Top 7 How Long Does It Take To Replace Subfloor Trust The Answer

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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.On average it takes 1-3 days to install hardwood floor. Typically, a 2-person crew of installers can lay 750 to 1,000 square feet of flooring per day with the average size of a job being 1,000 to 1,500 square feet.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.

9 Common Signs of Subfloor Damage
  1. Your floors are uneven or sunken in parts. …
  2. Your floorboards squeak – loudly. …
  3. The room smells musty. …
  4. Your floors shift or bounce when you walk on them. …
  5. Your toilet is rocking or loose. …
  6. Your tile flooring has cracked. …
  7. Your hardwood floor is cupping. …
  8. Your linoleum floor is bubbling up.

How long does it take to install a new subfloor?

On average it takes 1-3 days to install hardwood floor. Typically, a 2-person crew of installers can lay 750 to 1,000 square feet of flooring per day with the average size of a job being 1,000 to 1,500 square feet.

How do you know if you should replace subfloor?

9 Common Signs of Subfloor Damage
  1. Your floors are uneven or sunken in parts. …
  2. Your floorboards squeak – loudly. …
  3. The room smells musty. …
  4. Your floors shift or bounce when you walk on them. …
  5. Your toilet is rocking or loose. …
  6. Your tile flooring has cracked. …
  7. Your hardwood floor is cupping. …
  8. Your linoleum floor is bubbling up.

Can you replace pieces of 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 long does it take to redo a floor?

As a general rule, the process of installing a new floor can take anywhere from one day to several days, depending on the size of the space. The type of flooring you’re using will also influence the length of time of your project. “Click-together floors typically take less time than nail-down floors.

How long does it take to remove flooring?

The overall timetable to replace hardwood flooring is around 10 days, depending on the size of your project. The majority of the work is ripping out the old floorings and checking the subflooring. It’s only at the end do your replacement floors go in. Be patient, it’s worth the wait for it to be done right.

How much does it cost to put in a new subfloor?

Cost to Repair Subfloor*
1 2
Subfloor repair, entire room $300 – $400
Subfloor replacement, small area $400 – $500
Subfloor replacement, entire room $570 – $720
*Prices based on a 500-square-foot room for entire room, 100-square-feet for small area
24 thg 3, 2022

How much does subfloor cost?

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 replace subfloor per square foot?

Cost 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.

Do old houses have subfloors?

Older homes may have solid hardwood flooring nailed directly onto the joists which means there is no subfloor. Hardwood flooring may be installed straight onto the subfloor with only a sheet of red rosin paper intervening as the barrier and no true underlayment.

Does subfloor go under walls?

A subfloor is the solid base underneath the floor covering that you depend on for the stability of both the floor and walls in a room. Though it’s not the main support system—that’s the work of beams, posts, and joists—it does its fair share of the work.

Should subfloor be nailed or screwed?

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.

Does plywood subfloor need to acclimate?

Always protect plywood underlayment from moisture or damage prior to installation. Before installing, allow underlayment panels to acclimatize by standing them on edge and separating them to permit air circulation for several days in the rooms where they will be installed.

How thick should a subfloor be?

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.

Should you glue down plywood subfloor?

The answer: Glue. Although using a subfloor adhesive (or subfloor glue) is not required by code, it is a standard practice that can help prevent floor squeaks by reducing the chance for movement at the panel-to-joist connection. A quality subfloor adhesive will also increase the overall stiffness of the floor.


How to Remove and Replace a Rotten Subfloor
How to Remove and Replace a Rotten Subfloor


How long does it take to replace a subfloor?

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  • Summary of article content: Articles about How long does it take to replace a subfloor? Updating …
  • Most searched keywords: Whether you are looking for How long does it take to replace a subfloor? Updating 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.
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How Much Does It Cost to Replace a Subfloor

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How to Remove and Replace a Rotten Subfloor - YouTube
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5 Times to Replace a Subfloor and How To Do It – Bob Vila

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  • Most searched keywords: Whether you are looking for 5 Times to Replace a Subfloor and How To Do It – Bob Vila Updating Under normal conditions, a subfloor can last as long as the house itself. But keep an eye out for damage in case you need to replace a subfloor sooner.
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Recognize these give-aways to a subfloor’s poor health

