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Tung oil

IMPORTANT INFORMATION – when drying, tung-tree oil can diffuse specific smell even for several months. Read the detailed information and advice below.

Tung-tree oil is natural qualitative oil intended for wood impregnation, also used for impregnating our artistic decorative clay plaster walls. The oil is not comprised of chemical additives, the product is not toxic therefore it can be also used in premises where children spend much time. Like all natural products, the usage of tung-tree oil has some nuances which are important to know before deciding what to choose for wall impregnation: oil, lasur, various lacquer, or maybe leave the walls natural? More information can be found below.

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  • Only on the walls of artistic decoration, for example, imitation of concrete or granite, when clay – marble putty FINISH No.9 is used, or in some cases when clay paint is used, for example, when the “Linen” technique is performed on the wall and where the oil is simply rubbed into the surface.

IMPORTANT! We DO NOT RECOMMEND applying tung oil on walls plastered with smooth decorative clay plaster or painted with clay paint, as it will not look good – the walls may look “wet” and the oil may be absorbed unevenly. In this case, other methods of impregnation should be used, such as applying wood stains or water-based varnish. It is even better to leave such surfaces completely natural.


  • It hardens the surface;
  • it protects against water (but it lets off steam, so it should not be used in shower areas);
  • it makes artistically decorated walls look beautiful – it intensifies colours, highlights patterns;
  • the product is natural and it is the only oil in the world that hardens naturally by reacting with oxygen, so there are no additional chemical additives in the composition.


While tung oil takes a few months to cure, the wall will become resistant quite quickly. However, the wall should be protected for at least two weeks, especially from water and wet cleaning, as wet areas may become discoloured. P.S. We often use this effect deliberately to create even more impressive walls.


  • The oiled wall should be completely dry, otherwise the wet areas will become lighter, as water displaces the oil;
  • Use a large, at least 20 cm well-absorbing medium-length hair roller for oiling large walls, and a smaller-sized roller or brush with the same characteristics for oiling hard-to-reach places, such as corners, near ceilings, etc. (it is not recommended to use a foam roller);
  • Make sure the oil is kept in a warm environment before oiling – it should be a transparent amber colour. At lower temperatures, tung oil can thicken and become lighter, which is not suitable for its application.
  • When oiling, it is important to cover the entire wall, especially the connection lines of the roller. After soaking the roller, it is recommended to cover about 1 sq. m with oil, then without soaking the roller, return to the same spot and roll out the already oiled area with a semi-dry roller, etc. Be sure to soak the roller in oil every 1 m2.


During oiling, you will not smell any chemical odours which may make you dizzy – the smell may remind you of baking pancakes, but it will not be dangerous to your health.

After oiling the wall, depending on the surface on which it is made (on drywall, old paint, various plaster or concrete slabs, etc.) the smell can remain for 2 to 12 months at varying intensity.  Usually the smell is not emitted by the oil itself, but by the substances below, as the oil naturally cures for about 2 months. In order to speed up all processes, it is recommended to ventilate the premises well and do not place objects against the wall for at least a few months. For areas that will be completely hidden, for example, behind hanging cabinets, it is better not to oil them at all. If your home is equipped with a recuperative system, smells are usually not perceptible.

P.S. The smell is quite faint – some people will not smell anything, others might even like smell of tung oil, while others would prefer not to smell it at all. Nevertheless, the product is completely natural and harmless. If you find that the smell of the oil remains and irritates you, contact us and we will find new strategies to remove the smell faster.

If you are sensitive to smells, you should consider another impregnation agent. Contact us and we will look for solutions together!


  • If there is excess oil during its application, the wall may start to turn yellow after a few months.
  • If there is no sunlight or you cover the wall with objects, these areas may also turn yellow.

In order to make sure that the wall does not turn yellow, it is recommended:

  • to oil only once, and to thoroughly wipe the entire wall with a dry microfibre cloth a few hours after oiling;
  • to oil only those walls that will be in open space and will be exposed to natural sunlight.
  • to oil only pigmented walls – do not oil white walls, because such walls will turn yellow immediately.

If some parts of the wall still turned yellow, you can clean it with fabric bleach. We have tried this cleaning method ourselves and have noticed that the yellowness disappears, without damaging the colours or the wall itself. However, care should be taken and you should test such methods in smaller or less visible first. The wall should then be cleaned thoroughly with a cloth dampened with water.


Instead of tung oil, it is possible to use double-boiled flaxseed oil with siccative or other oils after testing them on a separate sketch.

These are just general recommendations from Mr. Clay, based on experience gained with tung oil.


Terms of delivery

+37067700207, +37060506540



Shipments are sent in Lithuania:

* to Omniva post boxes in Lithuania up to 10 kg.

If the cargo is small (1 package up to 10 kg) and you are not sure whether you will be at home, we recommend using the services of post boxes and indicate the address of the nearest post box when ordering.

