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Use RLA TruLevel BulkFill UT for: High-build levelling of concrete floors, correcting uneven surfaces, and preparing for various floor coverings.
RLA TruLevel BulkFill UT is a premium, high-build self-levelling compound designed for internal concrete substrates. It efficiently corrects surface irregularities from 3mm to 70mm, providing a smooth, durable base for diverse flooring installations. This cementitious underlayment is formulated for rapid setting and high mechanical strength, making it ideal for trade professionals seeking a reliable and efficient levelling solution. Suitable for carpet, tiles, and floating floors, TruLevel BulkFill UT ensures quick installation and excellent surface preparation.
Key Features
- High-build capability: 3mm to 70mm thickness in a single application.
- Rapid setting and hardening: Walkable in 3-4 hours, ready for flooring in 24-36 hours.
- Excellent flow properties for smooth, even surfaces.
- High mechanical resistance and compressive strength.
- Pumpable for efficient large-area applications.
- Compatible with underfloor heating systems.
Technical Overview
- Chemical Properties: Rapid setting and hydrating cement, graded silica sand, resins, and additives.
- Application Temperature Range: +5°C to +35°C.
Trade Professional Information
- Required Tools: Drill with mixing paddle, gauge rake, stand-up spreader, or trowel.
- Trade-Specific Tips: Ensure thorough mixing for 3 minutes to avoid lumps. Prime porous and non-porous surfaces correctly. Do not overwater the mix.
- Common Issues and Solutions: Pinholes on porous surfaces (apply a second primer coat), bleeding and separation (avoid overwatering).
Storage and Shelf Life
- Storage Requirements: Store in a dry area off the ground, in original unopened packaging.
- Shelf Life Information: 12 months from the date of production.
- Temperature Considerations: Avoid extreme temperatures during storage and application.
Certifications
- EN 13813: CT-C30-F6.
Related Products
- RLA Universal Primer
- RLA Moisture Seal
- RLA TruLevel EconoPro
- RLA TruLevel TuffTop
Uses
- Levelling internal concrete substrates.
- Preparing floors for carpet, carpet tiles, ceramic tiles, and floating floor finishes.
- Covering underfloor heating systems.
Benefits
- Achieves a smooth, level surface quickly.
- Reduces installation time with rapid setting.
- Provides a strong, durable base for various floor coverings.
- Easy application with pumpable options.
- Ensures high mechanical strength and long-term performance.
Application Guide
- Prepare the substrate: Clean, dry, and sound.
- Prime the substrate with RLA Universal Primer (diluted for porous, neat for non-porous).
- Mix RLA TruLevel BulkFill UT with 3.6-3.8 litres of clean water for 3 minutes.
- Apply the mixture using a gauge rake, spreader, or trowel at the desired thickness (3-70mm).
- Allow 3-4 hours for setting and 24-36 hours before installing floor coverings.
- For vinyl or rubber flooring, apply a 2-3mm coat of TruLevel EconoPro or TuffTop.
Limitations
- Not suitable for direct stick timber flooring.
- Do not apply to substrates subject to rising dampness.
- Do not apply over expansion joints.
- Internal use only.
- Wear respiratory protection, eye protection, and gloves.
- Avoid dust inhalation and skin/eye contact.
- Do not eat, drink, or smoke during use.
RLA TruLevel BulkFill UT is suitable for the following Substrates:
- Concrete
- Ceramic tiles (with proper surface preparation)
- Burnished concrete
- Liquid waterproofing membranes
