RESSA fireproof intumescent automatic drop door seal is combined by automatic drop door seals and reinforced by fireproof intumescent seals, it has the performance of sealing and fireproofing. The
automatic bottom door seal control the movement of the inner sealing strip through mechanical movement. When the door is opened, the internal seals will automatically rise from the ground. When the
door is closed, internal sealing strip will be down automatically to seal the space between door and ground. When meet fire, the intumescent seals part will start to expand to fulfill the space
between door groove, door frame and ground to prevent the smoke and fire spreading.
Please contact with us on the detailes on each model according to your specific requirements.
Any interest, be free to contact.
Sales Manager: Sara.R
sales@ressatech.com
Mobile/WA 0086-18845111091
www.ressaseal.com