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Gripset P39 Polyurethane Hybrid Membrane

Gripset P39 Polyurethane Hybrid Membrane

GRIPSET P39 is a premium, fibre-enhanced waterproofing membrane developed with advanced hybrid polyurethane technology. It offers exceptional water resistance, flexibility, and UV protection, making it ideal for wet areas, balconies, decks, and rooftops. This solvent-free, non-hazardous membrane withstands early water ponding, ensuring long-lasting protection against moisture ingress. Compliant with AS 4858 and AS 4654.1, GRIPSET P39 is suitable for commercial, industrial, and residential applications. It adheres strongly to a wide range of substrates, including concrete, masonry, fibre cement, and plywood. Whether used under tiles or as an exposed finish, it delivers reliable waterproofing performance.
Vendor: Gripset
SKU: GRIPP39GREY/15
Availability: In Stock
$180.80
$180.80
Prices do not include GST

Physical Properties

Chemical properties: Hybrid polyurethane
Colour: Light grey
Specific gravity: 1.3 kg/l
Elongation classification: >300% (class iii, as1145.3)
Tensile strength: >3 mpa
Water absorption: 4% (as 3558.1)
Water vapour transmission: 1.6 g/m²/24 hours (astm e96)
Application temperature: 5°c to 30°c
Service temperature: -40°c to 90°c
Uv resistance: Excellent
Ponding water resistance: Outstanding
Drying time: Re-coat: 2-4 hours, full cure: 72 hours
Storage temperature: 5°c to 25°c
Shelf life: 12 months
Standards compliance: As 4858, as 4654.1
Coverage rate: 1.5 l/m² for under-tile, 2 l/m² for exposed applications

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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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Gripset P39 Polyurethane Hybrid Membrane
Gripset
Gripset P39 Polyurethane Hybrid Membrane
$180.80
Gripset P39 Polyurethane Hybrid Membrane
Gripset
Gripset P39 Polyurethane Hybrid Membrane
$180.80
Description  
Use Gripset P39 for: Waterproofing wet areas, balconies, roofs, and exposed surfaces with excellent durability.

Gripset P39 is a premium fibre-reinforced waterproofing membrane developed with advanced hybrid polyurethane technology. Engineered for superior durability, flexibility, and water resistance, it is suitable for both under-tile and exposed membrane applications. With outstanding UV resistance and the ability to handle early water ponding, Gripset P39 is an ideal solution for commercial and residential waterproofing projects.

Key Features of Gripset P39

  • Solvent-free and environmentally friendly
  • Highly flexible and elastomeric
  • Low vapour transmission and water absorption
  • Superior adhesion to multiple substrates
  • Excellent resistance to weather, UV exposure, and fungi
  • Light foot-trafficable when cured
  • Handles permanently wet conditions without re-emulsifying
  • Compliant with AS 4858 and AS 4654.1 waterproofing standards

Technical Overview

  • Chemical Properties: Hybrid Polyurethane
  • Application Temperature Range: 5°C to 30°C

Trade Professional Information

  • Required Tools: Brush, roller, or spray unit
  • Trade-Specific Tips: Use a wet film gauge to ensure correct coverage
  • Common Issues and Solutions: Ensure substrate is clean and primed for best adhesion

Storage and Shelf Life

  • Store in original, unopened packaging
  • 12-month shelf life
  • Protect from freezing and direct sunlight

Certifications

  • Compliant with AS 4858 waterproofing standards
  • Compliant with AS 4654.1 for external wet areas
Common Questions  

Frequently Asked Questions About Gripset P39

Q: What is Gripset P39 used for?

A: Gripset P39 is a fibre-enhanced, hybrid polyurethane waterproofing membrane designed for internal and external wet areas, balconies, decks, and roofing applications.

Q: Can Gripset P39 be used in permanently wet conditions?

A: Yes, once cured, Gripset P39 does not re-emulsify and can handle permanently wet conditions, making it ideal for waterproofing exposed areas.

Q: Does Gripset P39 require a primer before application?

A: Yes, porous surfaces require Gripset GP Primer, non-porous surfaces require Gripset OP Primer, and damp surfaces require Xpress Primer H2O Plus or Gripset E60.

Q: How many coats of Gripset P39 are required?

A: For under-tile applications, a minimum of 2 coats is required, while exposed trafficable membranes require 3 coats for optimal performance.

Q: Can Gripset P39 be used as an exposed membrane?

A: Yes, Gripset P39 is UV-resistant and can be used as an exposed waterproofing membrane on rooftops, terraces, and other outdoor areas.

Uses & Benefits  

Use Gripset P39 for:

  • Roofs and parapets
  • Balconies, decks, and podiums
  • Bathrooms, laundries, and internal wet areas
  • Exposed surfaces requiring weather and UV protection
  • General tiled areas to prevent moisture ingress

Why Use Gripset P39:

  • Highly flexible and durable for long-term waterproofing
  • Excellent adhesion to a variety of substrates
  • Withstands early water ponding and permanently wet conditions
  • Superior weather resistance for exposed applications
How To Apply  

How to apply Gripset P39:

  1. Ensure the surface is clean, dry, and primed with the appropriate primer.
  2. Apply the first coat using a brush, roller, or spray unit.
  3. Wait 2-4 hours before applying the second coat in a perpendicular direction.
  4. For exposed applications, apply a third coat to achieve a durable finish.
  5. Allow 24-48 hours of curing time before tiling or exposing to water.
Limitations and Safety Info  

Gripset P39 Limitations:

  • Not suitable for areas with negative hydrostatic pressure
  • Do not apply in temperatures below 5°C or above 30°C
  • Not designed for heavy-traffic surfaces without additional protection

Safety precautions when using Gripset P39:

  • Personal Protective Equipment: Wear gloves, safety glasses, and protective clothing during application.
  • Ventilation: Ensure adequate airflow in enclosed areas to prevent inhalation of vapours.
  • Handling: Avoid contact with skin and eyes. If contact occurs, rinse immediately with clean water.
  • Clean-up: Clean tools with water before the product dries. Once cured, mechanical removal is required.
  • Storage: Store in a cool, dry place away from direct sunlight and freezing conditions.
  • Disposal: Dispose of waste material according to local environmental regulations.
Suitable Substrates  

Gripset P39 can be used on the following substrates:

  • Concrete, render, and masonry
  • Fibre cement sheeting and plasterboard
  • Wet area timber sheeting and external grade plywood
  • Aerated concrete panels and blocks

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