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Silcor® 560 HB

Silcor® 560 HB

SILCOR 560 HB is a high-solids, single-component polyurethane waterproofing membrane designed for seamless, high-build applications on both vertical and horizontal surfaces. It meets Australian waterproofing standards for internal wet areas and external non-exposed areas. This low-VOC, elastomeric membrane offers excellent elongation, flexibility, and adhesion, ensuring long-lasting protection against water ingress. Ideal for use under screeds, pavers, tiles, and other coverings, it provides a monolithic, fully bonded system that accommodates structural movement. Perfect for trade professionals seeking a durable and easy-to-apply waterproofing solution.
Vendor: GCP
SKU: SILCOR560HB/18.9
Availability: In Stock
$201.72
$201.72
Prices do not include GST
Physical Properties
Chemical properties: High solids, moisture-curing polyurethane
Colour: Charcoal grey
Specific gravity: 1.48
Shore a hardness: > 55
Tensile strength: > 5.0 mpa (as 4858) / > 3.0 mpa (as 4654.1)
Elongation at break: > 1400% (as 4858) / > 700% (as 4654.1)
Voc content: < 110 g/l
Application temperature: 5°c to 35°c
Service temperature: -40°c to 90°c
Min. recoat time: 12 hours
Max. recoat time: 48 hours
Min. cure time (ready for flood testing, topping or backfilling): 48 hours
Coverage rate: 1.24 kg/m² per coat (1.5mm dft)
Storage temperature: 15°c to 25°c
Shelf life: 9 months from date of manufacture
Standards compliance: As 4858:2004, as 4654.1-2012
Packaging options: 22 kg pail

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Shipping & Delivery

$15.95 + GST for Australia-wide shipping, excluding DG, oversized, long-length, and bagged items over 15kg. Rural, remote areas and site deliveries are also ineligible. If your order includes any of these, we will contact you to arrange additional freight fees. Online purchases only.

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Silcor® 560 HB
GCP
Silcor® 560 HB
$201.72
Silcor® 560 HB
GCP
Silcor® 560 HB
$201.72
Colour: Charcoal
Size: 22Kg
Description  
Common problems this product solves: Prevents water ingress, eliminates leaks in wet areas, and enhances substrate durability.

SILCOR 560 HB is a high-performance, single-component polyurethane waterproofing membrane designed for seamless application in both internal wet areas and external non-exposed applications. With high elongation and tensile strength, it forms a robust, flexible barrier against water penetration. This Class III membrane meets Australian waterproofing standards and is ideal for use beneath screeds, tiles, pavers, and toppings.

Key Features

  • Class III high-extensibility membrane (AS 4858 & AS 4654.1 compliant)
  • Seamless, liquid-applied monolithic membrane
  • High elongation (>700%) and tensile strength (>3MPa)
  • Cold-applied—no flame or heat required
  • Excellent adhesion to various substrates
  • Low VOC content (<110 g/L)

Technical Overview

  • Membrane Type: High-solids, moisture-curing polyurethane
  • Application Temperature: +5°C to +35°C

Trade Professional Information

  • Required Tools: Roller, brush, or squeegee
  • Trade-Specific Tips: Apply in cross-directional coats for optimal performance
  • Common Issues and Solutions: Use appropriate primers to enhance adhesion on difficult substrates

Storage and Shelf Life

  • Storage: Store in a cool, dry place (15°C to 25°C)
  • Shelf Life: 9 months from the date of manufacture
  • Temperature Considerations: Protect from frost and direct sunlight

Certifications

  • AS 4858:2004 – Internal Wet Area Waterproofing
  • AS 4654.1-2012 – External Above-Ground Waterproofing

Related Products

  • SILCOR Primer BS – Solvent-based primer for concrete, masonry, and metal substrates
  • SILCOR LM PU Sealant – Low modulus polyurethane sealant for detailing
  • SILCOR Top Coat 75 – Protective topcoat for non-trafficable areas
Uses & Benefits  

Uses

  • External waterproofing of balconies, planter boxes, rooftops, and decks
  • Below-ground tanking for retaining walls and lift pit walls
  • Internal wet areas such as bathrooms, showers, laundries, and kitchens

Benefits

  • Provides long-lasting waterproofing protection
  • Easy application with no complex mixing required
  • Highly flexible and accommodates structural movement
How To Apply  

Application Guide

  1. Ensure the substrate is clean, dry, and primed
  2. Apply SILCOR 560 HB using a roller, brush, or squeegee
  3. Allow to cure before applying a second coat
  4. Protect the membrane with a suitable covering if exposed to UV
Limitations and Safety Info  

Limitations

  • Not suitable for exposed applications without protection
  • Must be protected from UV exposure
  • Avoid application in temperatures below +5°C
Suitable Substrates  

Suitable Substrates

  • Concrete, blockwork, and brick
  • Compressed fibre cement sheet (CFC)
  • Water-resistant plasterboard and plywood
  • Metals, PVC, and ABS plastics (with suitable primer)

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