Burnsville Wood Flooring has been installing, sanding and refinishing wood flooring in Eden Prairie for more than twenty years, and a large share of that work sits in buildings where the homeowner is not the only party with an interest in the floor. Attached townhomes, twin homes and rowhomes account for 22.1 percent of the housing units in the city, and 24.8 percent of owner-occupied households live in one. That does not change the wood. It changes the order the work happens in.
Our first visit is a measuring visit rather than a sales call. We read the indoor relative humidity with a hygrometer and write the number down, because wood flooring is specified for a band that most heated Minnesota houses fall out of in January. Where a board or a management company has to sign off on an upstairs job, we make sure the approval is in hand before day one rather than halfway through it.
What follows is the practical version of that: how a community built around shared ownership changes an installation, what to read before you commit to an assembly, and how the detached side of Eden Prairie behaves differently.
An association designed in from the start
Most homeowner associations in the metro were bolted onto a subdivision after the lots sold. The Preserve went the other way. It was incorporated as an association in May 1972, and the community it governs was laid out by Carter and Gertz Development Company together with the Minneapolis Gas Company, known then as Minnegasco, as one integrated development rather than a collection of separate plats. The rules and the shared ground existed before most of the houses did.
The scale was ambitious even by the standards of the era. The Preserve was launched around 1970 as a roughly $200 million New Town planned for as many as 4,400 homes and another 15,000 residents, split roughly one-third single-family homes, one-third apartments and one-third townhomes and condominiums. The late-1970s recession and early-1980s interest rates cut that back to nearly 1,700 homes.
Today the association holds 1,693 residential units and maintains 187 acres of common property, including Neill Lake and about five miles of pathways. Scale matters to a flooring job in one practical way: a development that size is far more likely to have a written hard-surface standard than to weigh each request on its own, so the requirement is usually something an owner can obtain in writing before any underlayment is ordered rather than something discovered afterward.
What shared ground changes about a floor job
Common property is not an abstraction on the day a crew arrives. Parking, the route in, elevator or stair access, where a dumpster can sit and when a sander can run are all things somebody else may control. We ask about them at the estimate, not on the morning of the install, because a truck that cannot get within a hundred feet of the door changes the labor and the schedule.
Timing is the other half. We sequence work around the heating season rather than in spite of it, and in a shared building that also means putting the loud stages where they collide with the fewest neighbors. A sand-and-finish schedule that respects both is longer on paper and shorter in practice.
One point of contact, from estimate to final coat
We send the same crew from the first measurement through the last coat of finish. In a community where access and quiet hours are managed by somebody other than the homeowner, that matters more than it does on a detached lot; the people who agreed to the conditions are the people working under them. A written grit sequence and finish schedule goes out with the quote, so what was agreed to can be checked against a document rather than a memory.
Looking for wood-flooring closer to Uptown? See Uptown Wood-Flooring.
One association, several building types, one set of rules
The Preserve was built as an integrated mix of single-family homes, twin homes, townhomes, condominiums and apartments, and that mix is the interesting part for a flooring crew. A single-family house, a twin home and a stacked condominium share a governing body but not a floor assembly. One sits over a basement or crawl space, one shares a party wall with a neighbor, and one has somebody’s ceiling underneath it. The same wood behaves differently in each.
Where the sound rules actually reach
Minnesota retains IRC Appendix K and administers it in any municipality that has adopted the Minnesota State Building Code, which includes the City of Eden Prairie. Appendix K sets a sound transmission class of 45 for wall and floor-ceiling assemblies and an impact insulation class of not less than 45 for floor-ceiling assemblies. Minnesota Rules 1309.0302 subpart 2a scopes that to townhouses built under Section R302.2, and subpart 3 to two-family dwellings.
It is not established for a multifamily condominium built under the International Building Code, which is where a lot of confusion starts. We say what the rule covers and what it does not, and we treat anything beyond that as a question for your association rather than a number we invented. Impact insulation class is measured by ASTM E492 and sound transmission class by ASTM E90; both describe an assembly, not a product.
Choosing the assembly to match the building
Over a wood-framed floor with a unit below, an underlayment and a floating or glue-down assembly usually behave better than a bare nail-down over a plywood subfloor. Over a basement or crawl space, nail-down with cleats or staples on a proper fastener spacing schedule is often the straightforward answer. On a slab, we run an ASTM F2170 in-situ relative humidity test before choosing between glue-down and a floating floor, and a vapor retarder is part of the conversation rather than an upsell. Expansion gap at every perimeter, in every one of these.
