Please note that for Easter, will be closed on Monday 21 April. Our showrooms will be open on Saturday 19 April. We will be back to regular business hours on Tuesday 22 April 2025.
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.
When properly prepared, suitable substrates include:
• Concrete
• Ceramic, porcelain or quarry tile
• Pavers
• Cement or epoxy terrazzo
• Cement backerboard
• Metal
• VCT or full glued down, non-cushioned vinyl sheetgoods
• Exterior grade plywood (with reinforcement lath)
• Oriented Strand Board (OSB) (with reinforcement lath)
• Gypsum substrates (properly primed) with minimum tensile bond strength 72 psi (0.5 MPa)