Normally, these are not suitable for areas driven on by cars.
But can this be compensated with the right sub-base, meaning more gravel and a thicker fine layer?
Background: I have plenty of paving slabs measuring 40x40x4 cm (they might also be 5 cm thick, but I need to measure again), enough to easily build a double carport.
Of course, I don’t want the slabs to warp or crack in the carport after two years, but can this be prevented with the right sub-base before just throwing them away?
Or does it make no sense, because the additional investment in the sub-base, which I might offset by selling the slabs, could be better spent using 6 cm (2.4 inches) paving stones instead?
The carport would normally only be used about twice a day and with a standard passenger car.
But can this be compensated with the right sub-base, meaning more gravel and a thicker fine layer?
Background: I have plenty of paving slabs measuring 40x40x4 cm (they might also be 5 cm thick, but I need to measure again), enough to easily build a double carport.
Of course, I don’t want the slabs to warp or crack in the carport after two years, but can this be prevented with the right sub-base before just throwing them away?
Or does it make no sense, because the additional investment in the sub-base, which I might offset by selling the slabs, could be better spent using 6 cm (2.4 inches) paving stones instead?
The carport would normally only be used about twice a day and with a standard passenger car.
Don’t do it; you won’t be happy with the result. I tried it myself once 🙁 Either paving stones 8cm (3 inches) thick or a concrete slab. We have now built a new carport and had a concrete slab installed right away. The cost, including earthworks and concrete for a 7x7 meter (23x23 feet) slab, was about 2000 euros, and I didn’t have to do anything myself 🙂 I’m completely satisfied with the cost. If I had chosen paving stones, I would have had to spend at least 11.00 euros per stone, plus curbstones and the entire base construction, which wouldn’t be any cheaper—and then there’s the labor cost as well 😉
H
hanghaus200025 May 2021 18:56If you want to follow the idea from post #2, please first check whether sealing the dode is permitted.
lesmue79 schrieb:
, and maybe compensate by selling the slabs and then also use 6cm (2.4 inches) paving stones?Hello lesmue79No one will buy walkway slabs. At best, someone might take them for free if you’re lucky.
Steven
lesmue79 schrieb:
Paving slabs 40x40x4 cm (16x16x1.6 inches) I have paving slabs in the garage, left by the previous owner, so they have been there for over ten years. The surface underneath is of sports field quality, and the slabs – even in this size – are laid in a standard staggered pattern, offset by half a slab width, parallel to the walls. Three slabs are broken now; ten years ago, only two were damaged. On them have stood a W124, R230, F355, and for the last several years, the everyday small car. Apart from wind, the metal garage has a climate similar to a carport.
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