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Motivated by JohnP, I've started my borders. I wasn't keen on buying plastic ones as I would of had quite allot to get. Here is a cheaper way of doing it.
I've used 8 mm foam ceiling tiles cut to shape. I used some spare curves of the same radius as the track and a metal ruler to cut the foam. One glued with a special foam glue (no solvents), it is not even 1 mm above the track surface. This is easily sanded down to be level with the track allowing the outer lane some side-sliding room.
About 2.5 cm from the track, I'll start the decoration. Either grass or gravel. The gravel traps are sweeping curves going into the corners of the table. I'll have 'metal' barriers and tires on the inside of those.
Where the foam ends, will be the scenery, either turf or tarmac for the pits areas.
I noticed that the paint finish was better where I sanded down the foam and perhaps with the heat of the sanding, sealed the surface a little.
The paint is a water based acrylic. I notice that it does slightly eat the foam in placed where I haven't sanded. Not even noticible though. Gives a more natural look.
I've used 8 mm foam ceiling tiles cut to shape. I used some spare curves of the same radius as the track and a metal ruler to cut the foam. One glued with a special foam glue (no solvents), it is not even 1 mm above the track surface. This is easily sanded down to be level with the track allowing the outer lane some side-sliding room.

About 2.5 cm from the track, I'll start the decoration. Either grass or gravel. The gravel traps are sweeping curves going into the corners of the table. I'll have 'metal' barriers and tires on the inside of those.

Where the foam ends, will be the scenery, either turf or tarmac for the pits areas.

I noticed that the paint finish was better where I sanded down the foam and perhaps with the heat of the sanding, sealed the surface a little.

The paint is a water based acrylic. I notice that it does slightly eat the foam in placed where I haven't sanded. Not even noticible though. Gives a more natural look.
