable foundation with minimal shrinkage, ensuring long-lasting floor stability.
• No MVER Limits: Suitable for use on well-prepared concrete with no moisture vapor emission rate (MVER) restrictions, enabling hassle-free installations.

Product Specifications

• Color: Grey Powder
• Packaging: 55 lb (24.9 kg) bag
• Chemical Base: Cement-based, polymer-modified binder system with fillers
• Shelf Life: 12 months from the production date when stored in the original, unopened, and undamaged sealed packaging
• Storage Conditions: Store in dry conditions at 41–86°F (5–30°C); Protect from moisture. If material becomes damp, discard it
• Mixing Ratio: 4.75 quarts (4.5 L) of clean water per bag
• Layer Thickness: Neat - Min. 1/8” (3 mm), Max. 3” (76 mm); Extended - Min. 1/4" (6 mm), Max. 4" (102 mm)
• Product Temperature: 65–75°F (18–24°C)
• Ambient Air Temperature: 41–86°F (5–30°C)
• Relative Air Humidity: < 75%
• Substrate Temperature: 41–86°F (5–30°C)
• Pot Life: Approx. 20 minutes (temperature dependent); Above 73°F (23°C) - Reduces pot life and working time; Below 73°F (23°C) - Extends pot life and working time
• Waiting / Recoat Times: Walk-on time: 4 hours; Non-moisture sensitive floor covering - 4 hours; Moisture-sensitive floor covering - 24 hours (up to 3/8" [9.5 mm])
• Best Results for Water-Based Adhesives: Achieved at ambient and substrate temperatures between 59–77°F (15–25°C).
• Substrate & Uncured Product Temperature: Must be at least 5°F above dew point to prevent condensation, blooming, or cement laitance.

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