Re: caulking shower basin.
Posted by Gary Swart on April 27, 2002 at 01:31:16:
In response to Re: caulking shower basin.
You need something behind the gap to hold the sealant. It might be a bit tricky to do it, but cut a piece of stiff cardboard, a scrap of plastic, even a slat of wood that is a little wider than the crack. Drill a two small holes fairly close together and thread a string through. Now slide this strip through the gap and once inside the space, turn it so that when you pull the strings the strip will cover the gap from the back side. Before pulling it tight, gob some sealant on it so that it will stick to the back side of the drywall. It still has to be held while the sealant is applied, but once you have the gap mostly filled, leave it for awhile to set up. The string can be pulled out or cut off close and buried in the sealant. This is sort of like patching a hole in drywall, but there you can use a large piece of backing and actually screw it into place.

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