Why does waterproofing cost so much when it is invisible?

Because it is the layer keeping water in the shower. Tile and grout are both porous; the membrane behind them is the barrier. It is also the one part nobody can inspect after the fact, which is why it is worth asking each quote to specify it.

Is a heated floor worth it?

In a Minnesota bathroom, more than almost anywhere else in the house. An electric mat on its own thermostat is straightforward during a remodel and cannot be added afterwards without lifting the tile.

Where should the bathroom fan vent?

Through the roof or a wall, not into the attic. Venting into an attic in this climate puts warm, wet air against a cold roof deck all winter; it condenses, frosts, and drips back through the ceiling in spring.

What turns a room into a legal bedroom?

An emergency escape opening, which code requires, and usually a closet, which appraisers and buyers expect. Without egress the room is not a legal bedroom, an appraiser will not count it as one, and a buyer’s inspector will flag it.

Private Rooms

Bathroom Remodeling in the Twin Cities

A bathroom is a wet room built inside a dry house. Most of what fails in one fails for the same reason: water found a path the assembly did not account for, and then had somewhere to sit.

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Bathrooms

Full bathroom remodels — showers and tubs, tile, vanities, lighting and ventilation — and the details that decide how the room feels: niches sized to the tile, a heated floor, and blocking in the walls for grab bars, whether or not you want the bars now.

A bathroom vanity with a backlit mirror and quartz top.

A bathroom with a navy vanity, a quartz top and a sliding frosted-glass shower enclosure.

A glass shower enclosure with large-format wall tile.

Built around the waterproofing

Tile and grout are both porous; the waterproofing is the layer behind them. Showers are built with a bonded membrane, with the corners, curb and drain detailed as part of it and the slope to the drain built in beneath it. Cement board or a foam backer board is the minimum substrate. Fans are sized for the room and ducted to the outside through an insulated run — venting into an attic in Minnesota puts warm, wet air against a cold roof deck all winter.

Bedrooms

Code requires an emergency escape opening for a bedroom, and appraisers and buyers usually expect a closet — which matters when you are converting a den, a bonus room or lower-level space. The rest is finish work: closets built to be used, trim matched to the house, and solid-core doors and insulated interior walls, which make more difference to how a bedroom feels than anything you can see.

A primary suite brings the bedroom, an ensuite bathroom and a walk-in closet together as one project, so the layout, plumbing and storage are planned at the same time rather than room by room.

Older houses, and what has to be tested first

A bathroom in a house built before 1978 needs a step before demolition. Disturbing paint of that age brings federal lead-safe requirements into play, and the flooring underneath — sheet vinyl, the adhesive below it, sometimes the backing board — can contain asbestos. Where the age of the house calls for it, testing comes before anything is opened up rather than after.

That is not a delay tactic. Both are regulated for good reason, and finding them mid-demolition is the expensive version of the same conversation.

Mold behind a shower wall is a related but separate problem. Remediation is licensed work and we bring in a specialist for it rather than handling it ourselves — we will tell you what we have found and who is doing what.

Working in the only bathroom

If it is the only full bathroom in the house, the work is sequenced so the room is out of use for as short a stretch as possible, and you are told in advance which days the water will be off.

How we price this work

You get a written scope of the work. Where it is well defined we quote a fixed price. Where it genuinely is not — an old structure, an unknown behind a wall — we work cost-plus, and we tell you which model we are using and why before you sign anything. Any change to the scope or the price is written up as a change order and agreed before the work happens.

A bathroom is priced by what happens under the tile more than by the tile itself: the waterproofing, the ventilation, and whether the floor is opened up to move a drain.

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Questions we get asked on site visits

Why does waterproofing cost so much when it is invisible?: Because it is the layer keeping water in the shower. Tile and grout are both porous; the membrane behind them is the barrier. It is also the one part nobody can inspect after the fact, which is why it is worth asking each quote to specify it.
Is a heated floor worth it?: In a Minnesota bathroom, more than almost anywhere else in the house. An electric mat on its own thermostat is straightforward during a remodel and cannot be added afterwards without lifting the tile.
Where should the bathroom fan vent?: Through the roof or a wall, not into the attic. Venting into an attic in this climate puts warm, wet air against a cold roof deck all winter; it condenses, frosts, and drips back through the ceiling in spring.
What turns a room into a legal bedroom?: An emergency escape opening, which code requires, and usually a closet, which appraisers and buyers expect. Without egress the room is not a legal bedroom, an appraiser will not count it as one, and a buyer’s inspector will flag it.