Epoxy River Table in 7 Steps - How To Make

Hi Everyone! Hope you will enjoy this video!
In this video I'll be making an epoxy river table using elm wood and coloured Glasscast 50 by Easy Composites.

Written instructable https://www.instructables.com/id/Epox...

First of all big thanks to Brent Neve from "Ikke" helping me out with the wood part of this tutorial. Down below I go through each step in more detail:

Step 1: Prepping the wood
- Planing the wood till fully flat on the bottom, the top side can still have some curved shapes as it will be casted with epoxy resin creating small 'Islands' in the top part of the table.
- Grinding of the bark is very important to create a strong bond between the wood and the resin, if you don't remove the bark, you might face some problems with the resin breaking of the rest of the wood as it isn't a strong bond.
- Sanding everything flat and smooth with grid p180.
- Clean your wood with degreaser or acetone to remove any oil residues or natural residues from the wood that might cause some problems with the epoxy.
- Blow of the wood with compressed air to remove any wood dust left that might get trapped in the resin later on.

Step 2: Creating the mould box
- The mould box is made from melamine to have a smooth surface and make it easier to release the casted table top from the mould.
- Chemical release agent is used to have a good release! this is a very important step, if you don’t do this, your slab might get stuck forever on your mould.
- Edges are being sealed with some hot melt, Silicone and caulking might work as well but make sure to test this in advance.
- Bridges are added to the sides for good clamping.

Step 3: Casting the river
- To cast the river in between the wood I’m using Glasscast from Easy Composites. You might try it with other brands but make sure your able to cast big volumes with that epoxy resin. Regular epoxy resin won’t allow you to cast thicker pours, due to an exothermal reaction. Glasscast 50 was specially developed for these kind of processes.
- I'm using the 2-cup system to make sure everything is mixed well. You mix in the first cup, then transfer everything to a second cup and mix again! this is the best way to make sure all resin is properly mixed.
- Add desired pigment in desired density.
- Pour a first thin layer and lay down the wood.
- Seal the wood with resin (otherwise you might get some bubbles)
- Let the first layer cure to a semi-state, that way the next layers will still chemically bond.
- Fill the entire river with resin.

Step 4: The flattening
- Flattened the entire plate on one side, resin will shrink or expand sometimes, that's why it is important to flatten it all out.
- Used the X-carve from Inventables to flatten it all out, took me quite some time but at least the table is flat, which is important, I think!
- Sanded it smooth from one side, then repeated for the other side.

Step 5:

- Flowcoating the entire table top again on a 200 grid sanded table top.
- The flowcoat will hide the scratchmarks and flatten the entire table again with resin.
- Glasscast 10 was used here, without pigment.
- Now we can sand everything starting with 320 till 600.

Step 6:

- A friend welded the frame for me, but was still bare metal.
- The frame was scuffed and cleaned to have no oil residues left.
- Spray can filler was used first, followed by matte black spray paint.
- This could be enough but 1K spray can paints won’t be very durable so a 2K cleared was added on the spray paint for a durable finish. Finish was matte here.
- Table top is cleaned and degreased and coated with a 2K matte clear, this is a matter of preference but I preferred it matte than glossy, but this is all up to you!

Step 7:

- Final assembly mounting the frame on the table top!

For more information and technical data sheets I suggest you to visit the Easy Composites Website:
http://www.easycomposites.co.uk

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