QA

Question: How To Replace A Subfloor In A Mobile Home

How much does it cost to replace subfloor in a mobile home?

Repair of the subfloor costs between $500–$700 on average, while replacing the subfloor will cost between $1,800–$3,000. Repair of the underlying joists will cost on average $1,000–$10,000 each, while replacement will cost anywhere from $5,000–$20,000.

What kind of subfloor is in a mobile home?

Mobile homes and manufactured homes, for many years, constructed subflooring consisting of a glue and sawdust combination referred to as particleboard. Unfortunately, when it gets wet, it acts like a sponge. Soft spots, rot, warping, and bowing can be caused by even a small amount of dampness.

Can I replace a subfloor myself?

If your subfloor is in need of replacement, the damaged portion will need to be completely cut out. This also requires the removal of all floor covering over the problem area as well as the accompanying underlayment materials. The process for this portion of the job will vary based on the type of flooring you have.

What kind of sub flooring is in a mobile home?

What is the Subfloor in a Mobile Home? For many years, mobile homes have been constructed with sub-flooring made of particle board which is made from sawdust and glue that essentially acts like a sponge when it gets wet. Even the least amount of dampness causes bowing, warping, rot, and soft spots.

Can I put new subfloor over old subfloor?

One of the benefits of removing the old flooring is it allows you the chance to fix any loose subflooring or squeaks by re-securing the main subfloor to the floor joists prior to installing the new flooring. With all that being said though the answer is YES you can install New Wood Flooring over the old.

What kind of plywood do you use for a mobile home floor?

The most recommended subfloor material is 5/8″ plywood. If you can afford water resistant marine plywood for your kitchen, laundry, and bath that would be a good idea.

Can I put new subfloor over old subfloor in mobile home?

This is not always the case in a mobile home, however, where subfloors may be made of lesser-quality particleboard. Mobile home subfloor thickness may be of some concern, and installing plywood over this subfloor can give you a stronger base for your hardwood, laminate or carpeting.

What can I use as a subfloor?

Plywood is considered the most popular material used for subflooring, it has been used since the 1950s and remains one of the top choices for contractors. Standard plywood works perfectly fine as a subflooring material, but the best option is ¾” tongue-and-groove plywood subflooring.

Which is better OSB or plywood?

Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications.

What is underneath a subfloor?

Underlayment The underlayment material is installed below the floor covering and placed on top of a sub-floor. Under the visible covering, there is a layer made of soft or foam-like materials with a thickness of between 1/4- or 1/2-inch.7 days ago.

Is it hard to replace a subfloor?

It’s significantly more difficult than the original install. However, with the right tools and personnel it’s about midway on the carpentry skills. If the subfloor has been glued to the joists then that increases the difficulty level tremendously.

What causes soft floors in mobile homes?

Sagging mobile home floors: are usually a result of water damage in mobile homes with particle board flooring that doesn’t hold up well when it gets wet. Moisture Barriers Stop moisture from developing directly on the mobile home floor boards and will not allow the floors to rot.

Do you nail or screw subfloor?

Ideally, nail down your subfloor using corrosion-resistant nails that will securely hold it in place and last a long time. Screws are a great alternative that you can easily remove, but they are not as sturdy. Screws are superior in terms of reducing floor squeaks, but the installation is slower.

What size plywood is best for subfloor?

The minimum thickness of plywood for subflooring is about 5/8 inch. Since it does not hold fasteners as well as plywood, OSB must be a little thicker, or at least 23/32 inch. There are several factors that determine what subfloor thickness is optimal for added benefits like insulation.

How many layers of plywood do you need for a subfloor?

Just 1 layer of 3/4 “ or 5/8” will do for most applications. If your finished floor is going to be heavy ceramic tiles, natural stone, and alike it may need to be thicker and or have more supports. Codes vary. In the US, ¾” is common, but that’s still one layer.

Do I need 2 layers of subfloor?

That’s the usual approach. Almost no one puts down double-thick subfloor in residential applications (for cost and handling reasons), and both layers need to be fastened to joists. Only thin underlayment can be fastened just to the subfloor.

Which way do you lay plywood subfloor?

Install plywood underlayment smooth side up. To avoid damage to the surface, install underlayment immediately before laying the finish flooring.