MasterSeal SL 100

A Hybrid, Self-Leveling 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. It is a fast-curing, class 35, easy-to-apply sealant.​

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 sealant 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

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

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Related Literature

BASF introduces MasterSeal SL 100 self-leveling sealant for damp and green concrete applications

pdf (54.32 Kb)

Certification Letter

pdf (98.82 Kb)

Data Guide

pdf (121.82 Kb)

Data Guide

pdf (177.43 Kb)

Data Guide

pdf (103.15 Kb)

LEED Letter

pdf (38.91 Kb)

LEED v4 Letter

pdf (39.79 Kb)