Sloppy_Snood (There must some kind of significance to the name) Thanks for sharing the information with us. One question - Can that seal be installed after the pipe has been installed through the poured wall? Roger
Yes... the name Sloppy Snood is in reference to the wild turkey. The "snood" is the piece of dangling flesh that kind of "slops around" over a male turkey's beak (the red thing hanging over the beak in my avatar). It is the internet name I use because I turkey hunt a great deal across the United States (...and am always open for new turkey hunting invitations!
LOL!). Enough of that..... LOL
Your question's answer: The LinkSeal is wrapped around the pipe after the end of the pipe is inserted through a core drilled hole. The core drilled hole must be of larger diameter than the pipe. The LinkSeal manufacturer has a chart indicating was size core drilled hole is needed for a given pipe size. In my case, I am using Logstor pipe with an external diameter of 4.3". The LinkSeal itself can accommodate some variation in the o.d. of the pipe and simply expands (through compression of polymer fittings that comprise the LinkSeal's links).
Whether or not you can use a LinkSeal on a pipe already installed depends on
the hole's existing condition. If there is a piece of PVC already through the wall when the wall was poured, you could possibly add a LinkSeal. Of course, there must be an adequate "gap" between the pipe traversing the wall and the PVC sleeve in the wall. LinkSeal could tell you what that minimum gap should be but looking at my uninstalled LinkSeal, it appears to be around an inch.
If your existing pipe through a poured concrete wall is already mortared in (hydraulic cement or any other masonry cement), the cement must be removed in order to create the required "gap" for the LinkSeal to slide all the way into the wall across its thickness. This would also apply to those who might have used DuPont Great Stuff (or equivalent polyurethane spray foam products) to fill the void between the concrete hole's core-drilled wall and the pipe. Exactly how one would remove mortar, cement or polyurethane foam from this void
while preserving the smoothness of the core-drilled hole's wall is going to be "tricky" and undoubtedly time-consuming. Not saying it cannot be done but am saying "labor intensive." The "easier" thing to do for this scenario would be to break the pipe connection appropriately, dig up the pipe on the outside of the wall, re-coredrill (or clean existing hole out with a rotary wire brush power tool), epoxy in a PVC sleeve or equivalent and reassemble with the LinkSeal installed.
Again, labor intensive and not practical at all if trying to "save money."
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Topic: ....Through the Poured Concrete Wall (Read 6059 times)