How is epoxy resin tabletop
Making a table with epoxy resin (instructions)
With these step-by-step instructions we would like to show you how you can make a table with lighting (Rivertable) with epoxy resin.
Here you can download the revised instructions for making a table with epoxy resin as a PDF file (1.7 MB).
Step-by-step instructions from Andy's workshop
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You should make the following preparations
Work on a countertop. Cover the surface of the worktop with, for example, PE film or use a release agent to prevent the resin mixture from sticking to the work surface, as well as the floor around and under the work surface to protect against contamination by resin splashes, among other things.
List of materials needed
Alternatively, you can also order the following product set directly from our online shop:
1. Remove the edge of the forest from the plank
Use a suitable tool to remove a forest edge that may not be desired.
2. Seal the edge of the forest
Forest or bark edges can be pre-impregnated and sealed beforehand with the epoxy resin SR Surf Clear EVO and hardener SD SC EVO MED. This avoids excessive resin absorption and prolonged outgassing of the wood; these materials can be applied using a brush. Both resin systems react very quickly: depending on the ambient temperature, it is best to process them "wet-on-wet" *.
*: (Glove) “finger test”: when you “dab it”, the material of the previously applied layer must still be visible on the glove finger; If this is not the case, first allow the resin mixture to harden and then sand with grain P80 to 120 before applying the next resin.
3. Seal the ends of the table
In order to prevent the casting resin from flowing away, the two head ends are sealed with adapted borders made of wood, plastic, strong cardboard, etc.
These boundaries can be fitted and completely sealed with a flexible sealing compound, e.g. MS polymer UNICOL.
Headboards made of cardboard or wood should be covered with a self-releasing PE film (including packaging tape, cling film, etc.) or the surface should be treated with a release agent so that the boundaries can later be easily removed without sticking to the resin mixture. If you do not carefully ensure separation, the resin shows its excellent adhesive properties in a negative sense!
4. Align wooden planks
Align both halves of the plank so evenly and evenly with one another that a uniform pouring height of the resin is guaranteed. The same also applies to other, geometrically different shapes and materials that are poured in. Regardless of whether the table is round or rectangular in order to achieve a level surface, it is necessary to align the cast objects horizontally on all sides!
5. Filling in pebbles and moss in the middle area
In this example table, the volume to be filled, the actual “river”, was filled with white decorative gravel and moss.
In the case of light objects that can be poured in at your own discretion, we recommend fixing them to the floor beforehand, as they will otherwise float up due to the heavier resin.
Important: All objects that are poured must be absolutely dry; this is especially true for organic objects such as flowers, grass or - as used here - moss.
6.1. Filling the resin / hardener mixture into the central area in several partial steps of approx. 1-3 cm layer thickness
Important: Adhere exactly to the mixing ratio of resin and hardener, stir well (use scales) and mix; Process approaches immediately; Work wet on wet (with the glove test still showing material on the glove), otherwise grind after hardening.
6.2. Pour the resin / hardener mixture into the central area! Here: in several sub-steps of approx. 1 cm layer thickness
Danger: The advantage of the "wet on wet" method is that the layers can be worked away quickly one after the other.
There is no need to wait until the previous layer has hardened; on the contrary, the resulting chemical bond is best with this method. Another advantage is that there are no sanding scratches between the layers, otherwise the surface would have to be sanded.
7. Central area of the table padded with resin
8. Table top after hardening, demolding and grinding
9. Preparation of surface finish
The hardening of the material can take a few hours or 1 to 7 days, depending on the environmental conditions and the amount of potted material! Recommendation: a controlled subsequent heating ("tempering") increases the chemical and thermal stability. Finally, the surface is prepared according to the desired final appearance.
If the wooden parts remain natural, as in this case, sanding with P180 grit is sufficient as preparation. The middle part with the "Epoxy River" is more complex. Depending on the degree of gloss that is to be achieved, processing starts with grit 180/240/360/400/600/800. From grit 1000-4000, wet sanding is also possible.
If necessary, the conclusion is:
1) polishing for a corresponding high-gloss finish, or
2) the application of a (clear or colored) lacquer - see page 13 the lacquers from NEMO COATINGS or NAUTIX.
10. Table with mounted base
11. Sealing the surface
The wooden parts of this table should be left natural: here the wooden surface was only sealed with a hard oil wax after fine sanding, which visually does not show a step towards the hardened casting resin.
Alternatively, for example, the two-component silk or glossy clearcoat VA2 from Nautix, which comes from boat and yacht construction, or the high-gloss Clear Master UVR from Nemo Coatings, which is available in “deep matt” to high-gloss, can be used.
12. Alternative customization
Indirect lighting can also be optionally poured in as luminous “highlights”, which gives such a table a special look. Depending on the light source, special moods and effects can be seen in the video at the top.
Various colored or metallic pigments can also be added to the resin mixture for colored effects.
Please note our new fluo- or metallic pigment powders! Important: add these coloring agents to the resin or the resin / hardener mixture, not to the hardener!
Epoxy Resin Table: Final Video Result
Download instructions for making the table as PDF
Here you can download these step-by-step instructions as a PDF file: 1.7 MB.
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