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Bostik Seal ‘N’ Flex One Plus P590
Bostik Seal ‘N’ Flex One Plus P590

Bostik Seal ‘N’ Flex One Plus P590

Low modulus, highly elastic polyurethane sealant with excellent UV resistance and +100%/-50% movement capability. Ideal for expansion joints.
Vendor: Bostik
SKU: SNF1BL/CTG/BOX
Availability: Out Of Stock
$238.80
$238.80
Prices do not include GST
Physical Properties
Chemical properties: Low modulus polyurethane
Colour: Grey, white, black, limestone, off-white, epping grey
Packaging options: 300ml cartridge 20 per box, 600ml sausage 20 per box
Specific gravity: 1.30 g/ml
Shore a hardness: >25
Tensile strength: 1.20 n/mm²
Elongation at break: >1000%
Cure rate: 3mm per 24 hours at 23°c and 50% rh
Skin formation time: 90 minutes at 23°c and 50% rh
Application temperature: 5°c to 40°c
Service temperature: -30°c to 80°c
Joint movement capability: +100% / -50%
Maximum joint width: 80mm
Voc content: 2.8 g/l
Coverage rate: 5 linear meters per 600ml sausage (at 20mm x 10mm joint)
Storage temperature: 5°c to 25°c
Shelf life: 15 months from date of production
Standards compliance: Astm c920, astm c1248, en 15651-1 f-ext-int-cc 25lm, emicode ec1, snjf f25e
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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Bostik Seal ‘N’ Flex One Plus P590
Bostik
Bostik Seal ‘N’ Flex One Plus P590
$238.80
Bostik Seal ‘N’ Flex One Plus P590
Bostik Seal ‘N’ Flex One Plus P590
Bostik
Bostik Seal ‘N’ Flex One Plus P590
$238.80
Colours: Black
Size: 300ml Cartridge
Package Type: Box Buy (20)
Description  
Use Bostik Seal ‘N’ Flex® One Plus P590 for: Sealing expansion and construction joints in concrete, precast panels, cladding, and specialty surfaces to manage movement and ensure long-lasting flexibility.

Bostik Seal ‘N’ Flex® One Plus P590 is a low modulus polyurethane sealant designed for demanding construction applications requiring high flexibility and durability. Formulated for Australian conditions, it provides excellent UV resistance, superior elongation (>1000%), and accommodates joint movement of +100%/-50%. Ideal for both vertical and horizontal joints, it delivers bubble-free, sag-free curing and can be used on a wide range of substrates including concrete, fibre cement, metal, and stone. This Made-in-Australia solution ensures a smooth finish and long-lasting seal in all environments.

Key Features of Bostik Seal ‘N’ Flex® One Plus P590

  • Low modulus for superior flexibility and movement accommodation
  • Extremely elastic with over 1000% elongation at break
  • Bubble-free, sag-resistant curing for smooth application
  • UV resistant for long-term outdoor durability
  • Paintable after full cure for seamless integration
  • Excellent adhesion to porous and non-porous substrates
  • Made in Australia to meet local standards and conditions

Technical Overview

  • Chemical Properties: Low modulus polyurethane
  • Application Temperature Range: 5°C to 40°C (41°F to 104°F)
  • Service Temperature: -30°C to 80°C (-22°F to 176°F)
  • Cure Rate: 3mm per 24 hours at 23°C and 50% RH
  • Elongation at Break: >1000%
  • Tensile Strength: 1.20 N/mm²

Trade Professional Information

  • Required Tools: Cartridge or sausage caulking gun, spatula or trowel, Bostik Handy Wipes for cleanup
  • Trade-Specific Tips: Always use backing rod for correct joint geometry; prime critical surfaces for optimal adhesion
  • Common Issues and Solutions: For poor adhesion, ensure surfaces are clean and primed; avoid applying in wet conditions

Storage and Shelf Life

  • Storage Requirements: Store in cool, dry, ventilated area between 5°C and 25°C
  • Shelf Life Information: 15 months from date of production in original unopened packaging
  • Temperature Considerations: Avoid storage in direct sunlight or temperatures outside recommended range

Certifications

  • ASTM C920
  • EN 15651-1 (F-EXT-INT-CC 25LM)
  • EMICODE EC1
  • SNJF F25E
  • ASTM C1248
Common Questions  

Frequently Asked Questions About Bostik Seal ‘N’ Flex® One Plus P590

Q: How should Bostik Seal ‘N’ Flex P590 be applied for best results?

A: Apply with a caulking gun, ensuring the joint is clean and dry. Use a backing rod to achieve correct joint depth, and tool the surface for a smooth, concave finish.

Q: How long does it take to fully cure?

A: The product cures at a rate of 3mm per 24 hours at 23°C and 50% RH, achieving full cure in 7 days for joints under 20mm wide. Wider joints require up to 14 days.

Q: What substrates is Bostik Seal ‘N’ Flex P590 compatible with?

A: It adheres well to concrete, fibre cement, aluminium, stone, and metal cladding. Primers may be needed for plastics and high-stress joints.

Q: What should I do if the sealant doesn’t adhere properly?

A: Ensure surfaces are free of contaminants and use Bostik N49 or N40 primers as required. Test adhesion prior to application for critical joints.

Q: Are there any safety concerns when using this sealant?

A: Use appropriate PPE including gloves and eye protection. Ensure adequate ventilation, and avoid contact with uncured sealant on skin or eyes.

Uses & Benefits  

Use Bostik Seal ‘N’ Flex® One Plus P590 for:

  • Sealing expansion joints in precast concrete panels
  • Facade sealing for EIFS, ETICS, and cladding systems
  • Interior joint sealing in plasterboard and fibre cement

Why Use Bostik Seal ‘N’ Flex® One Plus P590:

  • Exceptional joint movement capability reduces cracking
  • Fast, bubble-free application saves time on site
  • Durable and UV resistant for long-lasting seals
How To Apply  

How to apply Bostik Seal ‘N’ Flex® One Plus P590:

  1. Clean and dry surfaces thoroughly, removing all contaminants.
  2. Install backing rod to control joint depth and shape.
  3. Prime substrates if necessary using Bostik N49 or N40 primers.
  4. Apply sealant with a cartridge or sausage caulking gun in a continuous bead.
  5. Tool the sealant with a spatula to form a smooth, concave finish.
Limitations and Safety Info  

Bostik Seal ‘N’ Flex® One Plus P590 limitations:

  • Not suitable for joints in chlorinated or salt water environments
  • Do not apply on PE, PP, PTFE, or soft plastics
  • Not for glazing applications or trafficable joints
  • Not to be applied below 5°C or above 40°C

Safety precautions when using Bostik Seal ‘N’ Flex® One Plus P590:

  • Personal Protective Equipment: Gloves, safety goggles, and protective clothing
  • Ventilation: Use in well-ventilated areas to avoid inhalation of fumes
  • Handling: Avoid skin and eye contact; wash thoroughly after use
  • Store away from food and drink; keep out of reach of children
Suitable Substrates  

Bostik Seal ‘N’ Flex® One Plus P590 can be used on the following substrates:

  • Concrete and render – ensure surfaces are clean and dry
  • Precast and tilt-up panels – use backing rod for joint geometry
  • Metal cladding and aluminium – prime with Bostik N40 if necessary
  • Granite, sandstone, and marble – test adhesion before full application
  • Fibre cement sheeting – suitable for vertical expansion joints

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