Rain cowl.                                This cowl is used to prevent rain, wind, birds                                                                                                                           and provide protection from animals.
      Anti downdraught.                         This cowl is used to prevent downdraught                                                                                                                                 problems.
 
             Bird guard.                              This cowl is used to prevent birds and vermin                                                                                                                          from blocking the flue.
           Spinner cowl.                          This cowl is used to prevent downdraught.
          Capping cowl.                          This cowl used to cap off disused chimneys.
        Spark arrestor.                          This cowl is used to prevent any debris that is still                                                                                                                  alight. 
   
       Sprung bird guard.                    This cowl is used to prevent birds from nesting                                                                                                                        within the flue.  
             
                 Flue cube.                          This cowl is used to make your wood burner more                                                                                                                 efficient and help to reduce the emissions produced                                                                                                             and make your fuel last longer.





This is a jackdaw looking for a place to build a nest. These are the trees by the side of the house (picture above) and there were a lot of birds coming to and from the pots on the house and squeezing through the bars on the bird guard and were making a nest in the chimney.