Kink/ crease in Pipe

10 Jan 2004
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United Kingdom
I notice when i was under the floor boards that one of the radiator pipes that has been bent in position has a like a crease/kink on it. As if its been bent into position then bent back again to allign. Its a small crease sticking up about 1 mm on the bend.

Can this be a potential week point? or prone to bust pipe in winter. Or if its ok and not leaking do just leave it?

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Any bend in a pipe is a potential weak point because as you bend the pipe the outer bit stretches and consequently gets thinner, if it's under the floor dowstairs it should be lagged to prevent freezing.

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