I would not use osb for any of this.
Repair bathroom floor in mobile home.
It s just lots easier because you have more room to work and don t have to deal with the plumbing cutouts.
If you want the materials to be uniform you need to ask your chosen repair team what materials they are using.
It takes just as much work to install cheap materials.
Bathroom floors are the most common floor problem in mobile homes.
Depending on the flooring type that you have in your mobile home the repair team will need to use the appropriate materials to match the ones on other parts of your trailer.
Remove the trim and floor covering.
Newer mobile homes will have it a little better than older ones.
Vinyl will usually need to be cut around the perimeter of the room and tile will need to be ripped up.
Or the water or insects responsible for the damage could spread to the floor joists or wall studs and the cost to replace the floor joists and subfloor will be much higher than simply replacing a section of the subfloor.
The first step to replacing rotted flooring in a mobile home is to remove the trim and floor covering.
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Subfloor repair is necessary any time the subfloor is weakened.
Both of these materials used for flooring are much better in regards to water resistance.
Nancy i have a older mobile home with soft spots through out.
The average cost to replace or repair a plywood subfloor in a 306 square foot room costs 555 or between 490 and 600.
Newer mobile homes will either use a better particle board or oriented strand board osb.
I wrote how to install laminate flooring to show exactly how it can be done and how it looks in a mobile home.
How to repair your mobile home floor in a single wide trailer.
If it s carpet you will need to remove the strips.
However even homes with these newer flooring materials the floors can still bow soften and warp.
For most floors in a mobile home i think wood laminate flooring makes a lot of sense.
The cost to replace repair or install subfloors includes two components.
In the bathroom i would suggest covering all the old with new plywood.
I would not have much trust in a bathroom floor repair done with particle board.
It looks good is reasonably easy to install and is easy to clean.
The savings in materials cost is to small.
However the same process works just as well for floors in any room of the mobile home.