Bostik SL-100 UNDERLAYMENT

Bostik Self-Leveling Underlayment Systems SL-100™ A cement-based self-leveling underlayment engineered to create smooth, flat, and level surfaces before the installation of compatible floor coverings. SL-100™ combines extended working time, low shrinkage, flexible installation thickness, and professional leveling performance for residential, commercial, renovation, and new-construction projects. Product Highlights Material Type Cement Based Self-leveling underlayment Thickness 1/4"–3" Up to 5" when extended Working Time Approx. 25 Min. Healing and pour merging Walkable Time 2–3 Hours Approximate return to foot traffic Product Features Extended Working Time Maintains healing and pour-merging properties for up to approximately 25 minutes. Fast Return to Service Walkable in approximately 2 to 3 hours after installation. Flexible Installation Thickness Can be installed from 1/4 inch to 3 inches neat and extended up to 5 inches. Pump or Barrel Mixing Suitable for professional pumping applications and traditional barrel-mixing methods. Featheredge Capability Can be feathered to meet existing elevations and create smoother floor transitions. Mold and Mildew Resistant Formulated to support durable floor preparation performance in compatible interior applications. Low-Shrinkage Formula Designed to create smooth, flat surfaces while helping limit shrinkage during curing. Construction-Traffic Durability Can remain exposed to normal construction traffic for up to 12 months. Performance & Specifications Application Performance Application Thickness 1/4"–3" Neat Extended Thickness Up to 5" Working Time Approximately 25 Minutes Walkable Time Approximately 2–3 Hours System Compatibility Traffic Exposure Up to 12 Months Adhesive Compatibility Adhesives Approved for Concrete Recycled Content 21% Concrete Compatibility Green Concrete Recommended Applications Commercial Renovations Creates smooth, level surfaces across commercial floor areas before compatible finish-floor installation. Residential Floor Preparation Suitable for apartments, homes, condominiums, and residential renovation projects. Wood and Resilient Flooring Creates a flat substrate before compatible hardwood, LVT, tile, carpet, and resilient flooring systems. Concrete Surface Correction Helps correct uneven floors, variations in elevation, and surface imperfections. Renovation Projects Provides dependable leveling performance where immediate next-day floor-covering installation is not required. New Construction Suitable for professional floor preparation in new residential and commercial construction. Product Image Product Resources Technical Data Sheet SL-100™ Technical Data Sheet Safety Data Sheet SL-100™ Safety Data Sheet Project Specifications SL-100™ 3-Part Specifications FloorScore Certification Registration SCS-FS-08384 Surface Preparation Bostik Surface Preparation Sell Sheet Application Tip: Maintain consistent water measurement, mixing time, and placement procedures so adjoining pours merge within the available working time. Important: Review the current Bostik Technical Data Sheet before installation. Confirm substrate suitability, primer requirements, preparation method, mixing instructions, aggregate-extension requirements, application thickness, curing conditions, and floor-covering installation times.