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Preventive and Hassle-Free Waterproofing System
Liba Repair and Maintenance System
YN-A500 Polymer (EVA/HDPE) Composite Self-Adhesive Waterproof Roll
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YN-A500 Polymer (EVA/HDPE) Composite Self-Adhesive Waterproof Membrane


Product Overview
YN-A500 Polymer Composite Self-Adhesive Waterproof Membrane is a type of self-adhesive waterproof membrane composed of a layer of silicone creep rubber asphalt self-adhesive glue and a polymer composite sheet. The polymer sheet includes high-performance materials such as HDPE, EVA, and ECB composite sheets. This material can be laid wet and can adopt the pre-laid inverted adhesion method. Different construction methods can be flexibly adopted according to different design requirements.

Product Features
  1. Excellent elongation and tear resistance.
  2. Resistance to chemical corrosion from various acids and alkalis.
  3. Strong physicochemical indicators with a service life of over 50 years.
  4. Excellent adhesive sealing performance.


Specification and Model
Thickness: 1.2mm/1.5mm/2.0mm
Width: 1.0m/1.5m/2.0m/3.0m
Length: 25m/20m/15m

Scope of Application
It is applicable to high-level and critical waterproofing projects such as green roofs, grain storage facilities, air-raid shelters, sewage treatment plants, artificial lakes, basements, tunnels, subways, high-speed railways, bridges, and landfill site seepage prevention.

Precautions
  1. Before bonding the seams of the membrane, avoid contamination of the overlapping surfaces with water, cement mortar, or dust to ensure proper seam adhesion.
  2. After completion, protect the waterproofing layer well and avoid damaging the membrane with metal or hard objects.
  3. After seam construction, inspect the seams of the membrane and seal any damage found with sealing material.
  4. The construction process should be carried out step by step without crossing over different stages.
  5. Avoid contact with organic solvents and keep away from fire sources.
  6. Store the membrane in a dry and well-ventilated environment to prevent exposure to sunlight and rain.


Construction Process

  1. Pre-laid Inverted Adhesion Method
    Clean the base surface → Treat local nodes → Pre-lay the waterproof membrane → Overlap edges, terminate, and seal → Remove the release paper on the membrane surface → Pour concrete

  2. Wet Laying Method
    Clean the base surface → Prepare cement mortar → Treat nodes → Lay the waterproof membrane → Overlap and terminate → Seal → Carry out maintenance

Technical Specifications

Execution Standard: GB/T 35467-2017 (Wet Laying, Category E)

Execution Standard: GB/T 23457-2017 (Pre-laid, Category P)

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