Description
Product Data Sheet
Sikaflex®-511 is a 1-component, high movement Silane Terminated Polymer (STP) textured sealant that cures on exposure to atmospheric humidity. It is well suited for applications that require both paintability and adhesion to nonporous substrates.
Product Benefits
- Meets the requirements of ASTM C920 Type S, Grade NS, Class 50, Use M (w/ Sika® Primer-210), A, O-Vinyl
- Non-staining in acc. with ASTM C1248
- Meets the requirements of AAMA 808.3
- Good weathering resistance
- Designed for porous and non-porous substrates
- Textured appearance blends well with rough or stucco type surfaces
- Isocyanate free
- Over paintable with most paints
Areas of Application
Sikaflex®-511 can be used for joints or gaps connecting dissimilar substrates such as vinyl to concrete or aluminum to EIFS.
Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®511 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 ensuring adhesion and material compatibility.















