MasterSeal SL 100: High performance, one-component, self-leveling, hybrid sealant

How does MasterSeal SL 100 work?

MasterSeal SL 100 hybrid, one-component, self-leveling sealant can be applied on green and damp concrete substrates. MasterSeal SL 100 is a fast curing, class 35, easy to apply sealant. It combines the best qualities of organic and silicone sealants to keep moving joints weather-tight.

Recommended uses:

  • Horizontal expansion and control joints
  • Interior and exterior applications
  • On concrete, metal & stone substrates
  • Parking structures
  • Balconies
  • Plaza decks
  • Sidewalks and walkways
  • Driveways
  • Industrial Floors

What are the unique features of MasterSeal SL 100?

  • Can be applied to damp and green concrete substrates
  • Fast skin time of 5-45 minutes depending upon environmental conditions
  • Isocyanate free
  • One-component, no need to mix
  • Self-leveling with controlled flow, pourable
  • Movement capability of ±35% allows expansion and contraction with joint movement
  • Wide service temperature range
  • Highly UV resistant
  • Plastic pail for ease of use (opening and resealing)
  • Meets all state and federal VOC regulations

What are the benefits of MasterSeal SL 100?

  • Application versality simplifies product selection process
  • Fast curing helps to speed up job production
  • Easy to gun for quicker installations

US / Canada Product Information

Data Guide

Data Guide - French

Data Guide - Spanish

LEED Letter

LEED v4 Letter

Safety Data Sheets






Safety Data Sheet (SDS)

Find all available safety data sheets for this product.


Related Literature