Bostik around the world

 Our main brands

  • Product

SL-175™

Premium Self-Leveling Underlayment & Wear Layer
Where to Buy
Product overview

SL-175 is a premium, cement-based, self-leveling underlayment that can be used to create a smooth, flat or level surface prior to the installation of floor coverings. It's long working time, low shrinkage and superior leveling properties make it the ideal product for demanding applications on, above or below grade.

Geographic availability
  • Canada
  • United States of America
Available sizes
50 lb bag

Smart Advantages

 
Install from 1/8" to 2" neat
Walkable in 1 to 2 hours
Install floor covering in 6-16 hours

Latest news

Apr 25 2023
  • Social Responsability
  • Careers
  • Wall & Floor
  • Bostik Academy
  • News

Bostik to Aid NFCAP Train Flooring Contractors Nationwide

The National Flooring Contractors Apprenticeship Program (NFCAP), launched officially in 2020, ...
Read more
NFCAP-training_640x480.jpg
NFCAP-training_640x480.jpg

Next events

bostik-academy-hardwood-in-person-training-2023_640x480.jpg

Surface Prep & Hardwood Adhesives | Hands-on-Training

November 15-16, 2023
Bostik Academy - Temecula:
27460 Bostik Ct.,
Temecula, CA 92950

Surface Prep & Hardwood Adhesives in-person training includes materials, meals, and 1-night hotel ...

NFCAP-training_640x480.jpg

Surface Preparation and Tiling/GPTP Training | Hands on Training

November 14-15, 2023
Bostik Academy
11320 W Watertown Plank Rd.
Wauwatosa, WI

FREE HANDS-ON TRAINING! Includes materials, meals, and hotel for out-of-town students.

bostik-academy-hardwood-in-person-training_640x480.jpg

Surface Prep & Hardwood Adhesives | Hands-on-Training

October 18-19, 2023
Bostik Academy - Temecula:
27460 Bostik Ct.,
Temecula, CA 92950

Surface Prep & Hardwood Adhesives in-person training includes materials, meals, and 1-night hotel ...

floor-preparation-finnish_640x480.jpg

Bostik Days |
Surface Preparation Products

October 4 - November 9, 2023
Various Old Master Products Locations

Presented by Bostik, learn about our innovative Surface Prep products.

Bostik SL-175 is also a durable wear layer when a natural concrete look is desired. Topical stains, dyes and surface treatments further expand the decorative possibilities.

 

Product Features

  • Fast return to service; walkable in just 1-2 hours
  • Can be installed from 1/8" - 2" neat and to 5" properly extended
  • Maintains healing and pour merging properties for up to 20 minutes
  • May be pigmented with topical stains, dyes or surface treatments
  • Mold and mildew resistant
  • Ideal for pumping applications
  • Can be used as an underlayment or wear layer
  • Can be left open to normal construction traffic
  • Contributes points to LEED® certified projects
  • Can be installed over “green concrete” for early construction phase applications
  • Can be feather-edged to meet existing elevations
  • High performance, calcium aluminate formulation
  • 21% recycled content

Associated Videos

Related products

Roll-Cote_1_4_gal_041121_372x279.jpg
Roll-Cote_1_4_gal_041121_372x279.jpg
Roll-Cote™
  • Product
High-Performance Moisture-Vapor-Barrier Coating and Primer
sl-rapid-self-leveling-underlayment-image_372x240-copy.jpg
sl-rapid-self-leveling-underlayment-image_372x240-copy.jpg
SL-Rapid™
  • Product
Rapid Setting Self-Leveling Underlayment
bostimat_productsignpost_372x240_0012.jpg
bostimat_productsignpost_372x240_0012.jpg
BostiMat™
  • Product
Fiber Reinforcement Matrix Sheet
collomix_productsignpost_372x240_0012.jpg
collomix_productsignpost_372x240_0012.jpg
Collomix Mixer
  • Product
Levmix 65 Mobile Mixer
bostik-d-250-moisture-vapor-barrier-coating-image_372x2402.jpg
bostik-d-250-moisture-vapor-barrier-coating-image_372x2402.jpg
D-250™
  • Product
Moisture Vapor Barrier Coating
levelingpins_productsignpost_372x240_0012.jpg
levelingpins_productsignpost_372x240_0012.jpg
Leveling Pins
  • Product
A visual guide to ensure consistency and accuracy of pour depths
mvp4-moisture-cure-urethane-for-wood-floors-image_372x2402.jpg
mvp4-moisture-cure-urethane-for-wood-floors-image_372x2402.jpg
MVP4®
  • Product
Moisture Vapor Protection, Anti-Fracture and Noise Reduction Membrane
sl-100-self-leveling-underlayment-image_372x240.jpg
sl-100-self-leveling-underlayment-image_372x240.jpg
SL-100™
  • Product
Self-Leveling Underlayment
sl-200_productsignpost_372x240.jpg
sl-200_productsignpost_372x240.jpg
SL-200™
  • Product
Ultra Fluid Self-Smoothing Underlayment
sl-gyp_productsignpost_372x240_0012.jpg
sl-gyp_productsignpost_372x240_0012.jpg
SL-Gyp™
  • Product
Hybrid Gypsum-Based Self Leveling Underlayment
sl-primer-self-leveling-underlayment-primer-image_372x240-copy.jpg
sl-primer-self-leveling-underlayment-primer-image_372x240-copy.jpg
SL-Primer™
  • Product
Self-Leveling Underlayment Primer
self-leveling-toolkit_productsignpost_372x2402.jpg
self-leveling-toolkit_productsignpost_372x2402.jpg
Self Leveling Tool Kit
  • Product
Simplify your Bostik smart adhesive installation
slab-coteab_productsignpost_372x240_001.jpg
slab-coteab_productsignpost_372x240_001.jpg
Slab-Cote™
  • Product
Extreme Moisture Vapor Barrier Coating
totalprime-multi-surface-bond-enhancing-primer-image_372x240.jpg
totalprime-multi-surface-bond-enhancing-primer-image_372x240.jpg
TOTALPrime™
  • Product
Multi-Surface Bond-Enhancing Primer
ultrafinishpro_productsignpost_372x240_0012.jpg
ultrafinishpro_productsignpost_372x240_0012.jpg
UltraFinish™ Pro
  • Product
Premium Portland Cement Repair Patch
ultraramp_productsignpost_372x240_0012.jpg
ultraramp_productsignpost_372x240_0012.jpg
UltraRamp™
  • Product
Premium Portland Cement Ramping Patch
universal-primer-pro-self-leveling-underlayment-primer-image_372x240.jpg
universal-primer-pro-self-leveling-underlayment-primer-image_372x240.jpg
Universal Primer™ Pro
  • Product
Deep Penetrating Primer
bostik-webcrete-95-floor-patch-image_372x240.jpg
bostik-webcrete-95-floor-patch-image_372x240.jpg
Webcrete® 95
  • Product
Fast-Setting, High Strength, Floor Patch
webcrete98_productsignpost_372x240_0012.jpg
webcrete98_productsignpost_372x240_0012.jpg
Webcrete® 98
  • Product
Premium, Fast-Setting, Polymer-Modified, Portland Cement Patch
webpatch-d-9001_productsignpost_372x2402.jpg
webpatch-d-9001_productsignpost_372x2402.jpg
Webpatch® D-9001
  • Product
Fast-Setting Polymer-Fortified Gypsum Patch
Top