Duraflue Twin Wall Flue Chimney Design

Chimney Design

We have been designing twin-wall chimney systems since 2007 (in winter we will often do 5-10 designs a week). We use our own twin-wall design software which is accurate to within millimetres. We strive to make the procedure as simple & stress-free as possible.

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Free chimney design and materials list to your door within five working days.

- Building regulations compliant
- Detailed quotation
- No obligation to buy

To continue to the design process page please CLICK HERE (no need to add this £0 product to your basket it is just here to grab your attention).

We have been designing twin-wall chimney systems since 2007 (in winter we will often do 10-20 designs a week) and have one person who specialises in this one task. We use our own twin-wall design software (we created it from scratch) which is accurate to within millimetres. We strive to make the procedure as simple & stress-free as possible.

Our software is able to design for flat or sloped roofs, internal or external chimneys and gable ends.

To continue to the design process page please CLICK HERE (no need to add this £0 product to your basket it is just here to grab your attention).

  • In stock

    Leadtime: 5 days

    Designs usually completed within five working days

Designs usually completed within five working days

Leadtime: 5 days

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Total of extras

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£20 for a chimney design by an expert? What's not to like...

Julian Patrick, site owner and author of The Stovefitter's Manual

The design process

1. You add this free product to your basket to start the process.

2. You follow the link below where you will be guided through the process of choosing your desired chimney type and adding your property type and dimensions.

3. You add any images or drawings (if you wish).

4. We design your chimney and list all the parts required and provide a quote. Our designer will communicate with you via email if required.

5. You choose whether to purchase.

The video below "How to design a twin wall chimney"  is just six minutes long and may assist you if you are unsure whether your chosen stove location is feasible.

Video: 3-minute overview of twin wall system

The basics of what twin wall is (a clip-together chimney system).

Video: 6-minute chimney design video

What you can and cannot do in chimney design. A good introduction that will show you whether your chimney can be sited in a certain location in your property.

Customer Reviews

Based on 230 reviews
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T
Timothy Parrott
The Change of Plan

I initially hoped that the flue would run vertically from the fire but due to my miscalculation of the roof overhang, a bend would be required. I contacted Stovefitter's and discussed my requirements. A new plan was agreed and I received the new pipes within a couple of days and completed the installation.
This installation is the second I've undertaken and cannot speak highly enough for the service Stovefitter's provide. I am now planning a third installation and would not consider using anyone else.
Tim Parrott

F
Frank Mumby
Simply the best

Have had two orders from stove fitters ware house and also a personal plan for installation. All products supplied were top quality and so easy to fit. Twinwall went together like a glove. One piece had to be returned and was exchanged by next day delivery and collection. Ten out of ten for all. Cannot recommend highly enough. Will certainly use stove fitters again if needed.

A
Andrew Hardwick
Twin wall for extension

I would Recommend Stovefitters warehouse, overall very straightforward process, Ray is friendly and the design system works well. Also worth mentioning that he was right and I was wrong when I thought lower height would be Ok so I do now have almost 2m out of a pitched roof near main house. My only gripe is that I should have had a final xtra wide locking band on the last join (I have one on the first ext joint) I’ll find out how strong it is when the storm hits this pm. very good quality this Duraflue

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