CT1 Sealant & Sealing Gutters

Joined
11 Sep 2012
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Location
Glasgow
Country
United Kingdom
Hi all,

I have brown gutters and have replaced a corner join.

It's an old plastic guttering system and the corner piece I bought from B&Q fits however the seal does not make good contact all round especially at the trough of the gutter - hence a steady leak.

I was thinking of using CT1 to seal it.

My question is do you just apply it to the outside. I would prefer not to do this as it just gives a messy finish.

Could you remove the gutter seal inside and apply CT1 where the seal should be?

Where is best to apply the sealant?
 
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And as a follow up...

I took the gutter apart, removed rubber seals and put in a thick bead of clear CT1 and re-made the gutter.

Got my hose up to gutter and simulated a heavy down pour.

No leaks.

Sound product.

Now only time will tell.
 

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