HYDRO BARRIER™ is a thin, load bearing, self curing liquid rubber polymer which can be easily applied to form a flexible, seamless waterproof anti-fracture membrane.

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Features & Benefits

  • Allows for flood testing in 24 hours.*
  • Thin; only 0.020–0.030" (0.5–0.8 mm) thick when cured.
  • Changes in color from a light blue to darker blue when cured.
  • Anti-fracture protection of up to 1/8" (3 mm) over shrinkage and other non-structural cracks.
  • “Extra Heavy Service” rating per TCNA performance levels (RE: ASTM C627 Robinson Floor Test).
  • Exceeds ANSI A118.10 and A118.12.
  • Fast curing; allows foot traffic in 4–6 hours @ 70°F (21°C), 50% RH.
  • Lighter color for ease of inspection.
  • Safe—no solvents and non-flammable.
  • Install tile, brick and stone directly onto membrane.

* When cured 70°F (21°C) or higher at 50% RH lower temperature at higher RH will require long cure times.

How to Use

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Product Information

HYDRO BARRIER is a thin, load bearing, self curing liquid rubber polymer which can be easily applied to form a flexible seamless waterproof/anti-fracture membrane. HYDRO BARRIER can be used on interior and exterior, horizontal or vertical surfaces and is approved by IAPMO for use as shower pan liner.

  • Product #: 9256-XXXX-X
  • Packaging Sizes:
    • Full Unit:
      • 3.5 gal (13.3 L) pail liquid
    • Mini Unit:
      • 4 x 1 gal (3.8 L) pails of liquid packed in a carton
  • Part of System: LATICRETE®
  • United States
  • Canada

Product Data Sheets


  • DS-230.05APD LATICRETE 5 Year System Warranty (United States and Canada)
  • DS-230.13 LATICRETE Product Warranty

Installation Information

  • DS-105.5 Installation Instructions (English/Español)

Safety Data Sheets

Approvals, Certifications and Environmental

Marketing Information