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Scratches on Wood Floors: Prevent, Repair, Refinish
Care guide 4 min read

Scratches on Wood Floors: Prevent, Repair, Refinish

Where scratches on a wood floor come from, how to prevent most of them, and how oiled and lacquered floors are repaired, from a recoat to a full sand.

Guide type
Care guide
Reading time
4 min
Sanding cycles
up to 4 times
Sources quoted
7 published sources

Every wood floor scratches. The question is how deep, and the answer decides the repair. The US National Wood Flooring Association says most scratches in wood flooring occur in the finish, not the wood itself, which is good news: a scratch in the finish is a smaller job than a scratch in the oak. This guide covers where scratches come from, how to prevent most of them, and how oiled and lacquered floors are put right.

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01

Where scratches come from

Grit, first. The NWFA notes that particles have the potential to be ground into floors, damaging the finish, and grit is carried in on every pair of shoes. After grit come furniture dragged across the floor, pets' claws and narrow heels. Grit dulls a whole walkway with fine scratches; the others leave their own lines and marks.

02

Preventing most of them

At the door
The NWFA recommends breathable rugs at all doors, to keep dirt and debris from being tracked inside and to help protect the floor from scratches.
Under the furniture
Fabric-faced glides under the legs of furniture, which the NWFA recommends to prevent scuffing and scratching, checked now and then for grit caught in them.
Underfoot
The NWFA advises avoiding cleats, sports shoes and high heels on a wood floor, and keeping pet claws trimmed and in good repair.
The routine
Sweep or vacuum before the grit does its work, and damp mop only when the floor needs it. The guide to cleaning engineered wood floors sets out the routine.
See also
03

How deep is it?

The depth decides the repair: a scratch in the finish is put right by renewing the finish, a scratch into the oak by sanding the wood itself. The NWFA's guidance below runs the same way, from a light abrade and a new coat to a complete sand and refinish.

04

Repair by finish

Oiled
An oil is a penetrating finish that leaves the surface texture intact, in the words of the Wood Handbook of the US Forest Products Laboratory, and that is what makes it repairable in place: the worn or scratched area is cleaned and re-oiled. The oiled care guide gives the method.
Lacquered
A lacquer is a film on top. The NWFA says a professional may be able to lightly abrade the finish and apply a new coat to restore the floor, and a lacquer is recoated by area rather than patched invisibly. The lacquered care guide gives the method.
Deep
The NWFA recommends a complete sand and refinish when there is damage to the wood floor such as deep scratches and dents, or when the finish has worn away.
See also
05

When it needs a full sand

An engineered floor can be sanded and refinished, though not as many times as solid wood flooring, the NWFA notes; how often depends on the oak wear layer. In our range 47 of the 65 engineered floors have a 3 mm wear layer, 13 have 4 mm and 3 have 6 mm. The sanding guide sets out the published minimums and what to check before a sander starts.

See also
06

Choosing a floor that hides scratches

A matt, textured surface hides fine scratches far better than a smooth, glossy one, and an oiled floor can be repaired where it wears. In our range 43 engineered floors are brushed and 9 deep brushed, and 32 are oiled. For a house with dogs or a busy hallway, those are the ones to look at first.

See also
07

Common questions

How do I fix a scratch in a wood floor?

It depends on the finish and the depth. On an oiled floor the area is cleaned and re-oiled; on a lacquered floor the NWFA says a professional may lightly abrade the finish and apply a new coat; a deep scratch into the wood calls for a sand and refinish of the area or the floor.

Are most scratches in the wood or the finish?

In the finish. The NWFA says most scratches in wood flooring occur in the finish, not the wood itself.

How do I stop chairs scratching my floor?

Fabric-faced glides under every leg, which the NWFA recommends to prevent scuffing and scratching, checked from time to time for embedded grit, and furniture lifted rather than dragged.

Do dogs scratch wood floors?

Their claws can. The NWFA advises keeping pet claws trimmed and in good repair, and a brushed, oiled floor hides marks better and can be repaired where it wears.

When does a scratched floor need sanding?

When the damage is in the wood, such as deep scratches and dents, or when the finish has worn away; the NWFA recommends a complete sand and refinish then. On engineered wood the wear layer decides how often that can be done.

We deliver engineered and solid oak town by town across the UK. Browse by town and region.

See also
08

What the published standards say

Each entry is quoted from its source and linked to it. The full set is in the standards reference.

Preventing scratches: glides, shoes, claws, grit

The US National Wood Flooring Association advises fabric-faced glides under furniture legs to prevent scuffing and scratching, avoiding cleats, sports shoes and high heels, keeping pet claws trimmed, and notes that particles can be ground into a floor and damage its finish.

