how much to repair subfloor

Full Answer

How much should it cost to replace a subfloor?

The cost of your subfloor 1 replacement largely depends on the square footage of the area. On average, you can expect to pay between $3 to $12 per sq.ft. to replace the subfloor in your home. The price you pay depends on where the subfloor is located, the materials used, and whether or not the installer installs the floor around walls.

How much does it cost to replace or repair subflooring?

When this happens, it is recommended to fix them as soon as possible. The national average cost of subfloor repairs is between $250 and $750, with most homeowners paying around $500 to fix a 150 sq.ft. water-damaged section of subflooring. This project’s low price is $150 for patching a small hole.

What does subfloor repair cost in San Antonio TX?

The cost to Repair a Subfloor starts at $52.79 - $76.53 per square foot, but can vary significantly with site conditions and options. Get fair costs for your SPECIFIC project requirements. See typical tasks and time to repair a subfloor, along with per unit costs and material requirements. See professionally prepared estimates for subfloor repair work.

How to remove and replace a rotten subfloor?

Remove the Subfloor From Under the Wall If your subfloor is heavily rotted, you may be able to pull back on the remaining section of the subfloor and remove it by hand. If not, attach a 3/4-inch auger bit to the drill and drill to a depth of 3 1/2 inches underneath the wall bottom plate on both sides of the rotted area.

Can you replace part of a subfloor?

If the water damage has been occurring for a while and there are signs of flaking wood or mold, the only option may be to replace the affected section of subflooring. Start by removing the finished floor (hardwood flooring may be reusable once it dries, so be careful in the removal process) and exposing the subfloor.

How much does it cost to repair a rotted floor?

You might pay as little as $2,000, while the largest and most complex jobs cost up to $30,000. Expect to pay anywhere from $100 to $2,000 per joist depending on the extent of the damage and its accessibility to your contractor. In most homes, the carpet, hardwood, or tile is only a surface layer resting on a subfloor.

How much does it cost to put subfloor down?

The national average materials cost to install a subfloor is $3.05 per square foot, with a range between $2.85 to $3.25. The total price for labor and materials per square foot is $12.20, coming in between $8.27 to $16.12. A typical 300 square foot project costs $3,659.05, with a range of $2,481.75 to $4,836.34.

How much does it cost to remove plywood subfloor?

Cost to Redo SubfloorPrice to Replace SubfloorNational average cost$1,500Average range$600-$2,400Minimum cost$150Maximum cost$36,000Jul 21, 2021

How long does it take to replace subfloor?

Replacing a small portion of the subfloor can be done in a day or two, but replacing an entire floor can take up to 24 hours. The finished floor needs to be removed first in order to replace the subfloor. It will be removed if there is an underlayment.

Do I need to replace my subfloor?

“Adequately protected from moisture, most subfloor materials can be expected to last for the lifespan of the home.” However, if the subfloor is consistently exposed to moisture, you may need to replace it after 20 to 30 years or sooner.

How do you repair a subfloor?

2:397:43How to Remove and Replace a Rotten Subfloor - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere's two ways that we can repair this floor. We could patch the existing hole with plywood.MoreThere's two ways that we can repair this floor. We could patch the existing hole with plywood.

How much does it cost to replace subfloor per square foot?

between $1.50 and $7 per square footCost to Replace Subflooring Replacing subfloors will cost between $1.50 and $7 per square foot for materials. Labor costs will be around $27.50 per hour. The project requires the removal of the finished flooring and damaged area and the installation of a new material.

How do you fix water damaged subfloor?

How to Fix a Water-Damaged Subfloor: Your 8-Step DIY GuideStart by Stopping the Water. ... Expose the Subflooring. ... Make Your Mark. ... Carefully Cut Subflooring. ... Remove Damaged Materials. ... Speed Up the Drying Process. ... Reinforce Floor Joists. ... Install Your New Subflooring.

How much should I charge to replace subfloor in bathroom?

It costs approximately $3 to $10 per square foot to replace a subfloor, depending on the material you choose. Consider choosing a moisture-proof subfloor for bathrooms or basements.

How do you replace a small section of a subfloor?

