Category Archives: chimney cowls

Installing A Chimney Cowl

Select your Cowl

There are many different types of chimney cowls for the use with different types of chimneys. Stainless steel is a recommended material for its resistance to corrosion from rain. If the installation is only going to cap a single flue, we recommend a cowl that slides on. This type of cowl may at most need you to tighten some bolts to help secure it. If you have purchased a round tile or steel flue, an inside mount cowl with brackets that will push down into the flue will be best. If you have multiple flues however, you may need a chimney cowl that connects to the outside of your chimney.

Access the Roof

If you can reach the chimney from you rooftop, installing the chimney cap should be a fairly easy process. If it is not, attempt to reach the chimney using a safe ladder from ground level.

Install the Chimney Cowl

Inside mount cowl on a tile flue, you should caulk it into place with silicone sealant to the chimney. If you are using an inside mount chimney cowl on a metal flue though, do not use the sealant, this is because metal chimney flues get too hot and can damage the sealant. A chimney cowl that attaches to the chimney, you should plan the spacing of the anchors before connecting the chimney cap. It is recommended you use at least 1 anchor on each side of the chimney you are installing the cowl on. The anchors should be at least 1 foot apart. Slide the chimney cowl onto the chimney and straighten it using the level. The manufacturer of the cowl may provide adhesive to hold the cowl, follow all the provided directions for the application of the adhesive. If the chimney cowl must be screwed on, hold the cowl tight against the masonry and drill through both. Afterwards, sink the masonry anchor.

Insert the first screw into the bracket and tighten it into place. Drill the next hole on the same side as the first. Use the level and work around the perimeter of the chimney, tightening consecutive screws as you proceed.

Chimney Cowls





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The Chimfit range of chimney cowls and accessories provides everything that you need install and fit your flue system. If you’re looking to keep the birds and leaves out or if you’re trying to solve a downdraught problem, then we have a chimney cowl that suits. Chimney cowls are usually a hood or covering for the top of the chimney, fitted to the top of chimney pots primarily to increase the draught of a chimney and prevent backflow. Usage of the term “chimney cowls” has probably extended beyond its originally intended meaning.

Chimney cowls are traditionally coloured in a terracotta red, make from the same clay as the existing chimney pot it’s going to be installed on to. We also have some metal chimney cowls that are commercially available in a variety of styles and are mechanically retained for the chimney pot.

Our stock here at Chimfit includes:

– Pot hanging cowls to hang your chimney liner from, pot hanging cowls are an easy to fit solution to terminate your flue liner installation or can be used simply to keep the rain and birds away!

– Anti-downdraught hanging cowls to hang your chimney liner from and to help with problems with your up draught. Anti-down draught chimney cowls are wind driven terminals designed to create an up draught in flues; eliminating problems caused by down draughts. They also help birds not fall or fly into the chimney as well as provide additional ventilation to the room of the stove/boiler stove.

– Rain caps just to help protect your flue system from rain. Chimneys are exposed to snow, wind and rain and these conditions can take their toll on the system. To help maintain the chimney or flue, homeowners can invest in a wide variety of flue accessories, including a rain cap, which will keep water from going down the flue and damaging it internally.



Who Are Chimfit?





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Who are Chimfit?

Chimfit are a brand based in the United Kingdom, having worked hard for years on our products with a great detail of research in register plates, cowls and flexible flue. We are greatly passionate about chimney systems and are also extremely proud of our high quality range of register plates, cowls and flexible flue liner. Online shopping has grown exponentially and businesses have to keep up if they don’t want to be left behind.

This though has made the online chimney product industry ripe with low quality products from unreliable retailers. This is why we took it upon ourselves to create Chimfit, a high quality range of economical register plates, cowls and flexible flue liner so that our customers could have a brand of chimney products that they can rely upon.

The Chimfit range is handpicked from the best chimney register plates, cowls and flexible flue we manufacturer, known well from around the world and are sold to you. Every one of the chimney products we provide go through a vigorous quality check to ensure you only receive the highest quality chimney product, we provide technical assistance and troubleshooting from our trained experts based here in the UK to help with any product install or maintenance queries.

The Chimfit brand stands for quality and value, when you see or hear the Chimfit brand you know that the chimney products conform to the latest UK safety regulations, all products are fully CE certified and are also used to UK based chimney installation professionals and enthusiasts. Now with the Chimfit brand available there is no need to buy unbranded low quality and possibly dangerous chimney installation products, you can buy from a brand you can trust, choose to form Chimfit, the leading manufacturer for register plates, cowls and flexible flue liner.