Adsibob Posted December 9, 2021 Share Posted December 9, 2021 I need to fit a water tank that weighs 40kg quite high up on a wall in my utility room. This is for a sprinkler system pump/tank and the company fitting it has said that normally they only fit these things low down, but that they are happy to bring specialist lifting equipment on the condition that I build a shelf and demonstrate that it is "sufficiently reinforced" to hold the weight of the pump/tank. The shelf needs to be 700mm in length and 350mm in depth. The issue is that not only do i need to build something that will hold the weight, but it needs to be perceived by the sprinkler company to hold the weight, and I don't know how strict they are going to be. Anyone recommend any heavy duty brackets? What shelving material would you use? 24mm ply? Metal? Don't want to spend too much, but need it to be strong. Link to comment Share on other sites More sharing options...
Roundtuit Posted December 9, 2021 Share Posted December 9, 2021 40kg empty (two man lift?), or 40kg plus water? Some sort of gallows brackets should do it I'd have thought. Link to comment Share on other sites More sharing options...
joe90 Posted December 9, 2021 Share Posted December 9, 2021 What are the walls made of? Will it fit in a corner (so two walls or more are involved)? Perhaps a diagram that will make it easier to discuss. Link to comment Share on other sites More sharing options...
TonyT Posted December 9, 2021 Share Posted December 9, 2021 https://www.screwfix.com/p/heavy-duty-bracket-black-300-x-300mm-2-pack/78941?tc=MC3&ds_kid=92700058173294173&ds_rl=1244072&gclid=CjwKCAiA78aNBhAlEiwA7B76p6g9OU-u0YPHAvq9HV9xu0bEaT0Je5aTDkUMlgV-e4BQRWv0IJRMOBoCv_MQAvD_BwE&gclsrc=aw.ds 100kg shelf brackets and say a sheet of 18mm doubled up? scaffold board? Link to comment Share on other sites More sharing options...
gaz_moose Posted December 9, 2021 Share Posted December 9, 2021 the brackets above concrete screwed into the walls, assuming they are not partition walls. Link to comment Share on other sites More sharing options...
carlb40 Posted December 10, 2021 Share Posted December 10, 2021 Brackets that hold X kilo's are all well and good, but the fixings need to be able to take the weight too. Personally if you have the space? I would make a floor standing storage unit, so you can sit the tank on top and still have storage underneath. Link to comment Share on other sites More sharing options...
JohnMo Posted December 10, 2021 Share Posted December 10, 2021 Assume you are on wood stud, large piece of 18mm ply screw to studs at about 150mm centres. Try to spread the load across multiple be studs. Put brackets on ply to hold cylinder etc. Link to comment Share on other sites More sharing options...
Adsibob Posted December 10, 2021 Author Share Posted December 10, 2021 The wall is a bit tricky to describe. It's an original external brick wall of a 1930s semi house (no cavity, just double brick). But because the wall was rather damp, a RICS surveyor advised us to line it with a breathable membrane and then put metal studs in to create an air gap and then plasterboard onto those studs. So it's effectively a stud wall fixed to an old brick wall. I can't really make it floor mounted as no space. Other option is to suspend the shelf from the joists above, which are brand new posi joists, though the chipboard floor is already down, so only way to hang from them is to hang from the bottom joist, but I guess that's okay? Will complicate the ceiling closure. Not possible to hang from another wall or two. Link to comment Share on other sites More sharing options...
joe90 Posted December 10, 2021 Share Posted December 10, 2021 1 hour ago, Adsibob said: can't really make it floor mounted as no space. Can’t you position legs between the stuff below it to make a platform? You cant hang it from the wall but the joists above may be ok, you could bolt timbers to both the top and bottom cord to spread the load.? Link to comment Share on other sites More sharing options...
SimonD Posted December 10, 2021 Share Posted December 10, 2021 5 hours ago, Adsibob said: But because the wall was rather damp, a RICS surveyor advised us to line it with a breathable membrane and then put metal studs in to create an air gap and then plasterboard onto those studs. So it's effectively a stud wall fixed to an old brick wall. I can't really make it floor mounted as no space. I would build a shelf unit that hangs on french cleats fixed to the metal studs using Tek screws. French cleats are brilliant for hanging cabinets and shelves on stud walls. Link to comment Share on other sites More sharing options...
TonyT Posted December 10, 2021 Share Posted December 10, 2021 Get some screwed rod and resin it into the wall and fit the brackets. not going anywhere Link to comment Share on other sites More sharing options...
Dave Jones Posted December 11, 2021 Share Posted December 11, 2021 hang it from ceiling joists? 1 Link to comment Share on other sites More sharing options...
SteamyTea Posted December 11, 2021 Share Posted December 11, 2021 Does this tank have to be indoors? Can you design it into your cycle shed? If the total mass is 40 kg, that is not much water to put a fire out with. Link to comment Share on other sites More sharing options...
Adsibob Posted December 11, 2021 Author Share Posted December 11, 2021 16 minutes ago, SteamyTea said: Does this tank have to be indoors? Can you design it into your cycle shed? If the total mass is 40 kg, that is not much water to put a fire out with. It’s a mist system, so puts out aerosol sized particles of water. for some reason it needs to go indoors,,I guess to stop it freezing. Link to comment Share on other sites More sharing options...
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