How Much Load for Aquarium on a Wooden Floor Kitchens, doors, rails, stud, tables, chairs, stair cases, garden furniture etc... Find answers and ask questions here!

[Mrbluefox]

Evening all. First time poster here! Can anyone help me start to determine how much load I can put on a suspended wooden floor please? I've had a glance through the search and on google but the closest match I found on here had zero replies!

I'm not an overly experienced DIY-er but have managed to gather the following:

Ground floor reception room with joists set into the solid block wall (as I can see them in the wall of the understairs cupboard is this is set lower than the floor) perpendicular to how I want to site the load (let's say for arguments sake it's an aquarium). Joists are 80ish mm wide x 110mm deep and are set 430mm apart. Room is 3390mm wide by 4540mm long (in which the joists travel). Said load would straddle between 5 and 6 joists

Property is over a hundred years old and has a damp course certificate (however I do not know the state of the wood underneath (yet) and am reluctant to pull up floorboards until I can work back from a "theoretical" maximum etc).

As an aside, I understnd I'll need to add in some extra airbricks to aid ventilation as it's not great in the room as it stands.

Any pointers or advice most welcome!!

TIA
Neil

[collectors]

Hi, depends on the weight of your full tank. If you think that for every 100Lt of water is 4 x 25k bags of cement, it can add up. I would certainly have some boards up & put some extra support in if more that 100lt tank size.
Think of what it will cost if something happens.