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LATICRETE Hydro Barrier Plus Waterproofing Crack Isolation Membrane 3.5 Gallon

4.4 (1) Write Review
Free shipping on orders over $29.99

$174.57

$ 74 .99 $74.99

In Stock

About this item

  • Allows for flood testing in 12 hours
  • Changes in color from a light blue to darker blue when cured
  • No additional fabric required
  • Anti-fracture protection of up to 1/8"
  • Exceeds ANSI A118.10 and A118.12
  • Safe no solvents and non-flammable


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


A. Lata
Reviewed in the United States on February 7, 2025
I recently used the LATICRETE Hydro Barrier Plus Waterproofing Crack Isolation Membrane (3.5 gallon) while refinishing a shower, and the results were outstanding. The product was easy to apply, and it created a seamless, reliable waterproof barrier that gave me total peace of mind. It’s also great at isolating cracks, ensuring long-lasting protection. If you’re looking for a dependable waterproofing solution for your next tiling or shower project, I highly recommend this one.