“Put fabric-faced glides under the legs of furniture to prevent scuffing and scratching. … Avoid walking on wood floors with cleats, sports shoes, and high heels. 3. Keep pet claws trimmed and in good repair. … Particles have the potential to be ground into floors potentially causing damage to a floor’s finish.”

Source: NWFA Wood Flooring Installation Guidelines, Revised 2025 - National Wood Flooring Association, maintenance chapter, general protection

Most scratches are in the finish

The US National Wood Flooring Association says most scratches in a wood floor are in the finish, not the wood, and that a professional may be able to lightly abrade the finish and apply a new coat; it also recommends breathable rugs at all doors to keep grit out.

“placing breathable rugs at all doors will minimize dirt and debris from being tracked inside and help protect your floor from scratches. … Most scratches in wood flooring will occur in the finish, not the wood itself. A professional may be able to lightly abrade the finish and apply a new coat to restore the floor.”

Source: Homeowner's Handbook to Real Wood Floors - National Wood Flooring Association (PDF, 2019)

Deep scratches: when a full sand and refinish is due

The US National Wood Flooring Association recommends a complete sand and refinish when a wood floor has damage such as deep scratches or dents, or when the finish has worn away.

“A complete sand and refinish is recommended when there is damage to the wood floor like deep scratches, dents, and other flooring damage. It is also recommended when the finish has worn away,”

Source: Refinishing Your Floors - woodfloors.org, consumer site of the National Wood Flooring Association

Oils and film finishes compared

The 2021 Wood Handbook of the US Forest Products Laboratory compares the two kinds of clear finish: film-forming finishes such as varnish are generally easier to clean and better at keeping wood from getting dirty than penetrating finishes such as oils, which leave the surface texture intact; films can protect against scratches and dents but are worn away by cleaning and abrasion, and floors need thicker, harder films.

“Smooth film-forming finishes, such as varnish, are generally easier to clean and better at preventing wood from getting dirty, compared with penetrating finishes such as oils that leave the surface texture intact. Films, especially when thicker, can also protect the wood from scratches and dents. Films often get worn away by repeated cleaning or by abrasion. Thicker, harder films are needed for high wear applications such as floors.”

Source: Wood Handbook — Wood as an Engineering Material, General Technical Report FPL-GTR-282 (2021), chapter 16 "Finishing of Wood", section "Transparent Finishes" — USDA Forest Service, Forest Products Laboratory

Engineered wood can be refinished, less often than solid

The US National Wood Flooring Association says engineered wood floors are real wood in multiple layers with a top layer of high-quality wood, and that they can be sanded and refinished, but not as many times as solid wood flooring.

“Engineered wood floors are also made of real wood, but include multiple layers, with the top layer made of high-quality wood. … While this type of flooring can be sanded and refinished, it cannot be done as many times as solid wood flooring.”

Source: Types of Wood Floors - woodfloors.org, consumer site of the National Wood Flooring Association (NWFA), 10 October 2023

How often a wood floor can be sanded

No trade-association or standards source found puts a number on how often an engineered wood floor can be sanded; the only sourced figure comes from a manufacturer, Kährs, which says engineered floors can be sanded up to four times depending on wear-layer thickness.

sanding cycles, engineered wood floor (manufacturer statement)up to 4 times

“Depending on the thickness of the wear layer, they can be sanded up to four times, extending their lifespan significantly.”

Source: FAQ about flooring - Kährs

Multi-layer parquet: a top layer of at least 2.5 mm

EN 13489, the product standard for multi-layer parquet, defines multi-layer parquet as a wood flooring system of laminated construction with a solid wood top layer of at least 2.5 mm, and requires the top layer never to be thinner than 2.5 mm, whatever the production deviation.

Minimum top layer thickness, multi-layer parquet (EN 13489:2023, 3.1 and Table 1)2.5 mm

“wood flooring system of laminated construction with a solid wood top layer of at least 2,5 mm thickness … Due to process in production, the deviation of declared top layer thickness can be ± 0,2 mm but the thickness shall be never less than 2,5 mm.”

Source: EN 13489:2023 - Wood-flooring and parquet - Multi-layer parquet elements (SIST preview of the standard, clause 3.1 Terms and definitions, clause 4.1.3 Dimensional characteristics)
09

Who publishes this guide

Homes and Floors Ltd, registered in England and Wales, company number 11762665, incorporated in January 2019. Endeavour House, Floor 3, Coopers End Road, Stansted CM24 1SJ.

Where a guide quotes a standard or a regulation, the source is named and linked. Product figures come from the specifications on the product pages. If something here is wrong, tell us at info@homesandfloors.com and we will check it.

First published .

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