
Silan-100
GRAFITTI PROTECTION
KEIM Silan-100 is a clear, high-performance water repellent that penetrates deep into masonry and concrete, providing long-lasting protection while preserving the natural look of your surfaces. Its invisible, flat finish keeps walls breathable, allowing moisture to escape, and creates a water-beading effect that resists weather, stains, and surface damage.
Solvent-free alkylalkoxysilane
Active component content 100%
Completely vapor permeable — allows substrate moisture vapor to freely escape without damaging water repellency
Penetrates deeply and chemically reacts within pores of masonry and concrete for superior water repellency and durability
Abrasion resistant
Does not form a residue on metal, glass windows or painted surfaces
Protects against chloride ion and other chemical penetration
Deep penetration into absorbent masonry ensures long-term durability

KEIM Silan-100 is used to provide a water-repellent finish on mineral building materials that does not impede vapour diffusion, it is ideal for concrete, masonry, and mortar in exterior applications. KEIM Silan-100 works especially well on structures that are exposed to freeze/thaw loads and also to protect reinforcing steel from chloride corrosion due to salt penetration.
This product is Cradle to Cradle Certified® Silver and C2C Certified Material Health Certificate™ Gold.
Cradle to Cradle Certified® is a globally recognized standard for designing and manufacturing products that are healthy, equitable, and sustainable. KEIM proudly meet the worlds most rigorous sustainability standards.

