Angle stones, Concrete L-stones – Prices + Instructions for Setting

Angle stones, Concrete L-stones – Prices + Instructions for Setting

Corner stones are ideal for framing beds or as delimiting individual sections in the garden. They can be set by themselves without any problems and are extremely durable due to their material and can be attractively integrated into your own green oasis. The only factor that put many people off buying is the price of the concrete L-bricks.

Do you want to surround your new flowerbed with corner stones? The aesthetically pleasing stones in the L-shape can be used effectively for this purpose and inspire with their simplicity and durability after setting. You don’t even need a lot of knowledge to install the stones in order to fix them according to your ideas. Thanks to the practical shape, the concrete L-stones stand up by themselves as soon as the foundation is right. Since the stones are made of concrete and have a special shape, you have to reckon with high sums of money if you need many or particularly large angle stones.

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Prices in detail

Before you decide to place the L-stones, you should be clear about the possible prices. These are defined by the height, width and thickness of the individual stones and the respective purpose, because not every corner stone is recommended for the same use. The different types are:

  • L-stones: suitable for fastening the edge of the planting area, fastening embankments, backfilling with soil
  • Angle brackets: suitable for raised beds, slope reinforcement, terrace and staircase frames, traffic routes

Of the two variants, the L-stones in particular are more common in the garden, as they are much cheaper compared to the angle brackets, which have to withstand much greater forces. The types are usually offered in the following heights:

  • L-stones: 30 cm, 40 cm, 50 cm, 60 cm, 80 cm
  • Angle brackets: 50 cm, 60 cm, 80 cm, 100 cm, 120 cm, 140 cm, 150 cm, 160 cm, 180 cm, 200 cm

Of course, you can order special sizes from companies that process concrete, but the above sizes can be found for ordering in hardware stores. Only in very few cases are these in stock in the store, with the exception of the small L-stones. Angle stones are always paid per piece, which means that the more stones you need, the more expensive the border will be. An example: You need L-stones for a bed border that should be five meters long and two meters wide. You choose stones with the dimensions 50 x 32 x 40 x 8 cm, which cost 16 euros each. You need:

  • 30 L-stones = (10 stones for a long side + 5 stones for a short side) x 2
  • the costs are thus 480 euros (16 euros per piece x 30 L-stones required)

Angle brackets can easily cost three times as much. So, you have to pay a total of 1,500 euros for the stones for 30 angle brackets measuring 50 x 50 x 40 x 10 cm and a unit price of 50 euros. The quantity and dimensions are of course always different and tailored to the project.

Tip: the prices for the stones themselves are fixed and differ from manufacturer to manufacturer. When ordering, however, you should make sure that shipping costs are calculated, as the stones are quite heavy and therefore additional costs must be included in the invoice.

Material and tools

Setting the corner stones is not difficult, but it requires a lot of muscle strength, concentration and endurance. Even small L-stones can weigh over 50 kilograms, which definitely speaks for a helping hand that can transport and set the stones together with you. For the project you will need:

  • Corner stones
  • Sand-gravel mixture for light stones
  • Basalt-sand-grit mixture for heavy stones
  • Plate compactor
  • Lean concrete
  • Shovel or mini excavator (only for large projects)
  • line
  • Setting bar
  • Spirit level
  • Garden fleece
  • Work gloves for sensitive hands

Very few do-it-yourselfers have vibratory plates in their tool shed or workshop. For this reason, it is advisable to borrow this device from a hardware store or a specialist dealer. The prices for one day are around 35 euros, if four hours are enough for you, around 30 euros.

preparation

When preparing the project, the pit in which the stones will be placed will be prepared. Here you need the vibrating plate in order to be able to offer the stones a suitable foundation. Since they are so heavy, they have to be firm and level, which simply doesn’t work in uncultivated soil. To prepare, do the following:

  • Step 1: Measure the height of the pit based on the height of the angle stones. In addition, obtain 20 cm for the foundation, otherwise the stones cannot stand properly in the pit. Then dig them out, either with the shovel or the mini excavator, which is particularly suitable for large pits.
  • Step 2: For the foundation now fill the mixture of sand, gravel or the mixture of basalt, grit, sand into the pit. After this has been filled in and the height of 20 cm is correct, you now have to compact it. To do this, use the vibrating plate with which you slowly and carefully move over the foundation in order to sufficiently consolidate the sediment mixture.
  • 3rd step: Now you finish the foundation with a layer of concrete. Mix this and apply it evenly on the compacted foundation. Smooth the concrete so that it is level and thus makes the foundation perfect for setting the angle stones.
  • 4th step: Let the concrete dry out. During this time, you can already bring the stones in if you have not already done so.

Tip: if your pit will be very large and you decide on the mini excavator, you can rent it as well as the vibrating plate. These are usually charged at 100 euros per day, whereby you should pay attention to the delivery conditions and possible costs.

Setting angle stones: instructions

Once the foundation has been prepared, you can now begin the actual project: setting the corner stones. Be prepared to have tired arms after this work, especially if you want to limit a large area. Since the stones weigh a lot, it is advisable not to do this alone. Follow the instructions and you can enjoy your new limitation after a hard piece of work:

  • 1st step: First you stretch a string to align the stones better. This should not be stretched directly on the foundation, but next to it, as you still need space for the stones.
  • Step 2: As soon as you have the stones ready, start setting them. If you have corner connections, these are set first because you can use them to orientate yourself easily. Always check the position of the corner stones with the spirit level and the stick, so that they are not crooked all of a sudden. This is especially important with a large number of stones.
  • 3rd step: If differences in height become noticeable in the foundation, you have to level them out with concrete. This lengthens the work, but the result is accurate and does not vary in height.
  • 4th step: After all the stones have been set, pour the sediment mixture onto the lower edges of the angle stones to fix them. You also have to compact this layer again.
  • Step 5: Then spread the garden fleece over this layer so that the earth does not mix with the gravel and thereby affect the position of the stones afterwards.
  • Step 6: Finally, soil is filled into the pit in several layers and each layer is compacted individually.

Tip: large L-stones need drainage. For this, wrap the pipe for drainage in the fleece and fix it directly in the corner of the stones until it then leads out of the pit.