Sika Sikaflex 521 UV Weathering Resistant Adhesive Sealant 300ml White

In stock
SKU: 54864
Regular price $31.99 AUD inc. GST
This is a Sample Product Title
Was $200.00 Now $100.00
Sikaflex®-521 UV is a weathering-resistant, 1-component Silane Terminated Polymer (STP) sealant that cures on exposure to atmospheric humidity. This multipurpose product  is suitable for internal and external sealing applications.
  • Ageing and weathering resistant
  • Bonds well to a wide variety of substrates without the need for special pre-treatment
  • Can be painted
  • Can be sanded
  • Low odour
  • Isocyanate- and solvent-free
  • Silicone- and PVC-free

Sikaflex®-521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding. Suitable substrate materials include timber, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics. Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-521 UV on materials prone to stress cracking. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.

Customer Reviews

Based on 13 reviews
Martin Zeck (marze-1)
UV resistant Sikaflex.

Struggled to source this product in WA but extremely happy I persevered and found some in NT. Worth the wait. Refitted the roof to my 1981 Millard pop top on the weekend and couldn't be happier with the product. Thankyou. No more leaking aged mastic.

Charlie Heatherley (derek_trotters_independent_traders)

Fixed the leak to my caravan roof 💪👍

Steve Johns (seoneyj9)

Don’t know yet

Garry Wallin

I still haven't got it. Waiting, waiting.

Kathleen Watkins

We found the service great.