Sealing joints in solid concrete barn guttering?

[caravanboy]

Hi,

I have a 1960's agritultural barn that came with my house. It has a solid concrete gutter along each side (quite wide and strong - it safely supports my weight). Anyway, each section is about 10 foot long and several of the joints between them are now leaking. In the past they appear to have had some sort of sealant material between them which has been pasted over with some sort of silver tape.

Can anyone suggest the best way to seal the joints? I presume normal guttering sealant wouldn't cope with the expansion in hot weather?

I'd rather just concentrate on the joints and not go to the expense of lining the whole gutter at the moment (we have too many expensive problems to fix on the main house). A solution that would last for a couple of years would be fine as long as it isn't too expensive. I could then put a better solution in place when funds permit.

Thanks

 

[Alastairreid]

Try this stuff, its one of the better products on the market at the moment.

Untitled

• Alastairreid
• 26 Apr 2009
• 17

Acrypol, your local builders merchants should stock it.
Around £40ish for 5 litres.