Polystyrene sheets these are cheap to buy and surprisingly effective in your floating raft system.
Use plastic sheet on raft.
This is something that you could use on a yearly basis it could be anchored somewhere to swim from or it can be used to float down the river or acoss a lake.
And then laying of reinforcement is done on spacers over the foundation bed.
Place the bundles of plastic bottles in the elongated garbage bags.
Plastic can be found floating in the ocean in barrels on vacated rafts and in loot boxes.
Stretch out two sheets of netting.
After this a waterproofing layer is installed if it is a basement.
Secure the garbage bags with duct tape.
Food water edit edit source empty cup 4 empty bottle 6 simple purifier 4 advanced purifier 6 cooking pot 6 sprinkler 12 scarecrow 3.
Then a waterproof plastic sheet is laid over the earth and a thin layer of plain cement concrete pcc is poured just to create a perfectly flat and level base for the foundation.
Uses edit edit source plastic is used to make.
Not to mention that using 4 plastic barrels would be tons more stable.
Plastic is used for 18 different items including the raft foundation.
Polyethylene sheeting under concrete slab under slab vapor retarders play a very important role in retarding moisture from coming up through the concrete and into the structure.
Using 4 plastic barrels building a fram around them would make a raft that will maybe out last you.
You can purchase huge sheets of these and cut them to fit the size of your tank or tanks.