Glaze Recipe and Test Tile Record
Trace the tile you like back to exactly what went into the bucket and which firing it went through, so it can be mixed and fired again on purpose.
SD-11 2 pages
Studio crafts and making · SD-17
Kiln Firing Log
A free printable kiln firing log sheet — one firing per page with the load, the schedule as set, readings as it ran, the witness cones and what came out.
Download Free · no sign-up
2 pages. Choose your paper size — both versions are laid out identically, so neither one gets shrunk to fit.
Print it and write on it
Fill it in type and save
The fillable versions have real form fields — open them in any PDF reader, type into them and save. Printing help.
What this sheet is for
Give every firing a number and a record, so a good result can be repeated and a bad one explained instead of guessed at.
Who it is for
Potters, ceramicists, glass makers and shared studios with an electric, gas or wood kiln — anyone who has ever opened a kiln and wondered what was different.
How to use it
- Number the firing and note the kiln, the type of firing and what was loaded.
- Write the schedule as you set it on the controller or planned it — rate, target and hold for each segment — in your own figures.
- Take readings during the firing and note the atmosphere, damper or bungs and any action taken.
- On unloading, record the witness cones top, middle and bottom, the results and any faults or kiln wear.
- Quote the firing number on glaze and test tile records.
What is on the sheet
2 pages, in this order:
Page 1
Printed under the title: One firing on one sheet — what was loaded, the programme or schedule as you set it, the readings as it ran, and what came out — so the next firing can copy this one or avoid it.
Your schedule, numbered. The schedule you write here is yours: the rates, holds, cone or target temperature come from your kiln's controller or your own firing notes, not from this sheet. Give the firing a number and quote it on glaze and test tile records so results can be traced back to the firing that produced them.
Write-on lines: Kiln (make / model / fuel) · Firing no. · Date · Fired by · Firing type · Target (your cone or programme) · Load · Shelves / posts
Schedule as set — one line per segment, as entered on the controller or as planned
Table, 8 rows: Segment · Rate · Target · Hold · Started · Reached · Notes
Ruled lines: Loading notes — what went where, shelf plan, cone packs placed
Page 2
Readings during the firing — as often as your kiln and your firing need
Table, 18 rows: Time · Reading · Cones / colour seen · Atmosphere / damper · Action taken
Unloading — what the witness cones and the ware say
Write-on lines: Unloaded · Cones (top / mid / bottom) · Results · Faults · Kiln wear noted · Repeat?
Questions
Why are there no firing schedules or cone temperatures printed here?
Because a schedule belongs to a kiln, a clay body and a glaze, not to a form, and a printed one would be wrong for most readers. Your controller, your supplier's guidance for your clay and your own results are the source; the sheet gives them a place to be written down.
Does it work for gas and wood kilns?
Yes — the readings table has a column for atmosphere and damper, and the schedule table works as a plan rather than a programme. Use the notes column for stoking or burner changes.
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