What Is Hardwood Screening vs. Sanding (Cost Comparison)

Hardwood screening, also called a screen-and-recoat, lightly abrades a sound finish so a compatible new coat can bond; it does not remove deep scratches or bare-wood damage. Full sanding removes the old finish and a thin layer of wood. In the U.S., screening often costs $1.50–$3.50 per square foot, while sanding commonly costs $3–$8.

Sticky patches, dull haze, and fast re-soiling can make it hard to tell whether a floor needs a new coat or a full refinish. The right choice depends less on how often you mop and more on the finish’s condition, the kind of damage, and whether a new finish will bond to the old one.

I use screening for cosmetic renewal only when the existing finish is sound and compatible with the new coating. If the floor has exposed wood, deep scratches, or a finish that is peeling, sanding may be needed. These are different jobs, not two names for the same process.

Surface Assessment, Preparation & Finish Compatibility

Screening works only when the old finish can hold a new coat. Before choosing a service, identify the floor, inspect its wear and damage, and check for residue or past treatments that might block adhesion. The NWFA’s wood-floor care and refinishing guidance, along with finish-maker instructions, should inform the plan.

How do I tell whether my floor needs screening or sanding?

Screening is a surface treatment. It lightly roughens the finish to help a new coat adhere, but does not remove deep scratches, stains, cupping, or bare-wood damage. Sanding removes the finish and a small amount of wood, creating a new surface that can be repaired and refinished.

Look closely at doorways, traffic lanes, and spots under rugs. If you see bare wood or damage that extends through the finish, screening will not hide it. If the floor is dull but the coating remains intact, a screen-and-recoat may be an option.

What should a contractor check before recoating?

The contractor should identify solid or engineered flooring, assess finish condition, and ask about wax, soap, polish, or other products used on the floor. They should also look for moisture damage and confirm that the existing finish is suitable for the planned coating.

A compatibility or adhesion test helps reveal whether the new finish bonds to the old one. It cannot make an unsuitable surface safe to coat. Wax, oil or soap residue, and incompatible polish can lead to poor adhesion, peeling, or fisheyes. If contamination cannot be removed or the finish is unsuitable, sanding may be required.

Engineered flooring needs special care: its top layer is wood veneer, and its thickness varies. Aggressive sanding can cut through that veneer and expose the core. Ask a qualified flooring professional to assess the remaining wear layer before sanding.

Abrasive, Equipment & Mop Setup

Abrasive choice and cleaning matter because screening depends on a clean, bondable surface. Professionals often use a fine abrasive around 120–180 grit, but there is no universal screening grit set by the NWFA. The flooring and finish system determine the right method.

Which abrasive and equipment are used for screening?

A screen-and-recoat usually uses an abrasive to scuff the existing finish, followed by a compatible finish coat. The abrasive removes surface gloss and creates a texture that can help the next coat bond; it is not intended to cut away deep wood damage.

The 120–180 grit range is a planning reference, not a rule for every floor. A flooring professional should choose the abrasive based on the existing finish, its condition, and the new product’s instructions. Ask what process they plan to use and how they will control dust and protect nearby surfaces.

How should the floor be cleaned before and after the job?

Before work, remove dry soil and clear the floor as directed by the contractor. For routine cleaning, use only a wood-floor cleaner approved by the floor or finish maker. There is no one pH, dilution, or water temperature that is safe for every hardwood finish, so follow the product label.

Do not add a rinse unless the cleaner’s label calls for one. Do not use saturated wet mops, steam, abrasive pads, or unapproved polish or wax on finished hardwood. Moisture can harm wood, while residue can interfere with recoating.

Screen-and-Recoat vs. Sanding: Execution and Cost

Screening costs less in many cases because it preserves the existing finish and wood. Sanding costs more because it removes the finish, takes more labor, and applies a new finish system. Broad U.S. planning ranges are $1.50–$3.50 per square foot for screening and $3–$8 for sanding and refinishing.

These are budgeting ranges, not set prices or a quote. Local labor, minimum charges, repairs, stairs, furniture moving, finish type, and coat count can change the total. Get itemized bids for the same scope, and ask whether the quote includes preparation, repairs, materials, and cleanup.

What would each option cost for a 500-square-foot floor?

At the broad ranges above, screening a 500-square-foot area comes to about $750–$1,750. Sanding and refinishing the same area comes to about $1,500–$4,000. These calculations multiply floor area by the listed rates; they do not account for add-ons or local minimums.

The gap is not a reason to screen a damaged floor. Screening cannot remove deep scratches, stains, exposed wood, or finish failure. Paying for a screen-and-recoat that does not address the floor’s condition can mean paying again for sanding later.

What happens during each process?

For screening, the contractor checks compatibility, prepares and abrades the surface, removes dust, and applies a compatible finish. For sanding, the contractor removes the finish and a small amount of wood, completes needed surface repairs, and applies new finish coats.

In either case, preparation and finish instructions matter. Follow the product’s ventilation, recoat, and cure directions. Keep people, pets, and furniture off the floor for the specified times; “dry to touch” does not necessarily mean ready for normal use.

