Quick view Sika Monotop 910N 5KG Primer and Corrosion Protection Sika Monotop 910N 5KG Primer and Corrosion Protection. Sika MonoTop-910 N is a cementitious, polymer modified one-component coating material containing silica fume used as bonding primer and reinforcement corrosion protection for reinforcement. Sika... $36.00 Add to Cart Compare