Extension twin wall flue design form

Please enter the following measurements so that we can design your twin wall flue system for your extension - 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 would like help and guidance on how to fill in this form then please phone 0845 226 5754.

Please enter measurements in mm

Will the flue pipe be less than 2300mm from your main house?		-- Yes No
Height from floor/hearth where the stove stands to flue exit point in the roof of the extension. ? help		mm
Height from floor/hearth to the roof ridge of the extension. If a flat roof then enter the same measurement as for the question above. ? help		mm
Number of flat ceilings it will pass through (tell us about any vaulted ceilings in the notes below). ? help		-- 0 1 2 3 4 5 6 7 8 9 10
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	none Black enamel Stainless steel
Approximate pitch of the roof of the extension. ? help		-- 0 degrees 5 degrees 10 degrees 15 degrees 20 degrees 25 degrees 30 degrees 35 degrees 40 degrees 45 degrees 50 degrees 55 degrees 60 degrees 65 degrees
Roofing material of the roof of the extension.		-- Tiles Slates Corrugated/profiled sheets Polycarbonate Felt Shingles Thatch
Which flue exit point will you be using on the stove?		-- Top Rear
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	-- 100mm - 4" 125mm - 5" 150mm - 6" 175mm - 7" 200mm - 8" 225mm - 9"
	Flue outlet height. ? info	mm
Will the flue be running within 300mm of a vertical wall inside the extension?		-- YES NO
If the flue has to avoid an obstruction then what is the horizontal distance that it has to move sideways. ? 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.