1 Those squeaks could be calling for your attention

2 Sinking sections are tell-tale signs of subfloor failure

3 Moisture could be causing your cupping floorboards

4 Cracked and popping tiles could be a material issue

5 Possible water damage is always a concern

How to Repair or Replace a Subfloor

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How much does floor install cost

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What is best material for subfloor

Are squeaky floors a structural problem

What is underneath a subfloor

Does plywood need expansion gap

Which way do you lay plywood subfloor

How much does it cost to replace 1000 sq ft of flooring

How much does Lowes charge to install floors

Can a handyman install flooring

Should subfloor have gaps

Can you put a new subfloor over old subfloor

How many floor layers should a house have

What is a sagging floor

How do I know if my subfloor is bad

How thick should house subfloor be

Is it OK to use treated plywood for subfloor

Do you need tongue and groove for subfloor

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5 Times to Replace a Subfloor and How To Do It – Bob Vila

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  • Table of Contents:

Recognize these give-aways to a subfloor’s poor health

1 Those squeaks could be calling for your attention

2 Sinking sections are tell-tale signs of subfloor failure

3 Moisture could be causing your cupping floorboards

4 Cracked and popping tiles could be a material issue

5 Possible water damage is always a concern

How to Repair or Replace a Subfloor

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What Is a Subfloor

Do I Need a Subfloor

9 Common Signs of Subfloor Damage

What are the most common causes of subfloor damage

What are some other areas that are prone to subfloor damage

How Long Does a Subfloor Last

How Much Does It Cost to Replace a Subfloor

When Repairing Damaged Subfloors Always Find the Source

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In this guide

Replace Subfloor Cost by Project Range

Subfloor Cost per Square Foot

Subfloor Replacement Cost by Material

Price to Replace Subfloor by Location

Labor Cost to Replace Subfloor

Cost to Replace Floor Joists and Subfloor

Cost to Replace Floor and Subfloor

Cost to Replace Subfloor in a Mobile Home

How to Tell if Your Subfloor Needs to Be Replaced

Comparison of Subfloor Types

Subfloor Installation vs Replacement Cost

Subfloor Repair Cost vs Replacement

Subfloor vs Underlayment

Enhancement and Improvement Costs

Additional Considerations and Costs

FAQs

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In This Article

Causes and Symptoms of Subfloor Damage

Professional Help With Subfloors

Investigating the Extent of Subfloor Damage

Removing a Subfloor

Replacing a Subfloor

Partial Subfloor Replacement

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Wall and Floor Basics

Removing the Subfloor Under Walls

Before You Begin

What You’ll Need

Instructions

How to Replace a Subfloor Under a Wall
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  • Table of Contents:

What Exactly is a Subfloor in a House

Signs That Your Home’s Subfloor is Damaged

What Causes Subfloor Damage

Can You Replace the Subfloor Yourself

How Much Does It Cost to Replace a Subfloor

How Long Does it Take to Replace Subfloor

Is it Hard to Install Subfloor

Do You Need a Permit to Replace Subfloor

Do Plumbers Replace Subfloor

Final Thoughts

Sources

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How Long Does It Take To Replace Hardwood Floors? - Focus Flooring Centre
How Long Does It Take To Replace Hardwood Floors? – Focus Flooring Centre

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How long does it take to replace a 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.

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Hardwood Flooring Installation

Hardwood Flooring Installation – how long does this take?

How long can you expect it to take to install new finished hardwood floors? This depends on a number of factors such as the size of the project (how many rooms) and the type of hardwood floor you select. Keep in mind, every project and home are unique. However, on average it takes 7-10 days to install hardwood floor once it has arrived at your home. 7 days for acclimation of the hardwood and 1-3 days for the actual floor installation. This information is important because installing new hardwood floors can affect your day to day living. To give you a better idea of the process, here is a breakdown of the installation process as well as the factors that can make the installation process shorter or longer than average.

