To remove a chimney flue, you will first need to disconnect it from the heating appliance and remove any surrounding bricks or masonry. Next, you will need to carefully remove the flue liner from the chimney, making sure to avoid damaging the chimney structure. Once the flue liner is removed, you can then dismantle and remove the remaining parts of the flue system, such as the chimney cap and any remaining sections of the flue pipe. It's important to follow safety precautions and consider hiring a professional if you are not experienced with this type of work. **

The flue pipe needs to protrude at least 6 inches into the double-wall flue when connecting to a wood-burning stove. This ensures proper ventilation and helps prevent any backdrafts or smoke leakage. It is important to follow the manufacturer's guidelines and local building codes to ensure safe and efficient operation of the wood-burning stove. **

Chimney brushes and flue brushes come in a variety of sizes to accommodate different chimney and flue dimensions. They can range from small, narrow brushes for cleaning smaller flues, to larger, wider brushes for cleaning larger chimneys. The size of the brush needed depends on the size and shape of the chimney or flue being cleaned. It's important to choose the right size brush to ensure effective cleaning and to prevent damage to the chimney or flue. **

Yes, a Swedish stove can be connected to an existing 130-140 mm flue pipe with a 150 mm flue pipe. However, it is important to ensure that the connection is done properly and in compliance with local building codes and regulations. It may be necessary to use an adapter or reducer to make the connection between the different sized flue pipes. Additionally, it is recommended to consult with a professional stove installer or chimney sweep to ensure that the installation is safe and effective. **

Yes, it is possible to have an angle in a chimney flue pipe. Chimney flue pipes are often designed to navigate around obstacles or to fit into specific spaces, so they may include bends or angles to accommodate these needs. However, it's important to ensure that any angles in the flue pipe are properly designed and installed to maintain proper airflow and prevent the buildup of creosote or other debris. Regular inspection and maintenance of the chimney flue system is essential to ensure it is functioning safely and efficiently. **

If black liquid is coming out between the chimney flue pipes, it could indicate a potential issue with the chimney or fireplace. This could be a sign of a blockage in the chimney, causing smoke and soot to leak out. It is important to address this issue promptly to prevent any potential fire hazards or damage to the chimney system. It is recommended to contact a professional chimney sweep or inspector to assess and address the problem. **

Yes, the flue gas pipe should be insulated. Insulating the flue gas pipe helps to maintain the temperature of the gases inside the pipe, which can prevent condensation and corrosion. It also helps to improve the efficiency of the heating system by reducing heat loss. Additionally, insulating the flue gas pipe can help to prevent the pipe from becoming too hot to touch, reducing the risk of burns. **

To clear the chimney flue in an old building, one can start by inspecting the flue for any blockages or debris. Then, use a chimney brush and rod to carefully clean the flue, making sure to remove any built-up soot or creosote. It's important to take safety precautions, such as wearing protective gear and ensuring the area is well-ventilated. If the flue is particularly dirty or difficult to clear, it may be best to hire a professional chimney sweep to ensure the job is done thoroughly and safely. **