MasterProtect EL 850: Silicone-modified, anti-carbonation, elastomeric waterproof coating

Formerly: Silflex

 

How does MasterProtect EL 850 work?

MasterProtect EL 850 is a water-based, silicone-modified, elastomeric coating for waterproofing exterior surfaces. It has superior crack-bridging ability with a total elongation of 700%. It retards carbonation of concrete. It complies with Federal Specification TT-C-555B, Type II.

Recommended uses:

  • Exterior
  • Vertical surfaces
  • Above grade

What are the unique features of MasterProtect EL 850?

  • Available in a broad range of colors
  • Resists wind-driven rain; helps prevent water penetration into the substrate
  • Breathable to allow water vapor to escape
  • Excellent adhesion, bonds securely to substrate for long-term durability
  • Excellent hiding power
  • Low VOC content for broad compliance across all regions
  • Resistant to dirt pickup

What are the benefits of MasterProtect EL 850?

  • Silicone-modified acrylic formula is recoatable
  • High elongation and recovery for durable performance over dynamic cracks
  • UV resistance provides excellent color retention for a long-lasting, attractive finish
  • Effective carbon dioxide diffusion barrier, protects embedded steel from corrosion
  • Flexibility at very low temperatures makes it suitable for all climates

US / Canada Product Information

Data Guide

Data Guide (French)

Data Guide (Spanish)

Certification Letter

Guide Spec

LEED Letter

Safety Data Sheets - Color Series Medium

Safety Data Sheets - Color Series Pastel

Safety Data Sheets - Color Series Neutral

Safety Data Sheets - Color Series Tint Base

Safety Data Sheets - Color Series Ultra

Safety Data Sheets - Tint Base Medium

Safety Data Sheets - Tint Base Pastel

Safety Data Sheets - Tint Base Ultra Deep



 

Safety Data Sheet (SDS)

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