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Vertical Oak sleeper lawn edging advise please

Hi,Im wanting to intall some lawn edging in our garden made from Oak sleepers. I plan to install them vertically, quite low, staggers height between 150mm - 300mm. My question is how deep into the ground should i sit them, i was thinking half the longest piece,i.e 200mm deep trench, 50mm gravel drainage into trench then concrete front and back to hold them in place.Is this about the right depth would you think? Or is that going overboard, i really dont want them to move at all,but there in the other hand, Oak sleepers are pricey.Any advise greatly appreciated. :) 
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  • DovefromaboveDovefromabove Central Norfolk UKPosts: 77,339
    edited 2 April
    Hi @lloydy97ZlGQO and welcome to the forum 

    Are the sleepers going to be holding back an existing earth bank ... or are you constructing a raised bed?
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • KT53KT53 Posts: 6,414
    Rather than concreting, drilling holes through the sleepers and driving reinforcing rods about 450 mm into the ground will hold them in place very effectively.  We had raised beds, 3 sleepers high, retained that way.  If you are going more than one sleeper high, as in the areas 300mm high,  use flat metal plates to join them.  Line the back of the timber with plastic or some other waterproof membrane too.  As you say, sleepers are not cheap and you want them to last as long as possible.
  • Hi @lloydy97ZlGQO and welcome to the forum 

    Are the sleepers going to be holding back an existing earth bank ... or are you constructing a raised bed?
    No there not retaining anything, purely for effect.
  • KT53 said:
    Rather than concreting, drilling holes through the sleepers and driving reinforcing rods about 450 mm into the ground will hold them in place very effectively.  We had raised beds, 3 sleepers high, retained that way.  If you are going more than one sleeper high, as in the areas 300mm high,  use flat metal plates to join them.  Line the back of the timber with plastic or some other waterproof membrane too.  As you say, sleepers are not cheap and you want them to last as long as possible.
    Hi, Thanks for your reply. I am wanting to instal the sleepers vertically for effect, tallest with be only 300mm from lawn level, and there not retaining/supporting any,purely for effect. The Green Oak sleepers are just over £40 a go so £1000 for the timber alone, but should look nice  :smile:
  • JennyJJennyJ DoncasterPosts: 6,074
    I can't comment on installing sleepers, but if you're going to have the grass growing right up to them, think about how you'll cut it. You won't be able to get the mower blades to the edge.
  • Hi, thanks. I am going to run a course of block paviers in front of the sleepers for the mower wheels to run around, so hopefully shouldnt be an issue
  • JennyJJennyJ DoncasterPosts: 6,074
    That sounds like a good plan :)
  • FairygirlFairygirl west central ScotlandPosts: 46,114
    Do you have a suitable saw for cutting them too?
    Otherwise, they could look awful. They can't really be cut properly 'square' with a standard hand saw or jigsaw or similar. 
    It's a place where beautiful isn't enough of a word....


  • Wrigs21Wrigs21 Posts: 123
    You need a large circular saw. Tried cutting first time round with a hand saw version and as you say look terrible as can never line it up properly 
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