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Hi All
Looking for some advice if possible please. I have a hot tub being delivered at the end of July and I am putting it on a patio which slopes away from the house for drainage purposes. It drops around 3 inches over the 8ft length of the tub so it's a pretty severe slope.
I am looking at creating a level surface for it and as I couldn’t find a tradesman to take on the job, have built a rather simple frame knocked together with 95x145mm pressure treated timber with two 100mm screws and an angle bracket in each corner to provide the strength. I also have a gravel grid ready to install once it’s level which is designed to bear most of the weight of the tub (they can support something like 420 tonnes per square metre so the manual says).
Firstly I need to level it within the frame though, and I am not sure what material would be best to do it with. I had considered lining it with rubber playground style tiles to protect the flags as much as possible in case I ever get rid of the tub, and then levelling it with compacted MOT type 1, followed by the gravel grid filled with pea gravel. However I am wondering if that might be overkill and whether compacted building sand might work with the grid placed on top of that?
The hot tub weighs around 1600kg fully filled so it’s a heavy old thing, here is the frame so far:
https://imgur.com/3F7KgxX
Any suggestions would be most welcome as I am a little bit stuck and would hate to get this wrong.
Thanks
Jimmy
Looking for some advice if possible please. I have a hot tub being delivered at the end of July and I am putting it on a patio which slopes away from the house for drainage purposes. It drops around 3 inches over the 8ft length of the tub so it's a pretty severe slope.
I am looking at creating a level surface for it and as I couldn’t find a tradesman to take on the job, have built a rather simple frame knocked together with 95x145mm pressure treated timber with two 100mm screws and an angle bracket in each corner to provide the strength. I also have a gravel grid ready to install once it’s level which is designed to bear most of the weight of the tub (they can support something like 420 tonnes per square metre so the manual says).
Firstly I need to level it within the frame though, and I am not sure what material would be best to do it with. I had considered lining it with rubber playground style tiles to protect the flags as much as possible in case I ever get rid of the tub, and then levelling it with compacted MOT type 1, followed by the gravel grid filled with pea gravel. However I am wondering if that might be overkill and whether compacted building sand might work with the grid placed on top of that?
The hot tub weighs around 1600kg fully filled so it’s a heavy old thing, here is the frame so far:
https://imgur.com/3F7KgxX
Any suggestions would be most welcome as I am a little bit stuck and would hate to get this wrong.
Thanks
Jimmy