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External

System Description

Wet-seal™ Enviro-coat DS 420

Wet-seal™ Enviro-coat DS 420 is a one component, highly durable, inert fabric reinforced SBR latex hybridised polyurethane, water-based membrane designed for waterproofing decks, balconies, concrete slabs, and other general external structures that will be covered with toppings, screeds, tile beds or trafficable coverings.

Wet-seal™ Enviro-coat DS 420 is a BRANZ appraised product and is compliant to AS 4654.1:2012 and AS 4654.2:2012. Wet-seal™ Enviro-coat DS 420 is water based and low in VOC and meets the GBCA’s Green Star IEQ requirements.

This product is only available for application in Australia

Features

  • Australian made
  • Low VOC, water based, & non-toxic
  • Inert fabric reinforced for enhanced durability
  • Green star compliant
  • Fast curing
  • Compatible with tile finishes, concrete render, and masonry toppings
  • Excellent adhesion to substrates
  • BRANZ Appraised
  • Compliant to AS4654.1 & AS4654.2: 2012 waterproof membranes for external unexposed applications

We only use the highest quality materials from reputable suppliers to provide you with industry leading waterproofing systems. Each of these products has proven credentials that document their uses, benefits and success.

The following technical documentation below includes suitable Adhesives, Scope of Works, Project Specifications, Quality Assurance, BRANZ Appraisals, compliance to Australian Standards and Low VOC Reports for our systems.

Tiling

When tiling directly over Wet-seal™ Enviro-coat Membranes, polymer modified, flexible cement-based tile adhesives are recommended. Wet-seal Enviro-coat Membranes have been independently tested and are compatible with quality C2S1 and C2S2 tile adhesives. Ensure that the tile glue is water based. Solvent based adhesives are not compatible with Wet-seal™ Enviro-coat Membranes. Premixed (Dispersion) tile adhesives are not recommended. All tiling is to be carried out to AS 3958.1- 2007 “A Guide to The Installation of Ceramic Tiles”.

View Quick Guide

Tile Adhesive Classification to AS 4992/ISO 13007 recommended requirements over Wet-seal™ Enviro-coat Waterproof Membrane
Code
Adhesive Type Cementitious C*
Characteristics Normal Adhesive (standard Strength) 1
Improved Adhesive

(Stronger tile adhesive)

2*
Flexible S1
Highly Flexible S2*
*Optimal strength and flexibility will be achieved with C2S2 tile adhesive. Optional additional characteristics including Extended open time (E) and Fast Setting (F) and slip rating (T) may also be included.

Scope of Works

Scope of Works Enviro-coat DS 420 Decks & Balconies

Quality Assurance

Certificate ISO 9001:2015

BRANZ Appraisals

BRANZ Appraisal Enviro-coat DS 420

CETEC VOC Reports

CETEC VOC Report Enviro-coat DS 420

Australian Terms & Conditions of Sale

Enviro-coat Products