MasterProtect EL 750AA: Algae-resistant, water-based, smooth, 100% acrylic, elastomeric, waterproof coating

Formerly: Thorolastic A+

How does MasterProtect EL 750AA work?

MasterProtect EL 750AA is an algae-resistant, high-build, water-based, elastomeric, 100% acrylic, waterproof coating. Its resistance to algae growth makes it appropriate for humid environments.

Recommended uses:

  • Exterior
  • Vertical surfaces
  • Above grade
  • Protecting and waterproofing

What are the unique features of MasterProtect EL 750AA?

  • 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 750AA?

  • Resistant to algae growth on the coating and suitable for humid conditions
  • 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

LEED Letter

Safety Data Sheets (SDS):

MasterProtect EL 750AA - Medium

MasterProtect EL 750AA - Neutral

MasterProtect EL 750AA - Pastel

MasterProtect EL 750AA - Smooth Series Medium

MasterProtect EL 750AA - Smooth Series Neutral

MasterProtect EL 750AA - Smooth Series Pastel

MasterProtect EL 750AA - Ultra Deep

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

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Product Certifications

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Related Literature

Certification Letter

pdf (76.52 Kb)

Data Guide

pdf (107.18 Kb)

LEED Letter

pdf (107.31 Kb)