If you really want an ecological naughty to decorate your garden, the best option is to put our natural oak sleepers, without any added treatment, you always have the option of applying an untreated railroad tie to give the appearance that we like. This kind of garden design complementary is a highly durable wood classified as R-4 and by not carrying added treatments, it is totally ecological and comes from self-sustaining forests. Natural untreated railroad ties are suitable for indoor and outdoor installations. 100% natural and high durability material without creosote or chemicals. Get these ideas and create your own creation!