The new Vulkem 360NF/950NF/951NF Polyurethane Deck Coating System is ideal for fast-track schedules. The extremely versatile, low-odor basecoat can be applied to any thickness and in sloped areas where build is critical. When mixed with a catalyst, it will cure in three hours without pinholes or gassing. The fast-cure, high performance, extremely tough topcoats reach a hardness comparable to epoxy within 24 hours. Tremco Commercial Sealants & Waterproofing. 800-321-7906.