High-quality glass fibre woven rope, suitable for most solid fuel stoves and boilers. This 6mm x 25m reel is ideal for sealing stoves and fires. For best results, use with Hotspot Heatbond Glue. To fit, clean the locating channel, apply adhesive, press the rope firmly into the channel, and cut to size for an end-to-end butt joint. Allow 15 minutes before closing doors.