6/7/2023 0 Comments Patina finish![]() This method produces a brown, nuanced patina surface and the darkness of the colour can be adjusted.Ĭopper concrete is also a chemical dyeing method where copper powder is added in the concrete mix. Umbra patina colouring is a chemical method in which the ingredients react with cement and create a brownish colour on the hardened concrete surface based on different iron compounds. The nuanced finish has high wear resistance and ages beautifully.Īny non-uniform colouring or differences in the colour tones due to concrete repairs or casting defects can be rectified or patched up by means of a patina finish or translucent colouring methods. The advantages of a translucent treatment method include, in addition to a toned finish, low maintenance needs and easy touch-ups. The methods and presented in Finnish Concrete Association’s publication By40 – Betonirakenteiden pinnat ja luokitusohjeet (Concrete structure finishes and guidelines for classification). The different types of treatment methods and the associated terminology are often confused with one another. We do not recommend any cleaning for the marbled and patina copper finishes.Patina finish, glazing and Umbra colouring as well as translucent protective finishes are concrete dyeing methods which do not cover the concrete surface but keep the material feel visible. If you wish to clean the plain copper, we recommend some very fine wire wool or some P1000 or higher silicone carbide sandpaper both of which can be picked up from your local hardware shop. When exposed to the natural elements copper develops this ‘patina’ which actually protects and preserves the metal underneath. Transforming from a shiny brown/red colour to darker browns, then blues and finally greens after a number of years. Over time copper naturally changes colour. The material is polished to a natural finish by hand first and the required finishes are then created. As it is handmade the dimensions may vary slightly but never more than a few mm! Each test tube comes with a natural cork stopper also.Īll materials used are 100% recycled or salvaged. Made using recycled 22mm copper pipe and recycled laboratory grade borosilicate glass test tube. Regardless of which finish you chose we are sure that they will make an excellent gift or wedding present or a perfect center piece to your table setting. ![]() They can be used to store dried fragrant buds like lavender pods and opened when required or even to encase a note or wedding favor. ![]() They also come with a natural cork stopper which expands the function in a number of directions. The vases are perfect for both dried and fresh flowers and are watertight if watering is required. Again each piece will develop a truly unique finish! The colour may change and deepen or lighten over time depending on the environment. The finish is very delicate and may flake off if handled excessively. The copper has been treated with household products to develop a blue/green patina over time. Making these pieces 100% recycled! The copper comes in 3 finishes: plain copper, marbled copper and patina copper. Each vase is made from a piece of recycled copper and glass test tubes that are salvaged from an old medical laboratory. Introducing our new range of copper flower/bud vases from Irish designers Kopper Kreation.
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