Elastomer-Modified Asphalt Chemical Root-Barrier Root-Puncture-Resistant Waterproofing Membrane

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Elastomer-Modified Asphalt Chemical Root-Barrier Root-Puncture-Resistant Waterproofing Membrane

Applicable Standards：GB/T 35468-2017；GB/T 18242-2025

Product Introduction

Chemically root-resistant (SBS) root-punctureresistant waterproofing membranes for green roofs are rollable sheet waterproofing membranes manufactured with a filament polyester felt as the base, an SBS-modified asphalt coating containing imported chemical root inhibitors (Bischoff & Hoffmann, Austria / Lanxess, Germany), and a polyethylene film as a separating layer on the surface.

Product Features

　　1、It offers both waterproofing and root-barrier functions, and its performance surpasses that of similar products.

　　2、Made with imported chemical root barriers that do not migrate or leach out, it effectively prevents roots from penetrating the waterproofing layer over the long term without affecting plant growth.

　　3、Excellent corrosion resistance and mold resistance.

4、Ensuring the integrity of green roofs and landscaped parking garage roofs.

Key Performance Indicators

Basic Specifications

(SBS) root-resistant waterproofing membranes chemically root-barrier green roofs (including artificial climate-accelerated aging) comply with the relevant requirements of the applicable national standards:

Performance Characteristics

The performance specifications for (SBS) rootresistant waterproofing membranes used in chemically root-resistant green roofs shall meet the requirements listed in the table below：

Recommended Level 1 Waterproofing Design Plan

Scope of Application

　　Suitable for green roofs, underground ceiling slabs, and areas where root penetration must be prevented.

Construction Methods

Substrate Preparation → Installation of Standard Waterproofing Layer → Installation of Root-Resistant Waterproofing Layer → Hot-Melt Edge Sealing → Quality Inspection and Acceptance → Installation of Protective Layer / Installation of Siphon Drainage System

Storage and Transportation

　　1、Products should be stored separately by type, specification, and production date. Storage areas should be dry and well-ventilated, protected from direct sunlight and rain, and must not come into contact with chemicals that may react with them.

　　2、The shelf life is 1 year from the date of manufacture.