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IWS Water Proof Has Been Put to the Test


IWS Water Proof has endured rigorous testing and has a number of high level certifications.

International Code Council (ICC)

The International Code Council is the leading global source of model codes and standards and building safety solutions that include product evaluation, accreditation, technology, training, and certification. The Code Council's codes, standards, and solutions are used to ensure safe, affordable, and sustainable communities and buildings worldwide. (ICC WEBSITE).

IWS Water Proof has received a number of certifications from the ICC for various locations in the United States and Canada.

-ESR-4660 ICC Compliance

-ESR-4660 ICC Compliance LARC, LABC

-ESR-4660 FBC Compliance

-ICC A29 Test Report

-ESL-1263 ICC Compliance - Canada

Miami-Dade County Building Code Product Acceptance

The Miami-Dade County Building Code is one of the world's most comprehensive and strict building codes in the world. IWS Water Proof has acceptance from Miami-Dade County as an approved waterproofing product.

Miami-Dade County prides itself on the following: (

  • Enforcement of building codes and zoning regulations. Issuing of contractor licenses and approvals of construction materials and products. Protection of environmental and historic resources.

  • Review of land development and construction permit applications for compliance with applicable building, zoning, environmental and public works codes, and with the County's Comprehensive Development Master Plan.

  • Promotion of fair competition through consumer protection efforts (licensing, enforcement and mediation), and consumer education efforts focused on youth and families.

  • Development and implementation of economic development strategies for the County overall as well as sector-specific initiatives in the agricultural, entertainment and trade industries.

  • Economic research, land use planning and resilience initiatives to enable sound economic development and policies.

You can find IWS Water Proof's Miami-Dade Notice of Acceptance Here:  IWS Miami Dade NOA

Testing Data on IWS Water Proof for Building Envelope Solutions

IWS Water Proof has high level test results that pertain to its use as a full building envelope solution.


ASTM E2178


The ASTM E2178 standard is the acceptance of a building materials use as an air barrier.



4.1 The purpose of this test is to measure the air permeance of flexible sheet or rigid panel-type materials. The results of this test may be useful in determining suitability of that material as a component of an air retarder system.

4.2 This method does not address the installed air leakage performance of building materials. The installed performance of air retarder materials and air retarder systems in low-rise framed wall construction is addressed in Specification

ICC Compliance

The International Code Council recognizes IWS Water Proof as an approved waterproofing and damp proofing product as seen by the International Building Code (IBC) and the International Residential Code (IRC).

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