FAQ'S — Céramiques (2024)

What is slip?

Slip is made by adding water to clay and mixing it into a paste. This is used as ‘potters glue’. Slip is used to join clay to clay (like when attaching a handle) and to decorate.

Do I have to fire my pot?

If you’d like your masterpieces to be food safe and waterproof you’ll need to fire ya pots.

If you don’t fire your pot it won’t be functional.

If you add water to a pot that hasn’t been fired it will become wet smooshy clay again.

My piece is sculptural and will not need to be food safe or waterproof ?

In this case you will not need to fire your masterpiece, you can let them air dry over 2 weeks then display em on your mums mantelpiece.

Can i use Acrylic or watercolour paints on my pieces?

If you’d like your pieces to be fired (resulting in them being food safe and waterproof) then NO Acrylic/watercolour paints will burn away and disappear when fired in our kiln.

if your pieces are going to be non-functional/sculptural and you won’t need to fire them, then you can definitely add a splash of colour by using Acrylic or watercolour.


Can I use my oven instead of a kiln?

Unless you have an oven which reaches 1280°C (you don’t hehe) then you’ll need to get your pieces to see a Pottery kiln.

I’ve made a pot !! can it dry out too much before its first firing ?

NO! Once your piece is made you can leave it for years before firing it. Once its dry pop it aside and save a visit to our kilns for a rainy day.

How long do I leave my pot before firing it/glazing it/firing it again?

After you’ve made your pot from clay it will be ready for its bisque firing once it gets to the bone dry stage (about 1 week after the making of it). Your pot needs to be bone dry to go into the kiln for the first firing to prevent it from exploding! (EXPLODING!!! 0: don’t worry this doesn’t happen very often).

After your pot has been bisque fired you can glaze it straight away but it can also stay in this stage for as long as you’d like until you’re ready to apply glaze and glaze fire it. Once you have applied glaze to your pot it is immediately ready for the glaze firing, but leaving it on a shelf for a few weeks until you’re ready to bring it in is fine too.

How can I find out if my clay and glaze are designed for the same temperature?

The package your clay and glaze come in will have this information on it. It will list a ‘firing range’ and will read something like this: ‘Stoneware firing range 1280°C to 1300°C’. If you’re ever unsure where to find this then please ask us! Always happy to help <3


How long does a firing take?

The actual firing takes around 3 days including packing the kiln, slowly heating it up, slowly cooling it down and unpacking the pots. We aim for a 1-2 week turn around from when you drop your pot off to when you’re able to pick it up but it varies depending on how busy we are that week.

FAQ'S — Céramiques (2024)

FAQs

What is the difference between stoneware and ceramic? ›

The main difference worth noting between stoneware and ceramic is the firing temperatures and properties of each. Stoneware is made at a very high firing temperature while other ceramics are made at relatively low temperatures. The high firing temperature of stoneware makes it both strong and durable.

How long should I leave clay to dry before firing? ›

Pottery can sit for as long as you like before firing. It's best to ensure freshly made pottery is totally dry before firing. This can take two days to a week depending on your climate. Once totally dry pottery can sit indefinitely before firing.

How long can glazed pottery sit before firing? ›

Once you have applied glaze to your pot it is immediately ready for the glaze firing, but leaving it on a shelf for a few weeks until you're ready to bring it in is fine too.

Can bone dry clay be fired? ›

The Bone Dry Clay Stage

The clay at this stage is absolutely bone dry and is suitable for firing. The clay at this stage is sometimes referred to as greenware. It is hard but can still be brittle before firing.

What are the disadvantages of stoneware? ›

Stoneware cons
  • Slightly porous, which means it can hold bacteria.
  • Temperature changes may cause cracks.
  • Stoneware may scratch other surfaces if you do not use placemats or tablecloth.
Oct 13, 2021

Do stoneware dishes scratch easily? ›

Scratching is a normal part of the use of stoneware and porcelain as well as other dinnerware surfaces. As part of normal use of silverware on the plate surface, you may see scratches or marks on the surface.

Do you have to fire pottery twice? ›

Most pottery is fired twice (or in some cases 3 or more time!). The first firing is called the bisque, then there is a second firing for the glaze. This is the way you probably learned, and they way you probably do it. But it is possible to fire only once.

What is the general rule if the clay is too dry? ›

As a general rule, you should soak the clay for at least several hours, or preferably overnight, to allow the water to fully penetrate the clay and soften it thoroughly. Q: Can I use a clay mixer or pug mill to hydrate dry clay? A: Yes, a clay mixer or pug mill can be used to hydrate dry pottery clay.

How to revive ceramic clay? ›

If the clay pieces begin to dry out, place them in a resealable bag and spray them with some water. Seal the bag and wait a few hours. The clay should be ready to use.

When can I crack the lid on my kiln? ›

Wait until the kiln has cooled below 125°F to open your lid. If you open it to soon, the glaze could craze and will no longer food safe since bacteria can grow in the small cracks.

Can you use your oven as a kiln? ›

You Can Fire Pottery In Your Home Oven

Pottery dried in an oven at home isn't going to be as hard and durable as pottery that has been dried in a super hot kiln, so the chances are it is more likely to break and won't last as long.

Can pottery crack during glaze firing? ›

Cracks in the base usually occur in the firing. Another way to determine the cause of a crack is to look at the surrounding glaze. If the glaze at the end of the crack is sharp, it cracked in the later stages of firing, probably during cooling.

What happens if clay is not fired? ›

If you make something out of clay and leave it to dry without firing it, it will be fragile and most likely crack. Firing clay changes the structure of the clay, bonding the clay particles together making it stronger, a more permanent ware.

What is the first firing of clay called? ›

Usually, the first firing of clay is called bisque firing. Some people call it biscuit firing. In a studio setting, this usually means a cone temperature of a low of 08 to 04. This allows the clay piece to accept most studio glazes.

How do you know when clay is ready to be fired? ›

The best way to tell if a clay piece is dry enough is the cheek test. If the pot feels cool against your check, it is still too damp to set in the kiln and do a direct heat up. So that is the gold standard, especially for sculptural pieces, thick pieces and beginner work with uneven walls.

What is stoneware best for? ›

Stoneware is one of the most common materials you see for dinnerware and bakeware. The clay and additives are easy and cheap to source, plus stoneware requires less intense firing which makes it a more affordable choice. Stoneware holds heat exceptionally well and heats up quickly.

Does stoneware chip more than porcelain? ›

If you are going for something more durable and classy for your dinnerware, the choice should be between stoneware and porcelain. Choosing between Stoneware and Porcelain is often a matter of look and price. If you want the maximum durability and if you want to avoid chipping, the porcelain is your go to.

Is stoneware less breakable? ›

Stoneware is one of the most common forms of pottery in use today. It is fired to a high temperature, making it very durable.

Can stoneware go in the oven? ›

Is Stoneware Oven Safe? Yes, stoneware is oven-safe, but you need to pay special attention to how you handle it. It's perfectly safe to use for cooking, but the key is to avoid rapid temperature changes. At the same time, that doesn't mean you should preheat the piece either.

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