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pipe insulation against wall

im trying to insulate my hot water pipes in my crawl space and have run into a bit of a snag. my pipes are so close to the wall i can not get the pipe insulation tube behind it. would a spray on type insulation work?

erika newark de usa

Re: pipe insulation against wall

Can you undo the hangers and isulate then rehang the pipe? Spray on insulation is not the answer.

Re: pipe insulation against wall

I have the same issue.  Old metal pipe from crawl space, underground, goes up block wall to kitchen sink - flat against blocks.  Why is spray foam not the answer?  I was going to try that.  

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