This would make it level but it would also result in no support for the front ledge of the tub. I was initially hoping to just use the mortar to take care of the 1/4” floor slope. This will, in effect, give me a “shim” which is now fully supporting the front apron along its entire length. Should I use some SLC in a narrow strip beneath the entire length of the apron? Presumably this will feather itself to zero at one end and be ~1\4” thick at the other. This presumably is to prevent a concentrated point load, caused by the shim, cracking the apron. The instructions specifically say not to shim under the apron. One end of the apron will be on the floor and the other end will have a 1/4” gap. However, it will not be entirely resting on the floor due to the slope. When I set the tub down in the mortar, resting on the level stringers, the bottom edge of the apron will be horizontal. I will be using mortar piles and plastic under the tub. I have installed perfectly level stringers along the back and side walls. The plywood sub floor is ~1\4” out of level from one end to the other. My question is this.ĭoes the front apron need to be resting directly on the floor? Along its full length? It seems to me that it would, otherwise, what happens when somebody sits on the edge of the tub? It would flex and/or crack the tub, right? I am installing a Maax Exhibit 6036 IFS AFR Bathtub, in an alcove, which has an integrated apron.
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