3:0915:14How to replace a section of a subfloor. (Replacing a rotten floor)YouTubeStart of suggested clipEnd of suggested clipAll right so to get started I'm gonna measure from the wall. From where I'm gonna be changing outMoreAll right so to get started I'm gonna measure from the wall. From where I'm gonna be changing out the subfloor which is about right here. I'm gonna make a measurement right here mark.

How much does it cost to level floors in a house?

Average Cost to Level the Floor in a House On average, you are looking at about $3 – $5 per square foot. So, for a 100 square foot slab, it would generally cost between $300 and $500.

How do you fix water damaged floors?

It's not just water that causes mold and mildew; it's the combination of water and dirt.Remove Surface Water. ... Scrub the Floor. ... Treat Moldy Areas. ... Dry the Floor. ... Sand Water-Damaged Wood Flooring. ... Deal With Mold on Wood Under Paint. ... Replace Laminate.

How do you replace rotten floor joists?

5:2910:15DIY: How To FIX A ROTTEN FLOOR - Repairing Damaged Floor JoistsYouTubeStart of suggested clipEnd of suggested clipIn this case some of these are rotted out whenever I infill this door I'll put some new wood in I'llMoreIn this case some of these are rotted out whenever I infill this door I'll put some new wood in I'll tie the the good part of the stud into the new stud.

How do you fix a sagging floor in an old house?

There are multiple ways to fix a floor that sags and dips.Pour Self-Leveling Underlayment. Pour self-leveling underlayment in the problem area. ... Sister the Joists. ... Prop Up the Joists. ... Lay Down New Hardwood.

How much does it cost to subfloor?

The labor costs for a professional to work on subflooring are usually between $25 and $30 per hour, but it will vary based on your location and if the job is particularly complex. Cost for materials will depend on what type of material you select. Plywood is the most common material.

How much does it cost to replace a plywood subfloor?

The average cost to replace or repair a plywood subfloor in a 306-square-foot room costs $550, or between $500 and $600. The average cost to install a new plywood subfloor is $620, or between $570 and $720.

What is the best subfloor for a basement?

The best basement subfloor option includes a built-in moisture barrier. Brands like DRIcore or Amdry include this. If you're looking for the most inexpensive option for subflooring, plywood is the best option.

What is the average cost of plywood subfloor?

For an average-size kitchen at 306 square feet, plywood subfloor materials would cost $460; using a specialty brand material like Amdry would cost $920.

How to calculate the amount of subflooring needed?

Calculate the amount of subflooring you'll need by determining the amount of square footage to be covered. To do this, multiply the length by width to get the total square footage. To determine the cost, multiply the total square footage by the material cost per square foot.

Why do you need a base for a floor?

Homes with floor joists need a base to provide a surface on which to lay carpet, ceramic tile, hardwood, laminate and/or vinyl. Moisture and pest infestation can damage subfloor. It can also become sloped over time. Since it's vital to the stability of your home's floors, you should contact a pro for replacements, repairs or installations.

How much does plywood cost?

Plywood costs around $40 to $50 per 4 by 8 foot panel. That equates to around $1.50 per square foot for a 5/8 inch panel. For a 306-square-foot room, that's a total of $459. If you choose a thicker grade of plywood, the cost will increase.

How much does it cost to replace a subfloor?

The cost of your subfloor 1 replacement largely depends on the square footage of the area. On average, you can expect to pay between $3 to $12 per sq.ft. to replace the subfloor in your home. The price you pay depends on where the subfloor is located, the materials used, and whether or not the installer installs the floor around walls. Below you will see some of the common subfloor sizes that may need to be replaced and their average replacement cost. It is possible to replace smaller subfloor sections, though that is often done for a flat rate.

What factors affect the cost of replacing a subfloor?

For example, certain rooms require more prep work, such as removing furniture. Other rooms are more likely to suffer water damage, leading to additional labor costs when preparing the area.

What is the difference between subfloor and underlayment?

