Chimney cowls have 3 primary functions.
Chimney cowls to prevent rain.
Rain guard chimney cowl.
Colt chimney cowls solve these chimney problems and that is why you might well need a colt chimney cowl.
Preventing water entering is also highly recommended for solid fuel stoves and fire backs.
The most basic function of a chimney cowl is to stop water ingress.
The cowl is also certified safe for gas appliances.
Rotating and spinning chimney cowl.
Chimney cowl this is a standard low cost chimney cowl these are commonly used for active chimney flues chimney ventilation stopping rain water and bird ingress.
What do chimney cowls do.
Besides reducing chimney downdraft a cowl can also prevent squirrels birds or rain from entering your chimney.
Different cowls have different applications some can also help improve the performance of the stove while others are used to support the chimney liner.
Building a firewood shed.
A damp chimney in its self will cause problems from getting more dirty as the fumes will stick to the lining of the pots creating tar and creosote.
This cowl is for standard chimney pots its the most basic requirement for any chimney to prevent rain and bird entry.
This simple to fit cowl is effective at keeping rain out and comes fitted with a bird guard.
Or if you have a chimney that s no longer in use a cowl can be used to cap off the chimney while still allowing a little bit of airflow.
Rota top 200 spinning cowl.
Chimney cowls help prevent rain entry into chimneys.
Most commonly available in the strap fix pictured but also pressure bolt versions see picture below.
They are also used to stop rain from entering your chimney and many cowls include a wire mesh which serves as a spark arrester to help avoid fires or damage to your roof.
Chimney cowls ad anti downdraught cowl.