Oils, Fluids and Sealer› Sealers, Gasket Makers and Glues

Sika Corporation

SIKASIL WS290 ULTRA LOW MODULUS NEUTRAL CURE SILICONE SEALANT BLACK

$33.86

SKU: S0FF 412128

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Sika Sikasil WS-290 is an ultra low-modulus, neutral-cure silicone sealant designed for durable and flexible building applications. It offers exceptional performance under dynamic conditions due to its high extension/compression and recovery properties, along with strong adhesion to most building materials. This sealant accommodates long-term movement of +100/-50% in properly designed joints.

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

BrandSika Corporation
Part NumberS0FF 412128

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.

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