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Vuba Expansion Joint Sealant (Vubaflex)

Product Code : VFJ-000

Cartridge applied expansion joint sealant with no mixing required; ideal DIY jointing sealant. Hard wearing and flexible, Vubaflex expansion joint cartridge sealant is suitable for wall and floor joints, inside or outside, capable of receiving wheeled traffic and dealing with vibration or movement. See 'Specification' for more details including coverage & curing.
Extras: Browse our Essentials for products to apply Vuba expansion joint sealant such as duct tape, mastic guns, cleaning solvents etc.

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Price per unit £5.82 (£6.99   inc VAT) RRP £15.00

Application Instructions

Vuba-Joint Vubaflex is a fast curing single component sealant for concrete expansion joints. Vubaflex expansion joint sealant is a hard but flexible compound suitable for internal or external use, offering excellent chemical resistance and is capable of supporting heavy duty wheeled traffic. This expansion joint sealant also possesses excellent UV resistance, preventing discolouration which can be common with alternative expansion joint sealants.


Expansion joint sealant Vubaflex is suitable for sealing interior or exterior concrete expansion joints where a cost effective and easy DIY option is required. Vubaflex can also be used for external façade joints where abrasion resistance is required. Typical installation environments include factory floors, stadiums, terracing, shopping centres and warehouses.


Vubaflex sealant is suitable for concrete substrates including saw cut and perimeter joints. For alternative substrate enquiries, please contact us for guidance.

Technical Information

  • Specification
  • Downloads
Size 300ml Cartridge
Product Name Vubaflex
Composition 1-part Silane Terminated Polymers (PU-Hybrid technology, moisture curing)
Appearance Smooth coloured matt finish
Availability 1-2 Days
Durability Heavy duty
Thickness From 10mm - 35mm width
Substrates Concrete
Ambient Temperature During application +5 to +40 degrees. Service temp -40 to +70 degrees.
Drying Time Approx. 24 hrs per 2mm thickness
Application Ensure the existing joint is clean, dry and free of contamination. Apply directly into the expansion joint using a standard cartridge mastic gun, achieving a compact and smooth finish. See the Expansion Joint Sealant technical data sheet in 'Downloads' for further guidance.
Product Components Single cartridge
Primer Required No
Technical Data See Expansion Joint Sealant technical data in Downloads
Coverage Max. 1.25m @ 20x10mm (300ml)
Typical Installations Sealing expansion joints in driveways, factory floors, stadiums, terracing, shopping centres and warehouses etc.
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