x 60 in. Tile backer board (not green drywall - cement-based products in 3x5 sheets) is much better for the job. I don't know why you would water proof under a cast tub. Insulating around a bathtub prevents everything from drafts to mold. x 57 in. Steel tubs are tougher; you may have to remove drywall and slide them out, although you can often tip them up and out too. Two questions: 1. The room is gutted right now down to the studs. Ideally, drywall should be in the next room, or at least around the corner. I am tiling a shower wall above an old cast iron tub that has a very small flange. I'm working on renovating a 90 year old house. I'll be applying closed cell foam insulation to the exterior wall. x 57 in. Break it up with a sledge. x 57 in. I removed a 1.5 inch wire and mud/cement base with tile from the wall and subsequently, my studs are 5/8 – 3/4 inch from the tub. I have removed old tubs by smashing them with a sledge hammer. While most insulation is completed during tub installation, older homes may be lacking in modern insulation amounts. I see a major future problem with that installation in the link. Many states now require R-19 insulation in bathroom exterior walls and R-30 in the ceiling. They have a drain that goes through the floor, normally I cut an 8" x 12" hole for the waste and overflow. With a fiberglass or acrylic tub, cut out a chunk with a jigsaw and lift out the tub (Photo 5). When I do a normal tub surround I buy 4 pieces of backer. The Apron-Style Cast-Iron Bathtub Installation. If you think you simply can't do that, stop the drywall at the top of the tub surround or shower enclosure and … Smaller tubs often don't, and larger tubs sometimes have a self-leveling system built-in, where little feet all the way under the tub keep it stable and supported. 5-Piece Easy Up Adhesive Tub Surround in White makes an attractive and functional addition to your bathroom. You have to slide in new cast iron … Eventually water will run up the flange from hand-held shower sprays directed at the tub/flange, kids splashing around, etc.. Cast iron tubs are too heavy to lift out. x 60 in. 5-Piece Easy Up Adhesive Tub Surround in White The Pro-Series 32 in. Cast Iron tubs have a very thick funky flange, but regardless of the tub type flange, Be very diligent on the flashing/waterproofing at that point. My query is similar to an earlier one, but enough different I need to ask. Before you start sweating your choices on what kind of mortar to use under a bathtub, it's important to note that not all tubs require mortar. One goes up vertical on each side (5 feet), one horizontal on the back, and another cut at 2 feet horizontal so that we have 5 feet above tub deck all the way around. It had a cast iron/ceramic tub that never had a shower, but I want to add one with a tile surround above the tub. 5-Piece The Pro-Series 32 in. Drywall above that . x 60 in. Pro-Series 32 in. Hiring a certified fabricator to cut and install the material will cost $700 to $800 for a three-wall, 5-ft. I've never heard of anyone breaking a cast iron tub by installing or moving them. Cast-iron bathtubs offer durability and efficient use of space in a bathroom. I even do the drywall if tiling to the ceiling.