LS 400 HF is formulated for your fast-track applications. Our new self-leveling underlayment is pourable or pumpable and provides a smooth surface for finished floor coverings. Its high flow distance combined with its self-healing properties reduces jobsite labor and saves time. LS 400 HF is ready for tile in 2-3 hours and moisture sensitive flooring in 15 hours, which allows you to finish jobs faster.

• High flow distance and speed reduces labor and produces a super smooth surface
• Once cured, no need for additional sanding or skim coating
• For installations ranging from 1/16"-11/2"
• Can be featheredged to adjoining elevations
• Up to 60 minutes of working time
• Formulated for fast-track applications - walkable in 2-3 hours
• Install moisture sensitive floor covering in 15 hours and ceramic tile in 2-3 hours
• Compatible with all types of floor covering - wood, vinyl planks & sheet goods, linoleum, rubber, ceramic LFT, VCT etc.
• Contributes to LEED project points
• Zero VOC