SikaHyflex 250 Facade is a high-performance over paintable 1-part professional weatherproofing sealant for concrete, masonry and EIFS facades. SikaHyflex 250 Facade is a 1-part, moisture curing, and low modulus elastic joint sealant suitable for movement and connection joints in commercial building envelopes.
Sikaflex 521 UV
Sikaflex 521 UV (available as a pack of 12 x 300cc or 20 x 600cc cartridges/sausages) is a one-component PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer. Ageing and weathering resistant, it bonds well to a wide variety of substrates.
Sikaflex 521 UV is a one-component PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex 521 UV is manufactured in accordance with ISO 9001 / 14001 quality assurance system and with the responsible care program.
Features & Benefits
- Ageing and weathering resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Can be overpainted
- Can be sanded
- Low odour
- High electrical resistance
- Isocyanate and solvent free
- Silicone and PVC free
Areas of Application
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 before using on transparent materials that are prone to stress cracking. This product is suitable for professional experienced users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
For more details please download the product data sheet from the 'DATASHEETS' tab above.
It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.
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