funandtrains
Registered

I've just seen this metal professional lawn and border edging product which bolts together and can be bent into curves, although not cheap it looks like a good way to hold gavel or concrete to make a trackbed that won't spread:-
http://www.pitchcare.com/shop/everedge-lawn-edging/everedge-a1-75mm-x-1m-pack-of-5.html?telx=01902-440268
http://www.everedge.co.uk/Scripts/everedge/factoryshop.asp
http://www.pitchcare.com/shop/everedge-lawn-edging/everedge-a1-75mm-x-1m-pack-of-5.html?telx=01902-440268
http://www.everedge.co.uk/Scripts/everedge/factoryshop.asp