Where a unit runs hydronic radiant floor heat, the assembly narrows further. We hold the surface to the eighty degrees Fahrenheit limit the NWFA installation guidelines set, favor a quartersawn or rift-sawn cut and a narrower board, and put the moisture meter on the subfloor with the system running rather than cold. A wide plank of flatsawn hard maple over radiant heat is the combination that generates the most complaints.
Reading the declaration before you choose a floor
Every association is governed by its own declaration, and no two are identical. We do not know what yours says, and neither does anybody who has not read it. What we do know is that the document, not a general rule about condominiums, is what decides whether an upstairs installation needs a submittal, whether an underlayment specification is written down somewhere, and who has to see it.
Common interest communities in Minnesota operate under the Minnesota Common Interest Ownership Act, Minnesota Statutes chapter 515B. One provision worth knowing before you spend money: under section 515B.3-113(b) an association’s property insurance need not cover finished flooring within units, and finishing materials applied to the interior surfaces of unit boundaries are part of the unit. In plain terms, the floor is usually yours to insure and yours to replace.
It also means the choice of finish is yours to make and yours to live with. Waterborne polyurethane, oil-modified polyurethane and hardwax oil differ in odor, cure time and how a repair blends later, and cure time is not the same thing as dry time: a floor you can walk on Friday is not a floor you should put a rug on Friday.
What we ask for before an upstairs job
Before we schedule an installation over another unit, we want to know who approves the work, what form the request takes, and how long the turnaround runs. Sorting that out in advance is the difference between a three-day job and a three-day job with a two-week hole in the middle of it. We do not speak for any board and we do not submit on your behalf, but we will supply the assembly detail, the product data and the schedule a request usually needs.
When water gets involved
Water travels between units in ways that make the paperwork matter more than the carpentry. When we are called to a wet floor, we photograph and document the damage for the claim before anything is torn out, because once the boards are in a dumpster the evidence is gone. Cupping that is caught early sometimes dries back; buckling generally does not, and a board replacement, weave-in or dutchman patch is decided after the moisture readings settle, not during the first week.
The 1980s detached cohort alongside it
Eden Prairie holds 26,557 housing units, and the 1980s is the largest single build decade at 33.7 percent; roughly a third of the city went up in ten years. Meanwhile 70.2 percent of owner-occupied households are in one-unit detached structures and 21.3 percent of all units were built in 2000 or later. Those are three different flooring populations wearing the same city name.
What a forty-year-old detached house does in January
A 1980s house on forced-air heat with no whole-house humidifier will run dry indoors from December through March. Wood responds by giving up moisture and shrinking across the width of each board, which shows up as seasonal gapping and sometimes as dry cupping. We measure it, write it down and explain it before anyone calls it a defect, because a good share of it closes again by June.
That is also why we check the moisture content of the flooring against the moisture content of the subfloor before a single board goes down rather than after. A moisture content differential that is out of range at installation does not correct itself; it becomes a gap, a cup or a crown a season later. Acclimation is not a fixed number of days, it is a target: get both materials near the equilibrium moisture content the house actually holds, which for most of these homes means aiming at a thirty to fifty percent relative humidity band.
Refinishing what is already there
A house from the largest build decade is often on its second or third floor covering, and not all of it is solid. Before we quote a refinish on engineered flooring we measure the wear layer, because past a certain thinness there is nothing left to sand and a drum sander will find the core. Where the finish is worn but the wood is not, a screen-and-recoat with an abrasive screen and a fresh coat of waterborne polyurethane costs a fraction of a full 36-50-80 sand and refinish, and we quote it honestly against the bigger job, including the times the cheaper one is the right answer.
Interior finish work of this kind is exempt from building permit under Minnesota Rules 1300.0120, subpart 4, item A, sub-item (8), though the exemption does not authorize work that violates the code or any other ordinance. About 24.0 percent of the city’s housing stock predates 1980, which puts some of it in the pre-1978 window the federal Renovation, Repair and Painting Rule addresses, and Minnesota is not an EPA-authorized RRP state, so that federal program applies directly rather than through a state equivalent. Dust containment goes up on every sanding job, and we will tell you plainly what it catches and what it does not.
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