Smoke proof rubber seal Fire door seal rubber seal Rubber seal designed for installation on the fire door's edge For various building structures including condos, hotels, hospitals, or office buildings, etc. Fire door seal rubber seal - smoke proof rubber seal has a variety of cross-section, which depends on the type of door seal that has been designed. Fire Door Seal Rubber Seal - AlphaSeals smoke seal rubber seal. We manufacture and designed especially for use. Make our rubber seal flexible to the shape of the door edge Resistant to use conditions Also preventing fire Which in the event of a fire Rubber seal will not fire Help prevent smoke that may pass through the door. Confident to increase security to another level