Hilti CP 637 Firestop Mortar

• Hilti CP 637 is a quick-setting, cementitious firestop mortar. • Designed to seal medium to large openings in walls and floors. • Prevents the spread of fire, smoke, and toxic gases. • Tested and approved to international firestop standards. • Suitable for use in residential, commercial, and industrial buildings. • Provides a durable and long-lasting seal. • Easy to mix and apply on-site.