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Continue ShoppingBostik SL-175 Premium Self-Leveling Underlayment & Wear Layer
- $34.99
Bostik SL-175 Premium Self-Leveling Underlayment & Wear Layer
- $34.99
SELF-LEVELING UNDERLAYMENT & WEAR LAYER
Bostik SL-175™
Premium Self-Leveling Underlayment & Wear Layer
SL-175™ is a premium cement-based self-leveling underlayment designed to create smooth, flat, and level surfaces prior to flooring installation. Its long working time, low shrinkage, and superior leveling properties make it ideal for demanding applications on, above, or below grade. SL-175™ can also be used as a durable wear layer with decorative finish options.
Premium self-leveling • Underlayment & wear layer • Fast return to service • Decorative concrete look • Pumpable • Commercial & residential use
Product Features
Fast Return To Service
Walkable in approximately 1–2 hours after installation.
Underlayment or Wear Layer
Can be used beneath floor coverings or left exposed as a durable wear layer.
Flexible Installation Thickness
Can be installed from 1/8" to 2" neat and up to 5" properly extended.
Excellent Flow & Leveling
Maintains healing and pour merging properties for up to 20 minutes.
Decorative Finish Options
May be pigmented with topical stains, dyes, or surface treatments for a natural concrete look.
Pumping Applications
Ideal for professional pumping applications on larger floor areas.
Mold & Mildew Resistant
Designed for long-term flooring performance and durability.
Green Concrete Compatible
Can be installed over green concrete for early construction phase applications.
Performance & Specifications
| Application Thickness | 1/8" – 2" neat / up to 5" properly extended |
| Working / Healing Time | Maintains healing and pour merging properties up to 20 minutes |
| Walkable Time | Approx. 1–2 hours |
| Use | Self-leveling underlayment or durable wear layer |
| Traffic Exposure | Can be left open to normal construction traffic |
| Formulation | High-performance calcium aluminate formulation |
| Environmental Contribution | 21% recycled content • Contributes points to LEED™ certified projects |
| Floor Transitions | Can be feather-edged to meet existing elevations |
Recommended Applications
Demanding Floor Preparation
Ideal for projects requiring smooth, level, and durable substrate preparation.
Wear Layer Applications
Suitable as a decorative wear layer when a natural concrete appearance is desired.
Commercial Projects
Strong performance for retail, office, hospitality, healthcare, and industrial spaces.
New Construction & Renovation
Designed for on-grade, above-grade, and below-grade applications.
📎 Product Resources
Premium Leveling Performance with Wear Layer Versatility
Bostik SL-175™ delivers smooth, durable, and decorative-ready floor preparation for demanding commercial, residential, and industrial projects requiring superior leveling and long-term performance.
