Legacy's Nohr-S® ColorPrime WB is an excellent solid color, low smell, water based, 8 hour pot-life primer. Useful with the following Legacy Industrial products: Nohr-S® Polyurea Coating, SD Epoxy Coating, HD Epoxy Coating , HD322 HP Urethane, HD356VOC and all of our Xtreme Polyaspartic Products. In addition, this product is compatible with these popular coating brands: Epoxy-Coat, Epoxy-Master, EpoxyTech, Epoxy-Shield, Rust-Bullet, Versatile Building Products, Ucoat-It, Valspar and Rust-Oleum. Consult for brands not listed. Coverage: approx 300 sq ft per gal. Recoats in approx 4-5 hours. This product can be used a (2) coat coating over concrete as well. Extremely long pot-life make this an excellent covering for vertical surfaces as well.