Chem Link Novalink® 35 F1253TN 20 oz Tan Joint Sealant 12 per Case. NovaLink 35 is a multi-purpose, moisture cure, construction sealant specially formulated for application in damp, dry and cold conditions. NovaLink 35 is UV resistant and will not suntan. NovaLink 35 is designed for use with many building materials including concrete, glass, metal and most roofing materials. NovaLink 35 seals expansion joints, flashings, windows, doors, and roofing joints. NovaLink 35 is isocyanate free, paintable and SWRI validated for ± 35% joint movement.