Foam & PVC
EVA Foam
Description: Typical EVA Foam that is used for placing gym equipment on. Comes in packs of 4 tiles and 1cm height.
PVC Tubes
Description: Comes in a tubular form in various lengths, you will need some sort of power tool to cut (Die Grinder or Jigsaw) and a heat gun to form.
PVC Sheets
Description: More expensive than PVC tubes but is possibly easier to work since they come in flat A4 sheets. However they are more expensive than PVC Tubes.
Big Mat
Description: has most DIY
HomeMate
Description: has most DIY