DTW Base support bracket adjustable (7-16cm from wall to pipe)

Colour & Internal Diameter
Silver 5"
Silver 6"
Black 5"
Black 6"

Doing it yourself? Visit our "How to install twin wall flue" page.

This is a twin wall clip-together chimney part used to build a new chimney. Twin wall clip-together chimney can be as close as 5-7cm to combustible materials (so is also useful for adding atop a stove to bypass a wooden beam).

Stove Fitter's Warehouse offers a full Twin Wall Design Service with all designs prepared within our Twin Wall Design Studio: https://www.stovefitterswarehouse.co.uk/products/chimney-design-to-building-regulations

Duraflue Twin Wall was launched to the market during 2014 and, due to its high quality and innovative design, is already a favourite amongst professional stove fitters. Brackets are strong whereas other brands may be spindly and quality is premium. Do it once - do it good.


Base support units can also be fitted "upside down". This is useful when you want the main body of the unit above your "hole through the wall" and out of the way of any cosmetic plate (if used).

Top tip: No fire cement or glue of any kind is used when connecting twin wall pipe to twin wall pipe - it is just push-fit (with a locking band for added security). When to use fire cement on flue joints? Use the SEARCH function and type "sealing flue joints".

Customer Reviews

Based on 194 reviews
John Spanton
Twin wall chimney components

The ordering of these parts was simple as the website is easy to use. I could examine all dimensions of each part through a couple of clicks, essential when analysing which sections to purchase. Staff were available to answer queries at every stage. Once ordered the parts arrived two days later, shipping and delivery information was announced at every part of the process. Delivery on a pallet meant that the goods were easily manipulated into a convenient position on my property. Packaging was substantial. I would definitely recommend your company to others. Thank you.

Adrienne Shaw
Amazing Service

Can’t say how helpful everyone is, their knowledge and customer service is brilliant combined with very competitive prices and excellent products (purchased woodturner & clip together chimney, purchased with excellent telephone advice) makes this company an absolute winner!