Oils, Fluids and Sealer› Sealers, Gasket Makers and Glues
Sika Corporation
SIKAFLEX521 UV WHITE WEATHERINGRESISTANT STP ADHESIVE SEALANT W/WIDE ADHESION RANGE300ML
SKU: S0FF 106096
Beginner — under 30 min
Description
MIA's Description
This sealant bonds well to a wide variety of substrates, including wood, metals, ceramic materials, plastics, and glass, making it suitable for permanent, high-strength elastic seals. Its characteristics include resistance to UV radiation, aging, and weathering, along with high electrical resistance.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Sika Corporation |
| Part Number | S0FF 106096 |
Videos
Sikaflex 221 adhesion test (steel to fiberglass)
Sikaflex 291 Marine Adhesive - Top Tips and Product Demo
Sikaflex 291 Product Demo
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Sikaflex252
RISIGILLARE IL CAMPER CON SIKAFLEX 521 UV
SIKA Sikaflex 521 UV - Présentation et test d'utilisation
Sikaflex Construction+
SikaLastomer 710 - Watertight sealant for joints which may need dismantling.
Using Sikaflex to seal roof seems on a sprinter
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy