How Much Does It Cost to Replace a Subfloor?

The structural integrity of your private home relies on the interplay of quite a few parts. For instance, the completed flooring you see on a regular basis is only one ingredient of an entire system. This technique additionally often consists of joists, underlays and your sub-floor.

The subfloor is the layer that usually overlies the joists and is tasked with supporting and distributing the burden from above. They need to be structurally sound or they will not present the type of help you want. Over time, the sub-floor you presently have may additionally must be changed, requiring a major funding in your half.

The typical value to interchange a subfloor is $4.25 per sq. foot. Generally used subfloor supplies are concrete, plywood, and OSB, and so they value about $6, $2, and $3 per sq. foot, respectively. The labor value to interchange the underbody is roughly $35 an hour. Count on to pay $28-$30 an hour when you additionally need to take away the previous sub-floor.

Changing an previous and broken subfloor is a necessity, not an possibility. If this a part of your private home is broken, it is advisable change it as quickly as attainable. Learn on to study extra about the price of changing an underbody.

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Subfloor substitute value by sq. toes

estimate kind value per sq. foot
low-end estimate $1.50
Medium estimate $4.25
high-end estimate $7

Once you contact a contractor to interchange your subfloor, be sure you ask for his or her sq. footage. That is the quantity it is advisable estimate how a lot the mission will in the end value. The typical value of subfloor substitute is roughly $4.25 per sq. foot.

Do not be stunned when you get a better value from the contractor you discuss to. Some will current a value nearer to $7 per sq. foot.

Strive wanting round when you do not just like the numbers you get. They’re uncommon, however some contractors checklist them at round $1.50. That is most likely the most affordable value you’ll find for an underbody substitute.

Changing your whole underbody is an possibility, however you do not have to. You’ll be able to concentrate on a couple of segments of your subfloor which can be badly broken.

Word that the numbers talked about up to now solely bear in mind the price of supplies. We don’t but think about labor prices and the influence of different necessary elements. We’ll get to that a bit of later within the article.

Value of changing the sub-floor with materials

Used materials value per sq. foot
concrete $6
plywood $2
OSB $3
Advantech $4
amdry $3.75
barricade $4.50
Delta FL $2.75
Dricore $3.75
Tyroc $4.75
heat board $7

The fabric you select on your substitute underbody makes an enormous distinction. Some supplies are extra sturdy than others, so that they keep in good situation longer.

Sure supplies additionally possess particular properties that may assist them work higher in sure properties. Study them intently to see in the event that they make sense as a cloth on your substitute underbody. Discover out extra in regards to the totally different supplies that can be utilized as a subfloor by studying the knowledge under.


First, let’s discuss concrete as a attainable materials possibility on your subfloor. It is one of the costly supplies you should utilize for this explicit utility. It’s a must to pay about $6 per sq. foot if you wish to use concrete.

The great thing about concrete when used for subfloors is its sturdiness. Concrete is among the many strongest supplies you should utilize and you may anticipate it to final.

Utilizing concrete can be a good suggestion as it’s a clean materials. It is simpler to carry your completed flooring, even with concrete supporting beneath.


If you wish to use one thing reasonably priced on your subfloor, think about plywood. At round $2 per sq. foot, plywood might be the most affordable materials you should utilize for subfloors.

Plywood will not impress you with its sturdiness, nevertheless it’s sturdy sufficient to final some time. Simply make certain the plywood is put in correctly so you may maximize its sturdiness.

Ask the contractor how a lot they cost if you wish to use plywood. They could give you a lower cost as a result of plywood is less complicated to put in in comparison with different subfloor supplies.


OSB stands for Oriented Strand Board and is the following materials possibility you should utilize as a subfloor. OSB is one other low cost subfloor materials, because it solely prices about $3 per sq. foot.

For individuals who might not know, OSB is made by urgent items of wooden and gluing them collectively. This course of produces a stable slate that’s nicely suited to subsoil functions.

OSB works equally to plywood. For those who’ve used plywood as a subfloor earlier than and favored it, you may most likely be high-quality with OSB as nicely.


Along with widespread supplies resembling concrete, plywood and OSB, it’s also possible to select high-performance panels for the development of your subfloor. Advantech is a kind of high-performance supplies and prices $4 per sq. foot.

Select Advantech when your underbody must be changed as quickly as attainable. Staff can set up Advantech panels shortly as a result of they’re very straightforward to course of.


Owners also can select Amdry for subfloors. Amdry prices about $3.75 per sq. foot.

What units Amdry aside from different underbody supplies is its insulating skills. Set up Amdry when you’re attempting to control warmth switch between totally different elements of your private home.

Amdry panels additionally promote good airflow. Any moisture that penetrates your subfloor will dry shortly thanks to those panels.


Barricade is the following possibility you should utilize for sub flooring. The typical value of Barricade subfloors is roughly $4.50 per sq. foot.

Much like concrete, Barricade has gained recognition as a subfloor materials resulting from its toughness. It doesn’t matter what flooring you pair Barricade with, you may relaxation assured that it’s going to retain its power.

Delta FL

We return to a different budget-friendly possibility in Delta FL. The above subfloor materials is accessible for about $2.75 per sq. foot.

Delta-FL is great for safeguarding flooring from moisture. It successfully prevents moisture from reaching different elements of your flooring system. You additionally do not have to fret about mould development so long as you might have Delta-FL put in.


Dricore subfloors promote for about $3.75 per sq. foot. That is value for a reasonably versatile underbody materials.

Dricore does a bit of little bit of every little thing with regards to offering a secure basis, insulation and safety from moisture. It does not excel in any space, nevertheless it’s a stable all-around performer.


If you’re on the lookout for an eco-friendly underbody possibility, be at liberty to make use of Tyroc. Tyroc panels value roughly $4.75 per sq. foot.

Tyroc’s materials composition units it aside from the opposite choices accessible. It’s comprised of recycled tires and natural supplies.

Except for being eco-friendly, Tyroc additionally deserves some credit score for being moisture-tolerant. Tyroc may be each a accountable and sensible addition to your private home.

heat board

To spherical out our checklist of underbody choices, let’s take a better have a look at Warmboard. Warmboard can be the costliest possibility, which we spotlight on this article, because it prices nearly $7 per sq. foot.

Specifically, Warmboard is kind of restricted by way of utility. Warmboard’s optimization implies that it have to be used with radiant warmth hydronic methods. It is probably not an possibility that you should utilize in your family.

Nonetheless, there are actual causes to love Warmboard. Warmboard’s sturdiness and radiant warmth are coveted qualities that individuals wish to see of their subfloor.

Labor value to interchange sub-floor

estimate kind prices per hour
low-end estimate $25
Medium estimate $35
high-end estimate $45

Most contractors cost for hourly underbody set up initiatives. The typical hourly price for underbody installations is round $35.

Quite a few elements have an effect on the hourly price that the contractor quotes you. These elements have been detailed under.

Elimination of subfloor

Staff might have to utterly take away your present subfloor earlier than putting in the substitute. Because of this you additionally pay for the transferring service. You’ll be able to anticipate to pay about $28 an hour in case your present subfloor must be eliminated.

This value is a bit excessive, however keep in mind that it additionally contains rubbish disposal. Paying for this service will prevent a number of hassle.

measurement of your subfloor

Unsurprisingly, the scale of your subfloor makes an enormous distinction with regards to figuring out the price of the mission. Test with the contractor for the sq. footage, then measure the scale of the subfloor you’re planning to interchange. With these calculations, you will get a good suggestion of ​​how a lot this mission will value.

Desired Upgrades

Trying to improve your private home’s flooring system? Including a heater and a few protections can significantly enhance your private home. With these added options, your flooring will last more too.

Want to rent a body builder?

Obtain free, no-obligation quotes from skilled contractors close to you.


associated questions

How a lot does it value to restore an underbody?

The labor value of repairing the underbody is usually round $28 an hour. It’s normal for householders to spend round $400 on subfloor repairs, particularly if the issue is expounded to water injury or pests.

Is changing the subfloor within the basement costly?

Sure, changing the subfloor in your basement could be very costly. It is the a part of your private home the place changing the subfloor prices probably the most. Owners routinely spend round $4,000 to interchange subfloors within the basement.

How a lot does it value to interchange a motorhome underbody?

Changing the subfloor for a cellular house prices about $2.50 per sq. foot. RV subfloor substitute prices are decrease as a result of inexpensive supplies are sometimes used for these initiatives.

Gary Evans

Gary Evans is a passionate DIY fanatic. He loves determining learn how to make enhancements within the easiest, most sensible and least costly manner. Upgrading his house kitchen is one in every of his fixed hobbies. Gary can be a longtime content material creator and enjoys spending his free time tending to his hydroponic vegetable backyard.