How does one seal the joiny where the tub meets the wall if its a wide joint like 1/2 to 3/4 inch ?
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Brownbagg,
There is the obvious unspoken question of what it's supposed to look like, and, to who. But one solution might be a line of ceramic "cove" tile which I have seen in the shape of 3/4 wood cove in lengths of 6-8 inches.
If this is just a crack that needs to be "put behind you" and "on with life" I would consider first filling with either fibreglass or closed cell sill sealer rolled to fit tight. Then I would mask the tub and wall with blue tape and get out the "bondo". This job could end up fairly neat with the right tools in hand.
It is easy to get the feel for "bondo" with a couple of mixings. It turns to the consistency of "cheese" within a couple of minutes. If you only fill the amount you can manage it is very easy to form it to the shape you want during that "cheese" state. A bent sharp blade or a surform might do it. The blue tape could represent the limits of the desired shaped fill.
The "bondo" could then be painted with Kilz, and finish painted. Hey, on a fill this big you could paint a mural.
Since you didn't give any clues where this tub is, I am giving a low budget approach. It may not fit the situation at all.
rephase the question. Installed a drop in fiberglass whirlpool tub that sets on top of frame. It has that rolled lip. The lip is about 1/2 from wall. Tile will not cover this gap. How does one fill the gap. It seems like that would be alot of chaulk.
Right.
I still don't know what the cosmetic standards are but there is such a thing as "poly board" that is only 1/16 + , white, that could be placed on the "ledger" against the wall and the tub lip over it. Vinyl soffet or siding is similar.
In some cases it would be time for another 1/2 inch of wall.
How did you handle it?
If its not too late, the wall can be furred out over the rim, so the tile misses the beveled part.
A bead of silicon that wide will not last long and will never look perfect.
its too late
Sounds like the tub went in after the wall material. This might work?!! foam in a can the gap.(blue tape where you don't want the foam). Let it setup for a day or three. Trim of the foam to flush with the tub. Find a corian fab. shop and see if they can make some narrow strips to run along the tub/wall area. once made glue in place with 100% silicon without large fills of silicon.
just thinking here, I have the duro rock (1/2) on the walls now but no tile. Can I add another sheet of 1/4 duro rock to take up the gap at the tub. Its only on one end of tub
I just set an American Standard whirlpool tub and there is a rubber flange that sits on the lip and fills that space, then the tile or solid surface matl rests on the rubber according to the instructions.
The rubber flange has to be special ordered it does not come with the tub. Look at your instructions carefully. I believe the Amer. Std. instructions show it in the Illustrations or its mentioned in the text. they have a name for the rubber flange but it escapes me now, (I think they call it a tile support strip) I'll look at the instructions tomorrow and tell you what its called. The stringers the tub rests on are only for keeping the tub level, mortar must be used under the tub to actually support it.