DIY Hot Tent Stove Jack Fireproof Camping Stove Jack Kit Tent Chimney Furnace Pipe Window Fireproof Pad for Firewood Stove Tents. The hot tent stove jack is made of high flame-resistant silicone fiberglass material, capable of withstanding temperatures up to 572°F/300°C. It allows the passage of hot smoke through the tent, providing warmth and comfort in cold outdoor environments. The stove jack kit effectively prevents the tent fabric from burning, significantly prolonging the lifespan of your tent.