When the shipment is at the post box of your choice, you will receive an SMS message containing the information needed to pick up the shipment.

* Itella courier to your home

When parcels are delivered by a courier, you will be notified by phone before arrival.

It is important to know that if you placed your order before 12 p.m. on Friday, you would receive the shipment only on Monday or Tuesday, as delivery services are closed on weekends.

If the cargo is small (1 package up to 10 kg) and you are not sure whether you will be at home, we recommend using the services of post boxes and indicate the address of the nearest post box when ordering.

The courier delivers one package up to 30 kg to the house.

* In exceptional cases we can send by bus shipments from Alytus. Transport costs are paid upon collection of the goods at the bus station’s parcels department.

to 100 km 101-400 km
Package up to 200 g 1,50 € 2,50 €
Package up to 1 kg 2,00 € 3,50 €
Package 1-5 kg 2,50 € 4,50 €
Package 5-10 kg 3,00 € 5,00 €
Package 10-15 kg 3,50 € 6,50 €
Package 15-20 kg 6,50 € 9,00 €
Package 20-25 kg 9,00 € 11,50 €
Package 25-30 kg 10,00 € 14,00 €
Prices for multi-package shipments
30-40 kg 12,00 € 15,00 €
40-50 kg 15,00 € 20,00 €
50-60 kg 20,00 € 25,00 €
60-70 kg 25,00 € 30,00 €
70-80 kg 30,00 € 35,00 €
80-90 kg 35,00 € 40,00 €
90-100 kg 40,00 € 45,00 €
*Maximum weight of one package – 30 kg


* By trucks with an elevator

* By trucks with a crane (from 1000 kg.)

Euro pallets are usually delivered with bags of 25 kg each or big bags with Classic brown clay plaster.
Such loads are carried by larger trucks with an elevator. In order for such cargo to be properly delivered and unloaded, the following conditions must be met:

There must be good, solid ground, wide access to the place of unloading (if the road is collapsed or overgrown with trees whose branches could damage the truck, the driver may refuse to deliver the load or bring it to the nearest possible place of unloading.

Euro pallets with big bags or other goods are lowered with an elevator and pushed out as close as possible to a suitable place for you. You need to make sure the foundation is solid. If there is no hard ground, paving, or asphalt, provide a larger, sturdy plate on which the pallet can be pushed out with the goods.

If there is no solid base for unloading or unloading is hindered by, for example, a ditch or fence, you can hire a truck with a crane that can move the load with the help of a manipulator and put it in a more suitable place for you. For the prices of such transport, call tel. No. +37060506540 or write by e-mail to vadyba@clay.lt

It is NECESSARY to indicate in the comments if, in your opinion, accessing or unloading by larger trucks may be difficult, in such case we will be able to consult with carriers or look for other delivery solutions.


Indicative shipping prices to foreign counties:

Prices are negotiated individually. To find out the price, call tel. no. +37060506540 ​​or write e-mail by mail vadyba@clay.lt.

General delivery information:

If the goods are not delivered within the specified period, call to tel. No. +37060506540 or write by e-mail to vadyba@clay.lt with your order number and we will definitely help you to find your shipment.

Shipments are shipped the same day if the order is placed and paid for before 11:30 a.m.


Delivery prices in Lithuania, Latvia and Estonia depend on the weight, you can see them by adding items to the cart.
Delivery to the Curonian Spit may be more expensive depending on the chosen shipping method and parcel transportation company.

When ordering larger quantities, you can be informed that the transportation price will be determined individually by weight and place of delivery.
Pick up at our factory FOR FREE at Plytinės str. 1, Geistariškės, Alytus distr., Lithuania


Usually goods are delivered in Lithuania, Latvia and Estonia within 2-4 days.
During the quarantine period or other unforeseen situations in the country and in the world, goods are delivered in Lithuania within 3-10 days.


If you have questions or difficulties while waiting or already unloading a load, always give us a call first, as we can probably help to resolve any situations that arise if you fail to do so on the spot. Tel. No. +37060506540; +37067700207

If you receive cargo that is obviously damaged, do not accept it by stating the reason for refusal on the courier’s sheet. If it happened that you accepted a shipment or cargo and only then did you notice the damage, take photos and email them as soon as possible to vadyba@clay.lt

All claims regarding delivery or unloading services should be sent with a detailed description and photos by e-mail to vadyba@clay.lt Depending on the importance of the situation, we undertake to respond within 1-5 days.

In case of delivery problems, after the goods left the SELLER’S warehouse or a joint solution for unloading couldn’t be found, in case of return of the goods, if it is identified that the BUYER did not objectively assess the road surface and all the above conditions and did not inform the SELLER at the time of order, the BUYER shall pay the delivery expenses. We welcome various suggestions and comments on the delivery of goods by e-mail to vadyba@clay.lt so that we could ensure even faster, more convenient and cheaper delivery of goods.

Let us work together! Mr. Clay team