Hardwood Acclimation

Days 1 – 7

Hardwood flooring acclimation is crucial to avoid a wood flooring nightmare. This is the process of adjusting the moisture content of the hardwood floor to match the environment in which it is expected to perform in. How do you adjust the moisture? By bringing the boxes of hardwood floor into your home and opening them, including any plastic wrap, to expose the planks to the air and humidity. The best technique to accomplish this is to lay the boxes a foot apart on the ground. Another layer can be laid on top in a cross-wise pattern. If this step is not completed and your hardwood floor is installed when it is either drier or wetter than the rest of your home, there can be some serious consequences. If it is too dry the floor will absorb moisture from the subfloor and air, causing the planks to expand. The result, cupping and bulging of the wood. If it is too wet it will lose moisture and dry out, causing the planks to shrink and pull away from one another. Neither a good look!

When acclimating your hardwood floor, a minimum of 5 days is recommended, however a week to 10 days is better. To save time and to avoid any unwanted surprises, any old flooring should be removed and subfloor should be vacuumed and inspected during this process. If any repairs or replacement of the subfloor is necessary it is important to find out sooner rather than later.

Why it might be shorter?

Depending on the product you selected, you may not need a week or more to complete this step. Engineered flooring for example is designed to be more stable with little expansion or shrinking. In addition, your retailer may also start this process in their warehouse, which will shorten this process as well.

Why it might take longer?

Again, depending on the product of choice and your installer, solid hardwood flooring can take up to 2+ weeks to acclimate.

Hardwood Flooring Installation

Days 8 – 10

On average it takes 1-3 days to install hardwood floor. Typically, a 2-person crew of installers can lay 750 to 1,000 square feet of flooring per day with the average size of a job being 1,000 to 1,500 square feet.

Why it might be shorter?

It will take less time to install hardwood flooring if the space is smaller than 1,000 to 1,500 square feet. Also, if the space is wide open and free of obstacles it can take less time. In this scenario, experienced installers may lay 1,500+ square feet a day.

Why it might take longer?

The size of the job plays a large factor in how long installation may take. The number of obstacles such as fireplaces, fixtures and cabinets can slow down the process, as well as staircases may take up to an entire day alone. Also, requesting a pattern such as a parquet or herringbone can take two to three times slower to install. Most important, as we mentioned above, not inspecting the subfloor in advance can add 1-2 days if there are any unwanted surprises.

Your flooring consultant will review all of this with you as your make your hardwood flooring purchase. This is all worth the effort as the end result is a beautiful new hardwood floor which will last for years.

9 Signs That It’s Time to Replace Your Subfloor

Maybe you noticed a soft spot under the carpet. Or maybe your floorboards are squeaking a little louder than usual. Either way, you’re left wondering: “is it time to replace my subfloor?”

Subfloor damage is typically caused by overexposure to moisture. This could be from excessive humidity, a leak in your plumbing or a crack in your home’s exterior. While the thought of replacing it might give you a sinking feeling – literally – knowing when it’s time to replace your subfloor will allow you to head off more serious problems.

What Is a Subfloor?

A subfloor is the solid material beneath your floor covering. It is attached to your home’s floor joists and acts as a base for your finished flooring, such as carpet, hardwood, laminate, tile, etc. Typically, a subfloor is made of plywood or oriented strand board (OSB) panels.

In areas that are below grade, such as a basement, the concrete foundation is often considered the subfloor, though plywood and OSB panels can be installed over concrete using ground-level floor joists called sleepers.

Do I Need a Subfloor?

It depends. Above grade, hardwood, carpet, laminate and other floor coverings need a plywood or OSB panel subfloor, as they cannot be installed directly to floor joists. Below grade, a plywood or OSB subfloor is optional, depending on your choice of flooring. Floating laminate, engineered hardwood, tile and carpet can be installed directly on a concrete subfloor if the proper moisture barriers are in place.

9 Common Signs of Subfloor Damage

1. Your floors are uneven or sunken in parts.

If you notice a soft spot under carpet or wood flooring, it could mean that the panels below have weakened. While replacing the entire subfloor may not be necessary, you will have to replace the damaged pieces to prevent the rot from spreading.

2. Your floorboards squeak – loudly.

Subfloors squeak when the nails connecting them to the joists are pulled loose. As you walk across the floor, the nails move in and out of the wooden joists, causing the awful, familiar sound of creaky floorboards. If you notice squeaking throughout the entire room, this could be a sign that the material has warped.

3. The room smells musty.

The smell of mold or mildew is a surefire sign of water damage, but the tricky part is finding where. If your carpet or wood floor smells musty, you almost certainly are dealing with a water damaged subfloor.

