Technical Information

In this section we have simplified all of the Building Regulations and technical jargon surrounding stoves, flues, installation and all related products to hopefully make the information more understandable and relevant to you. Please click on the links below for further information…

1. Flue Heights

2. Hearth Sizes

3. Flue Diameters

4. Carbon Monoxide & CO Alarms

5. Air Supply & Ventilation

6. Fuels

7. DEFRA & Smokeless Zones

8. Distances To Combustible Materials

9. Stove Sizing Guide

10. Stove Fans

11. Why do I need a stove thermometer?

12. Replacing a Rope Seal

13. Troubleshooting Stove Problems

14. 5 Easy Steps To Lighting Your Fire

15. Do I Need To Insulate My Flexible Flue Liner?

16. Guide To Flashing

17. Chimneys in Thatched Properties

18. Why Doesn’t My Stove Work? Spring & Autumn Syndrome

12 thoughts on “Technical Information”

    1. There are no legal recommended distances to non-combustible materials (i.e. it is not covered by Approved Document J) but every stove will have it’s unique required distance to non-combustible materials as set out by the manufacturer

  1. Hi we have a log burner coming soon which has a 125mm 5inch flue the hole we currently have going up the chimney is 150mm 6inch what is it I need to make this happen so the hole up to the chimney is covered thanks in advance. Chris

    1. I would need a little further information as to what the ‘hole’ is but it sounds like you possibly have an existing concrete or pummice liner in there and so you would simply require a Sump or Pumice Liner adapter to take you from the 125mm stove pipe to the 150mm ‘hole’.

    1. All multi-fuel stoves will be provided with an ashpan as well as most dedicated wood burning stoves (not all, as a bed of ash is required when burning wood only). Dog baskets are for open fire’s only but stoves are provided with a log guard or log retainer to keep your fuel in place.

  2. I purchased a stovac reva 50 stove it is very good but there is a design flaw i.e the two bolts holding up the top baffle are corroded and the stove will have to be taken out to have the bolts drilled out ,this will be expensive and I think that a pernament hook was attached at manafacture this woul solve the problem

    1. This is a great point but the majority of stoves do utilise bolts to rest the baffle plate on for ease/cost. If these have corroded however, this may indicate an excess of moisture in the fuel being used?

  3. I have a Riva 40 Stovac Inset stove I need to change the the Riva Baffle screws that hold the upper Baffle plate in place How do I go about changing the Screws

    1. Please can you confirm that it is 360mm wide and 570mm high? If this is correct we unfortunately do not have a stove that would fit in the width of your opening whilst still allowing the stove to have breathing space. Are you able to open the fireplace up to give you more room?

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