I had tried a variety of materials for roading in the past. The most successful was railway ballast glued to felt as gravel, but I was after a sealed look this time. EVA foam looked okay, but curls with age and is so light that it blows away in the slightest draught. MDF is rigid so doesn’t conform to terrain.
In the end I went with 1.5mm rubber sheet. This was $40/metre on a 1.2m wide roll from Para Rubber (https://pararubber.co.nz/industrial-rubber-strip/692-rubber-insertion-sheet.html).
I cut it into 3" wide strips, scuffed the surface with sandpaper (otherwise the glue beads up), brushed on PVA, and covered it with budgie sand. Once the glue was dry and the excess brushed off, I sprayed it with flat black to help seal it. Using an art foam roller, I rolled on grey acrylic paint. It would have been quicker to spray them grey, but the hope was a heavier coat of acrylic would help give the surface some durability. The total cost worked out to be about NZ$1/foot.
The rubber scuffed up with sandpaper |
Gluing down the sand |
After being rolled with paint |
The finished product |
Here are some photos of it in action in a game late last year.
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