What are the most common causes of subfloor damage?

“By far the most common cause of subfloor damage is moisture. Common sources are plumbing fixtures, especially toilets and tubs-with-showers, but also any areas with sinks or appliances that are likely to leak, including bathrooms, kitchens, and laundry rooms. Other less common causes are fire and impact.” Kenton Shepard | Director of Green Building, InterNACHI

4. Your floors shift or bounce when you walk on them.

There’s nothing wrong with having a little spring in your step – unless that springy feeling comes from the floor. If your floors begin to feel spongy, springy or bouncy, or if you notice the floorboards around you shifting when you walk on them, it could mean that it’s time to replace the subfloor.

5. Your toilet is rocking or loose.

“A toilet moves because the subfloor has become so decayed that it no longer securely anchors the fasteners that hold it to the floor,” says Shepard. Often, the moisture damage is from a slow leak in your toilet’s pipes. Since it will only worsen with time, it’s important to get it fixed ASAP.

What are some other areas that are prone to subfloor damage?

“Exterior doors that are poorly installed can fail to protect subfloors from rain and snow, and it’s not unusual to find decay in these areas when inspecting crawlspaces and basements. Especially in warmer climates, crawlspaces that experience seasonal flooding can raise relative humidity to a level at which particle board can experience some deterioration.” Kenton Shepard | Director of Green Building, InterNACHI

6. Your tile flooring has cracked.

Because tile is inflexible, it requires a strong, rigid surface beneath it to prevent it from cracking. If you notice cracks in your tile floor, it may mean the subfloor isn’t firm enough to hold it up and will need replacing. Keep in mind that when installing tile over plywood or OSB, there must be a cement backerboard between the tile and the panels.

7. Your hardwood floor is cupping.

While it could mean your home’s humidity is too high, hardwood floor cupping could also be a sign that water is warping the materials below. But fear not – you can reverse cupping with the help of professional hardwood drying services, as long as the source of moisture has been addressed.

8. Your linoleum floor is bubbling up.

While bubbling linoleum isn’t always a cause for concern, it can be if it’s caused by moisture building up under your flooring. If there are irregularities throughout your linoleum floor, you may need to look a little harder to rule out water damage to your subfloor.

9. Your ceiling is leaking.

To be clear, a leaking ceiling is not your subfloor’s fault. But it may be an indication that your home has a slow leak. Since plywood and OSB tend to absorb moisture, by the time water has leaked through the ceiling, it could mean the materials are completely soaked through. In addition to calling the plumber, you may want to call a flooring professional to check for subfloor damage.

How Long Does a Subfloor Last?

“A subfloor’s lifespan depends mostly on the materials used and the amount of moisture they’re exposed to,” says Shepard. “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. Subfloor damage caused by water can be reversed with the help of professional tools, but it’s important to catch the signs of rot early to prevent it from spreading to the rest of your subflooring materials.

How Much Does It Cost to Replace a Subfloor?

The cost to replace a subfloor can vary based on a number of factors including the quality, type and thickness of your subfloor material, as well as the additional work required (removing and disposing of the old materials, repairing joists or other flooring features, etc.).

On average, replacing an entire subfloor in a 300-square-foot room can cost between $450 – $2,000. Note that this does not account for the cost of replacing the finished flooring.

Average Cost to Replace a Subfloor

(300 sq. ft)

Item DIY Professional Materials $483 $483 Labor $0 $175 Total $483 $658

Professional subfloor replacements in kitchens and bathrooms may cost more than standard estimates. This is because the contractors may have to move appliances or fixtures to finish the installation.

When Repairing Damaged Subfloors, Always Find the Source

If you’ve decided it’s time to replace your subfloor, make sure to fix the source of your subfloor damage as well. Without addressing the root cause of the damage, you’ll eventually need to replace your entire subfloor all over again. Be sure to check nearby pipes, exterior vents and appliances for leaks, and have a disposal plan for any water-damaged materials you come across.

While replacing your subfloor may not be an HGTV-worthy project, it’s an important one to protect your home from further damage, and can save you from even more costly repairs down the line. Plus, it might just be the perfect excuse to install that beautiful hardwood flooring you’ve had your eye on.

Stay ahead of more than just subfloor damage with our preventative home maintenance posts:

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