Manufactured homes are common across the Willamette Valley, in communities and on rural acreage alike. A lot of them still have the carpet and sheet vinyl they left the factory with, and their owners reasonably ask whether a new floor goes in the same way it would in a site-built house.
Mostly it does. The materials are the same and the installation is the same. What is different is the house underneath, and that is where a manufactured home job is won or lost. This is what we look at, and what it means for the floor you choose.
What is different about the floor
A manufactured home is built in a factory to the federal HUD Code, which has applied to every one built since June 15, 1976, and then trucked to the site in one or more sections. That shapes the floor in a few ways.
- The subfloor is often particleboard. Many manufactured homes, particularly older ones, were decked with particleboard rather than plywood. It is flat and perfectly serviceable while it stays dry. Once it gets wet, it swells, softens and crumbles, and it does not recover. Newer homes more often use OSB, which handles water better but still swells at the edges.
- The old floor may run under the walls. In many manufactured homes the carpet and vinyl went down before the interior walls were set on top of them. You cannot pull it out from under a wall, so the old floor is cut along the wall line and the new floor is fitted to it.
- The marriage line. In a double-wide or triple-wide, the sections meet down the middle of the house. That seam can leave a slight ridge, a dip or a gap in the floor, and it shows up as a line you can feel underfoot in the living room or hallway.
- The ducts are in the floor. Most manufactured homes heat and cool through floor registers fed by a duct in the belly of the house. Every register is a cut-out the new floor has to be fitted around.
- The house sits on piers. If the piers have settled, the floor is out of level, and no flooring fixes that.
None of this is a reason not to do the floor. It is a reason to have someone look at it properly before you choose.
Check the subfloor first
The places a manufactured home floor fails are predictable: in front of the toilet, along the tub, under the kitchen sink, by the water heater closet, at the washer, and inside every exterior door. Those are the places water has had decades to find.
At an estimate we walk the floor and press on it. Particleboard that has taken on water feels spongy, and sometimes you can see the swelling through the carpet as a raised hump at a seam. Where we find it, the damaged decking has to be cut out and replaced back to sound material before anything goes over it. On a manufactured home, plywood is the usual replacement, because it holds up to the next leak far better than what came out.
This is the most common reason a manufactured home floor costs more than the square footage suggests, and it is better found at the estimate than on install day. What we find under your old floor goes through the subfloor problems in more detail.
One more thing worth knowing. If the home dates from before about 1980, the original sheet vinyl and its adhesive may contain asbestos and should be tested before it is disturbed. Carpet is not the concern. The vinyl in the kitchen and bathroom can be.
The marriage line
The seam between sections is the detail that separates a good manufactured home install from a poor one.
Carpet is forgiving of it. A slight ridge disappears under pad and carpet, which is one reason so many manufactured homes were carpeted wall to wall at the factory.
A hard floor is not. A floating plank floor laid across a ridge rocks on it, and the joints along that line work loose. Before a hard floor goes down, the marriage line has to be flattened: high spots taken down, low spots filled, and any gap between the sections closed and fastened. If the two halves have moved apart or dropped relative to each other, that may be a job for a manufactured home leveling contractor before it is a job for us. We will tell you which it is.
Which floors work best
Luxury vinyl plank. For most manufactured homes this is the floor we would put in the main living areas, kitchen and bathrooms. It is light, it is water resistant, it floats over the subfloor rather than being fastened to it, and it does not care if a bathroom gets splashed. A rigid core plank bridges small imperfections better than a flexible one, but it still needs a flat floor. Most manufacturers call for something like 3/16 of an inch over ten feet, and it is worth checking the specific product. Our luxury vinyl plank page covers the options.
Carpet. Still the right answer in bedrooms for a lot of people. It is warm, it is quiet, and it is kind to a floor that is not perfectly flat. The usual advice applies: a dense carpet on a good pad outlasts a plush one on a cheap pad. Choosing carpet that lasts explains why.
Laminate. Works in dry rooms, and it is a good value floor. Keep it out of the bathroom, laundry and the area around the kitchen sink, because its fiberboard core swells if water gets into the joints, and manufactured home plumbing is not always generous with warning. Laminate vs luxury vinyl plank explains the difference.
Tile. Possible, but the one to be careful with. Tile needs a stiff floor, and many manufactured home floors flex more than tile will tolerate. A floor that bounces under a footstep will crack grout and, eventually, tile. Tile also adds real weight. If you want tile in a bathroom, the floor needs to be stiffened with the right underlayment first, and we would want to see it before recommending it. In most manufactured homes, a waterproof plank gives you the look and the water resistance with none of that risk.
Heights, doors and registers
A few practical details that are easy to overlook.
- Doors. Interior doors in manufactured homes are often hung with only a small gap underneath. A thicker floor, or carpet on a thick pad, can stop them closing. Some will need trimming.
- Transitions. Where plank meets carpet at a bedroom door, the heights need to be close, or the transition becomes a trip edge. Choosing the carpet pad with the plank in mind helps.
- Registers. Floor registers lift out, and the new floor is cut to the opening. If the boots underneath are loose or rusted, now is the time to say so.
- The front door threshold. The new floor has to finish cleanly against it, which sometimes means a new threshold.
In a park
If the home is in a manufactured home community, check whether the park has rules about contractors working on site, parking for a work vehicle, or dumpsters. Removal and disposal of the old floor is part of our quote, so you are not left with a pile of old carpet to deal with, but it helps to know where the truck can go.
Book an estimate
Norman's has been laying floors from Newberg since 1978, across the valley and the southwest Portland metro. We will come out, walk the floor, check the subfloor and the marriage line, and bring samples to the house so you can see them in your own light. Every install carries a ten year labor warranty, and financing is available through Wisetack. Call (503) 538-8242, or book a free estimate online.
Related services: luxury vinyl plank flooring, carpet installation, laminate flooring and floor removal.
