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eastandwest
Grit falling from gap between heating pipe and metal sleeve

I live in a 1940's pre-war 6-story apartment building. It's a coop and I own my unit, so I am responsible for all maintenance within the walls, but not inside the walls that belong to the building.

There is a heating pipe in the bathroom that runs from the floor to the ceiling. Last winter, after having lived here for 7 years without a problem, I started to have grit falling out from the gap between the pipe and the sleeve that holds it.

I know that I can't fix the root/source of the problem, and all I can probably do is figure out some way to prevent the dirt and grit from actually falling on the floor. Can anyone think of a way to fashion some type of metal sleeve/tray that can be attached to the top of the pipe near where the grit is falling, like a gutter would catch leaves?

Last winter I did try to stuff steel wool in the cracks, but the steel wool falls out and even before it began to fall out, it didn't seem to work.

I am attaching photos so it will be easier to understand the problem. I appreciate all your ideas. Please excuse me for asking a question like this; I'm sure many of you who are good at fixing things would never put up with a stopgap measure like the one I am asking for.

Thank you in advance for any help you can provide. Images are in links below. You might have to copy and paste them since I am a new user and may not be allowed to post links yet.
http://postimg.org/image/ormo5ui0b/
http://postimg.org/image/kl6f497sb/

JLMCDANIEL
Re: Grit falling from gap between heating pipe and metal sleeve

I would think a can of spray foam would do the trick.

Jack

eastandwest
Re: Grit falling from gap between heating pipe and metal sleeve

Thank you for your reply.

I was specifically told by the building manager that that sort of thing won't work. I think he mentioned the fact that there needs to be room for expansion since it's a metal heating pipe. I believe that's why there's a gap in the first place. Would that be your understanding as well?

dj1
Re: Grit falling from gap between heating pipe and metal sleeve

Use plumber's elastic putty/sealant, Home Depot carries it.

dj1
Re: Grit falling from gap between heating pipe and metal sleeve

Well I just found it in my van, it's called "GB duct sealant".

eastandwest
Re: Grit falling from gap between heating pipe and metal sleeve

Thank you. Will definitely buy some and try it. I just read the reviews on the Home Depot site and I am optimistic that it will work!

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