Bathroom remodeling in North Dakota can happen in the heating season, which is most of the year, as long as the heat stays on and the fan actually leaves the house. A shower pumped into a cold attic becomes frost, then a stain, then an ice-dam companion. The bath is an indoor trade. It still touches the roof if the duct ends in the wrong place. Find the end of the duct before you pick a surround.
Older main-street baths are small, with tired tile, a window that ices, and a valve full of mineral from a well or from hard city water. Scale is not waterproofing. Ask what goes behind the new walls and whether the alcove is square. Moving the toilet means the joists and the stack, which in a basement-heavy eastern house may be more accessible and still not casual. A prefabricated base and a tiled mud bed fail differently. Name which one you want.
Condensation on a bath window is a heating-season clue. If that window is in the shower, the remodel and the glass are one conversation. Replace or plan the opening before the new wall closes. Cold exterior walls grow mold in the corners when the fan is weak and the house is sealed. The fan must exhaust outdoors. Recirculating noise will not dry a tight room while the furnace is drying the rest of the house and the shower is undoing it.
Adhesives and waterproofing want the house above a shiver. Do not open an exterior wall on the coldest week and hope. If you can schedule the wet work while the burner is steady and a cold snap is not sitting on the forecast you trust, do that. Say if the only bath shares a stack with a kitchen on an outside wall. Frozen lines and a remodel do not belong in the same week if you can help it.
Say tub, shower, or the whole room, and whether the layout stays. Name the town and the floor. Mention an iced window or an attic fan if that is part of the failure. You do not need a showroom visit to start. You need the room that has stopped working. Call the number on this page.