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MER-KRETE

3.5-Gallon Hydro Guard SP-1

Mfg.#
126SU SP-1
Sku#
3955382
  • 100% waterproof membrane for residential and commercial
  • Interior load bearing waterproof and crack isolation membrane
  • Covers any architectural design form or irregular shape

* Estimated stock levels as of Wed, Apr 1, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Merkrete Hydro Guard SP1 is a fast-drying, thin, load-bearing waterproof and crack isolation membrane composed of modified elastomeric copolymers. With excellent elongation, adhesion and strength properties, Hydro Guard SP1 provides a 100% waterproof membrane that limits the transfer of substrate cracks to the finished ceramic or stone tile surface. Hydro Guard SP1 is installed in a liquid state and can be applied to practically any form or irregular shape forming a monolithic waterproof barrier.

Specifications

General

Adhesion Strength >250psi
Applicable Materials Metal, PVC, stainless steel and ABS drains
Application Method Trowel, airless sprayer, paint brush and roller
Application Temperature 40º F to 110º F (at installation) 35º F to 150º F (after installation)
Coverage 175 sq ft
Drying time 2 hours at 70º F and 50% R.H
Elongation 300 - 400%
Indoor/Outdoor Indoor/Outdoor
Porosity No transmission (115 psi for one hour)
Type Tile Adhesive
VOC Content 2 g/l VOC

Dimensions

Size 3.5 gal

Manufacturing Details
The following information is subject to change without notice

Prop 65 Warning Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Label Information

Certification, Codes, Standards Exceeds ANSI A118.10 and A118.12 membrane requirements; Low VOC, Meets SCAQMD Rule 1113 when using Parex USA Non-VOC Colorants

Related Documents

Brochure (PDF)

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