Subfloor and underlayment are terms that can be confusing because they are both designed to be underneath the flooring in your home. The subfloor is part of the structure of your floor and is designed to create a flat, stable surface on the flooring rests. Underlayment lies between the floor and the subfloor and is designed to compensate for any roughness or imperfections that are present in the subfloor beneath. They can provide a little bit of cushion and absorb sound.

What is the subfloor material?

Traditional subfloor materials include wood planks, plywood, oriented strand board (OSB) more commonly known as particle board, and concrete slab 6. Concrete slabs differ from wood subfloors in that they don’t require joists to hold them up as they are one continuous concrete slab.

How much does Delta FL subfloor cost?

Delta-Fl subfloor is an inexpensive option that runs between $3.50 and $8 per sq.ft. Unlike other subfloor options, the Delta-FL is a flexible plastic gray membrane that provides a moisture barrier and is mold-resistant. It is ideal for concrete slab floors and basement floors, especially when there is a risk of water buildup. The product works by helping to dry out the floor below so that the moisture will not affect the floor above.

Why is subflooring important?

Subfloors are an important part of your flooring since they help to keep your floor even, provide added stability, improve your energy efficiency, and reduce the noise in your home. Over time subfloors can become damaged either from age, water, or other significant floor damage.

What is the R value of a subfloor?

R-values indicate the energy efficiency of each subfloor option with higher numbers meaning greater insulation properties and higher overall energy efficiency. As you can see from the table below, while most options run around the same R-value, a few boast a much more significant energy efficiency.

How much does it cost to replace subflooring?

What Does It Cost to Replace a Subfloor? You’ll pay $34-$60 per square foot to replace subflooring. For a 12-by-12-foot room, this can cost $5,000-$8,700. An entire 2,600-square-foot home can run between $85,800-$159,600.

How Much Does It Cost to Replace Subflooring per Square Foot?

Subfloor replacement typically costs about $1 to $7 per square foot. This range can vary based on labor costs, which will add $25 to $30 per hour, and the type of subflooring you choose. Below we’ve broken out examples of relatively affordable, middle-range, and higher cost options to give you a better idea on how much subflooring costs can vary.

How Much Does Subfloor Replacement Cost by Type?

There are many different types of subfloors to consider depending on your needs. A bathroom renovation will require subfloors that are resistant to moisture, like Amdry or DRIcore panels. Your living room or bedrooms might benefit from a soundproof option, like Barricade panels, for better naps and sleeping at night, or you can keep it simple with plywood.

What is subfloor replacement?

Replacement is done to bring subfloor up to code. The cost of replacing is based on: The size of rooms or the house where the subfloor work will be done. How much flooring needs to be removed such as layers of old linoleum, wood or other materials, cabinets, appliances or toilets.

How much does plywood cost per square foot?

Subflooring a room with the most affordable material, plywood, will cost about $1.50 per square foot.

Can subfloor be attached to concrete?

It depends. A primary concern with attaching your subfloor directly to the concrete slab is the development of moisture under the board. Temperature fluctuations could warp the subflooring and reduce the life of your work.

Will subflooring increase in 2021?

In 2021, many homeowners will also have to factor in additional material costs. The COVID-19 pandemic reduced wood supplies, which means the cost of wood, and in turn, subflooring will likely have increased, at least for the short term.

Cost to Replace Subfloor by Material

First off, let’s discuss concrete as a potential material option for your subflooring. It’s one of the most expensive materials you can use for this particular application. You will have to pay around $6 per square foot if you want to use concrete.

Labor Cost to Replace Subfloor

The workers may need to remove your existing subfloor completely before they can install the replacement. That means paying for the removal service as well. You can expect to pay around $28 per hour if you need your current subfloor removed.

Related Questions

Labor costs for subfloor repair often end up around $28 per hour. It’s common for homeowners to spend around $400 on subfloor repairs especially if the problem is related to water damage or pests.

How much does subfloor repair cost?

On average, be prepared to pay around $10 to $35 per square foot if you were to hire a professional contractor. This is a price for just removing the subflooring and will not include replacing the flooring that was removed such as the tile, wood, or carpet. The costs will depend on the geographical area, the complexity of the job, the flooring condition, the contractor and if the flooring has to be replaced after. Most of your smaller jobs, such as rotted floor joists, buckling floors or a sagging floor, can cost about $400 to $1,000 on average.

