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SL-Gyp™

Hybrid Gypsum-Based Self Leveling Underlayment
Where to Buy
Product overview

SL-Gyp is a premium, hybrid gypsum / cement-based, self-leveling underlayment that can be installed from 1/4" up to 2" thickness without extension. It is designed for use over distressed gypsum subfloors, light weight concrete, mud beds, structurally sound wood, adhesive residue and it is ideal for use on radiant or in-floor heating systems.

SL-Gyp can also be used for certain low-prep applications where shot-blasting and mechanically cleaning substrates cannot be done

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

Smart Advantages

 
Install from 1/4" to 2" neat
Walkable in 3 to 4 hours
Install floor covering in 2 days

Latest news

Apr 15 2024
  • Wall & Floor
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XL Brands Announces New Distribution Relationship with BPI

Starting April 15, 2024, XL Brands, a leading provider of professional flooring ...
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Apr 25 2023
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Bostik to Aid NFCAP Train Flooring Contractors Nationwide

The National Flooring Contractors Apprenticeship Program (NFCAP), launched officially in 2020, ...
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Next events

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Bostik Academy
Surface Prep, Tiling, and Soft Flooring Training

May 21 - 22, 2024
Bostik Academy – New Jersey
301 Grove Road, Suite 100
West Deptford, NJ 08086

Presented by Bostik, learn about our innovative surface prep, tiling, and soft flooring training ...

SL-Gyp can also be used for certain low-prep applications where shot-blasting and mechanically cleaning substrates cannot be done.

 

Product Features

  • Ideal for pumping

  • Maintains healing and pour merging properties for up to 20 minutes

  • Exceptional compressive strength – 5,000 psi

  • Suitable for use with in-floor hydronic and electric radiant heating systems

  • Ideal for repairing distressed gypsum and sound plywood substrates

  • Can be used over mud beds and lightweight concrete

  • Ideal for low-prep applications

  • Rapid strength gain

  • Contributes points to LEED® certified projects 

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