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Silcor 580

Silcor 580

SILCOR 580 is a premium-grade, two-part elastomeric polyurethane membrane designed for high-performance waterproofing. With exceptional elongation (>700%) and tensile strength (>7 MPa), it provides long-lasting, seamless protection for heavy foot traffic areas, balconies, car parks, and wet areas. Fully bonded and cold-applied, it eliminates water tracking and accommodates structural movement. Compliant with AS 4654.1-2012 and AS/NZS 4858-2004, it ensures durability in external and internal applications.
Vendor: GCP
SKU: SILCOR580/36
Availability: In Stock
$551.37
$551.37
Prices do not include GST

Physical Properties

Physical_properties: {"shore_a_hardness"=>80, "tensile_strength"=>">7.0 mpa", "elongation"=>">700%", "voc_content"=>"<35 g/l", "specific_gravity"=>1.23, "solids_content"=>"97% w/w", "working_time"=>"25 minutes", "pot_life"=>"30 minutes", "tack_free_time"=>"4 hours", "through_cure_time"=>"15 hours"}
Packaging: {"silcor_580"=>"36 kg set", "silcor_primer_bs"=>"17 kg pail", "epocote_f100w"=>"20 l kit", "silcor_lm_pu_sealant"=>"600 ml foil sausage", "silcor_top_coat_75"=>"18 kg kit", "silcor_top_coat_80"=>"18 kg kit"}
Storage_and_shelf_life: Store in original packaging between 15°c and 25°c, protected from heat, moisture, and direct sunlight. shelf life is 12 months from manufacture.
Safety_and_handling: Ensure adequate ventilation during application. use appropriate personal protective equipment. refer to the safety data sheet (sds) for detailed handling precautions.
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 580
GCP
Silcor 580
$551.37
Silcor 580
GCP
Silcor 580
$551.37
Description  

SILCOR® 580 is a two-part, elastomeric polyurethane membrane engineered for long-lasting waterproof protection. With a seamless, monolithic application and high-performance flexibility, it is ideal for commercial and residential projects. This low VOC, chemically cured solution provides exceptional durability, making it suitable for heavy traffic areas such as stadiums, car parks, balconies, and podiums.

Key Features

  • Certified Class III – AS 4654.1-2012 (external waterproofing) & AS/NZS 4858-2004 (internal wet areas).
  • Very low VOC content (<35 g/L) for reduced environmental impact.
  • High elongation (>700%) and tensile strength (>7 MPa) for enhanced durability.
  • Seamless liquid-applied application eliminates vulnerable joints and laps.
  • Cold-applied—no flame or heat required for installation.
  • Bridges non-structural shrinkage cracks and accommodates structural movement.
  • Fast curing time – tack-free in 4 hours, through-cure in 15 hours.
  • Compatible with a range of substrates including concrete, metals, and composite sheets.
Uses & Benefits  

Uses

  • Balconies, roof decks, and podiums (requires a protective top coat).
  • Stadiums, car park decks, and high-traffic flooring applications.
  • Green roofs and landscaped decks.
  • Plant room floors and laboratories.
  • Internal wet areas, both under and over screeds.

Benefits

  • Long-lasting waterproof protection for exposed and non-exposed areas.
  • Seamless and fully bonded to prevent water tracking.
  • Minimal environmental impact with a low-VOC formulation.
  • Can be applied to various substrates with appropriate priming.
  • Fast curing allows for quicker project completion.
How To Apply  

Application Guide

  1. Surface Preparation: Ensure surfaces are clean, dry, and primed.
  2. Mixing: Combine polyol and isocyanate components at a 1:1 weight ratio.
  3. Application: Use a roller, notched squeegee, or trowel to achieve the required thickness.
  4. Curing: Tack-free in 4 hours, ready for topping in 15 hours.
  5. Top Coating: Apply SILCOR Top Coat 80 for UV stability and durability in trafficable areas.
Limitations and Safety Info  

Limitations

  • Not suitable for negative pressure waterproofing.
  • Should not be applied to wet or unprepared surfaces.
  • Not recommended for water tank linings.
  • Application should be avoided during rain or when ambient humidity is above 85%.
Suitable Substrates  

Suitable Substrates

  • Concrete, masonry, and cementitious screeds.
  • Compressed fibre cement sheet (CFC) and cement composite sheet (CCS).
  • Water-resistant plywood and plasterboard.
  • Metals, PVC, and ABS plastics (with appropriate priming).

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