External twin wall flue design form

Please enter the following measurements so that we can design your external twin wall flue system for you - click here for a printable checklist of the details needed. We will ask for some personal details such as your name and contact number and email address on the next page and finally you will be given a reference number for your flue design enquiry.
It will take our flue designers 24-48hrs to complete your design, more during busy periods. If you have not been contacted within a few days then please feel free to contact us to check on progress.

If you are installing a stove in an extension the only use this form if the flue is at least 2300mm from the main house. In that case the roof measurements that we want below are for the extension, not the main house.

If you would like help and guidance on how to fill in this form then please phone 0845 226 5754.

Please enter measurements in mm

Height from floor/hearth where the stove stands to where the flue passes either the eaves of the gutter outside. ? help		mm

Height from floor/hearth to the roof ridge. ? help		mm

Thickness of the wall through which the flue is to go through. ? help		mm
	Is the wall a cavity wall? ? help

If you want some single skin flue initially then please select the type and length of this flue (stove manufacturers generally recommend a maximum of 1000mm). Please read this first.
	Type of single skin flue. Please read this first.

Approximate pitch of the roof. ? help

Roofing material

Which flue exit point will you be using on the stove?

If you would like us to quote you on a stove then please tell us the make and model.
	Make and model of the stove to quote for ? info
OR if you already have your stove then please give us a few measurements:
	Flue size of the stove. ? info
	Flue outlet height. ? info	mm
	The distance from the centre of the top flue outlet to the back of the stove (if you are using the top flue exit). ? info	mm

Will the flue be running within 300mm of a vertical wall?

How far do you want the back of the stove to be from the wall behind? (50mm minimum) ? info		mm

If the gutter or eaves protrude from the wall then how far do they protrude? ? info		mm

Please add any notes about the flue installation that you think we would find useful.

Access code	Please enter the letters and numbers shown above.

External twin wall flue design form

Please enter measurements in mm

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