How To Close The Gap Between Bathtub And Wall Doityourself Com Community Forums
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How to fill void under bathtub. Be wary of foam i filled the void under my tub and it ended up swelling the tub. Instead of building up ceramic tile bases from wet mortar installers only need to set them in place on a mortar bed before the walls are finished then connect them to the drain system. For homeowners single piece shower pans are easier to clean than tiled shower floors.
Your question needs elaboration dont know where the crack is and what you intent the foam to do. Some quite frankly are promoted as solutions without any sufficient evidence. Pans can be paired up with tiled walls for more design possibilities.
The trick is to layer plastic sheeting over the mortar to prevent it adhering from the tub making future replacement simpler. To fill the gap under a tub there are several potential approaches. Add an expander additive to prevent the mixture from shrinking during the curing phase after you pump it into the voids.
The amount of additive will be dependent on manufacturer instructions. These are the common products used for filling a void under a bathtub. Mix the fill material in a wheelbarrow using a spade.
Combine one part portland cement one part fly ash and two parts clean sand for the fill mix. Hightower jan 10 19 at 117. Mix per instructions and apply in a layer about 1 inch higher than the feet on the tub so the tub snugs down into the mortar and squishes the excess out.
Some pans do not even require mortar.
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