How much does it cost to replace a sagging floor?

Most of your smaller jobs, such as rotted floor joists, buckling floors or a sagging floor, can cost about $400 to $1,000 on average.

What should be included in a subflooring estimate?

The estimates should include the subflooring materials, all labor and cleanup.

Why does a bathroom subfloor rot?

The subfloor — the additional layer beneath the floor and is installed across the floor joists — at some point may begin to rot if exposed to water or may need to be replaced due to cat or dog urine. This scenario is most often seen inside of a bathroom, but it can happen anywhere throughout the home.

Why is my subfloor damaged?

A damaged subfloor can sometimes be due to a leaky toilet and/or shower/tub. If this were the case, then you will need to budget to either replace these items or for parts to stop them from leaking in the future.

How much does it cost to tear out a house?

For a simple, straightforward tear out, be prepared to spend about $10 per square foot ; however, if the contractor needs to access beneath the walls to alter the structural support, the costs can get much closer to the $35 per square foot range.

Does insurance cover water damage?

Depending on the type of policy you have, the repairs may be covered and you will only be responsible for your deductible.

How Much Does It Cost to Replace a Subfloor?

According to Angi, replacing a subfloor will cost approximately $500 for a space measuring 300 square feet. The cost could rise to $700 if you replace the subfloor in a larger room. Other vital aspects that can increase the cost include the material of choice and labor cost.

What Exactly is a Subfloor in a House?

A subfloor is a surface laid below the visible floor area. It is usually fir, oriented strand board (OSB) or plywood, among other materials. It provides a platform for laying the outer flooring material visible from above, such as tile, hardwood, or laminate.

Is it Hard to Install Subfloor?

It is not difficult to install a subfloor if you have all the necessary tools. Anyone with basic carpentry skills will, therefore, quickly solve the issue. It may seem quite an ordeal at first, but everything should be seamless if you follow the necessary steps.

Can You Replace the Subfloor Yourself?

If you have expertise in carpentry, you should have no problem replacing the subfloor. However, it would be best to engage a professional because fixing the issue is not simply a one-off thing.

What to do if water damage to subflooring?

If the water damage has been occurring for a while and there are signs of flaking wood or mold, the only option may be to replace the affected section of subflooring.

What is subflooring made of?

Depending on when a home was built, a subfloor could be made from softwood boards like pine or fir, plywood, or OSB (oriented strand board). OSB is a composite of glue and strips of scrap wood, in sheets 4 feet wide and 8 or 12 feet long. OSB is fast to install and less expensive than real wood or plywood, making it the go-to material for modern subfloors.

Why is my hardwood floor cupped?

There aren’t many things in a home more beautiful than a well-maintained, well-polished hardwood floor. Even a small area of cupped floorboards can take away from the pristine appearance. Cupping occurs when hardwood floorboards begin to curl along the length of the board, somewhat like a taco shell but less pronounced. It’s most often caused by moisture. The moisture issue probably isn’t being caused by the subfloor but if the hardwood flooring above is cupping, it’s a safe bet that the subfloor is suffering as well.

Why does my subfloor sink?

Issues with a subfloor become far more apparent when walking through a living room feels more like a stroll through rolling hills. If a floor begins to sink between floor joists, it’s a sure sign that there is an issue. This is commonly caused by moisture issues deteriorating the wood, but it can also be caused by improper installation. When subfloors are installed, any end-to-end joints between boards or sheets are supposed to meet on top of a floor joist. Should that joint be off by only an inch, over time foot traffic will cause the end of the sheet to sink.

How long does OSB subfloor last?

Under normal conditions, a subfloor can last as long as the house itself. However, should a subfloor be damaged or defective, it may only last 20 to 30 years.

Why does my floor squeak?

If your floor is starting to sound like the Tin Man without his oil can, however, it might require some attention. Squeaking occurs when the wood in your subfloor rubs against a nail.

How to make your floor dry before mold?

Create air movement with box fans ( available on Amazon ), both on top of the finished flooring and the floor below. This will help to promote drying before anything can start to mold.