Repair Titan single skin oil tank

[Matt77]

I’ve had ago with fibreglass in a tin but only on the outside, worked until I moved the tank with liquid in, which I want to do, any better ideas than fibreglass ?? It’s an 8 inch crack that needs repairing. I think I’m too fat to get inside to repair from there
Just to clarify, it’s one of the green plastic ones

 

[Lazy Sod]

It depends what it's used for. Water: plastic welding might do it. Oil: scrap it.

 

[Matt77]

It depends what it's used for. Water: plastic welding might do it. Oil: scrap it.

Water and liquid fert, is plastic welding a DIY job??

 

[Lazy Sod]

I'm pretty certain that plastic tanks, like 205 litre barrels are polypropylene. I have done bodge repairs with a soldering iron only, on things made from bits of barrels. I believe that you can buy sticks of different types of plastic to use with the iron. Other members will know more. I wonder if a hot glue gun would work?

 

[Matt77]

That sounds like a plan to try, just hope I’ve not made to much of a gap with the grinder, I “V’ed” it out so the fibre class could get into it.

 

[davidroberts30]

If it's diesel tank then get prepared to change it by next year when all tanks need to be bunded

 

[Matt77]

If it's diesel tank then get prepared to change it by next year when all tanks need to be bunded

No it’s an old tank for shifting a bit of water or fert for the sprayer when needed.

 

[davidroberts30]

No it’s an old tank for shifting a bit of water or fert for the sprayer when needed.

 

[Shovelhands]

Plastic welding will do it, you do need the appropriate rod to do it and a hot air plastic welder, soldering iron is not really the way to do it.

I have successfully welded fuel tanks on vehicles in the past and have an old single skin Balmoral tank that is still ok after over 20 years with a plastic weld repair, but that was because of a saw cut rather than a split. Titan tanks do tend to split in my experience and there not much hope for them tbh. As it’s only for water then definitely worth a try though, make sure you clean off all the fibreglass you’ve stuck in the crack.