Illustrative job examples: when does each option fit?

These examples show how the decision works; they are not reports of specific installations. A sound floor with dull but intact finish and no contamination may be a screening candidate, if an adhesion test and finish-maker instructions support recoating.

A floor with exposed wood in a traffic lane, deep scratches, or peeling finish needs more than screening. Sanding may be appropriate if the damage is repairable and enough wood remains. On engineered wood, first confirm the veneer can safely tolerate the proposed sanding.

How do I compare contractor quotes?

Ask each contractor to state the treatment, included work, finish product, and coat count. Confirm how they assess compatibility, handle dust, and account for repairs, stairs, and moving furniture. Ask for the estimated time before recoating and the product-specific times before walking on or placing furniture.

Avoid comparing a screening quote with a sanding quote as if they deliver the same result. A lower screening bid is not a substitute for sanding when the finish has failed. I would also ask what conditions could change the price after the floor is inspected.

Mop-Head Cleaning, Drying & Maintenance

After the new finish is ready for use, routine care helps limit grit and residue. Follow the finish maker’s instructions for when cleaning can begin and what products are approved. The basic method is dry soil removal first, then a well-wrung microfiber pad and the recommended cleaner.

How should I maintain the floor after refinishing?

Sweep or vacuum up grit before damp cleaning; small particles can scratch a finish under foot traffic. Use a well-wrung microfiber pad, not a saturated mop. Do not routinely flood-rinse hardwood, and dry accidental wetness promptly.

Sticky residue or haze after cleaning is not proof that the floor needs sanding. Check whether the cleaner is approved and being used as labeled, and whether old polish or soap remains. Do not try to solve residue with a stronger chemical or abrasive pad; ask the finish maker or a flooring professional if the cause is unclear.

Conclusion

The key choice is whether the existing finish is sound enough to recoat. Screening can renew an intact, compatible finish at a lower typical cost, but it cannot repair deeper damage. Sanding removes finish and some wood, so it suits more serious wear only when the floor has enough material left.

Inspect first, test compatibility, and compare itemized local bids. Follow the finish maker’s preparation, ventilation, and cure instructions. Neither IICRC S100, which concerns carpet cleaning, nor S300, which concerns upholstery cleaning, governs hardwood refinishing; use wood-floor guidance and the product instructions for this work.

Frequently Asked Questions

Is screening the same as sanding hardwood floors?

No. Screening lightly abrades the existing finish so a compatible new coat can bond. Sanding removes the finish and a small amount of wood before new finish is applied. Screening does not remove deep scratches, stains, exposed wood, or other damage that reaches below the finish.

How much does hardwood screening cost per square foot?

A broad U.S. planning range for screening and recoating is about $1.50–$3.50 per square foot. Actual quotes vary with local labor, minimum charges, preparation, finish type, stairs, and furniture moving. Request an itemized estimate for your floor rather than treating the range as a fixed price.

How much does hardwood sanding and refinishing cost?

A broad U.S. planning range is about $3–$8 per square foot for sanding and refinishing. Repairs, stairs, coat count, finish choice, and local labor can shift the price. Ask contractors to describe exactly what the price includes so you can compare bids on the same scope.

Can screening remove deep scratches or stains?

No. Screening treats the existing finish; it does not remove deep scratches, stains, cupping, or bare-wood damage. If the defect extends into the wood, sanding or a separate repair may be needed. A contractor should inspect the floor and confirm whether sanding is safe for its construction.

Can an engineered wood floor be sanded?

Sometimes, but not every engineered floor can tolerate sanding. The wood veneer on top may be thin, and sanding too deeply can expose the core. Have a flooring professional assess the veneer and remaining wear layer before work. Do not assume that engineered flooring can be sanded like solid wood.

What grit is used for screening hardwood?

Professionals often use a fine abrasive in roughly the 120–180 grit range, but that is not a universal standard. The correct abrasive depends on the floor, existing finish, and new finish system. The contractor should select it based on the product instructions and the condition of the floor.

Can I screen a floor with wax or polish on it?

Do not assume it is safe. Wax, oil or soap residue, and incompatible polish can prevent a new finish from bonding and may cause peeling or fisheyes. Tell the contractor what products have been used. They should assess contamination and test compatibility; sanding may be needed if recoating is unsuitable.

How long before I can walk on a refinished floor?

There is no single safe time for every finish. Follow the specific product’s ventilation, recoat, and cure instructions, and ask the contractor for the times that apply to your job. Keep foot traffic and furniture off the floor until the specified times; surface dryness alone may not mean it is ready.

What cleaner should I use after screening or sanding?

Use a cleaner approved by the floor or finish manufacturer, following its label. There is no universally safe pH, dilution, or water-temperature rule for all hardwood finishes. Avoid saturated mopping, steam, unapproved polish or wax, and extra rinsing unless the product instructions direct it.

(This article was written by one of our staff writers, Gregory Hayes. Visit our Meet the Team page.)