Can You Recoat Engineered Hardwood? Engineered and Prefinished Floors
Yes, engineered hardwood can be recoated, and a recoat is often the best fix for it. Its real wood top layer can be thin, so it can take only a few full sands or none at all, while a recoat takes no wood off. Many engineered floors also come prefinished from the factory, and that hard factory finish needs extra care in the prep. Here is how to check an engineered floor, how to screen it and what changes on a prefinished one.
What engineered hardwood is
A solid hardwood board is one piece of wood all the way through. An engineered board is built in layers. The top layer is real wood. Under it are layers of plywood or other wood, glued together.
From the top it looks and feels like solid wood, because it is. It also has a clear finish on top that wears the same way: dull walkways, scuffs in front of the couch, scratches by the door.
That finish is what a recoat works on. The new coat bonds into it, not into the wood.
Why a recoat is often the best fix
A full sand cuts through the finish and into the wood. On solid hardwood there is plenty of wood to cut. On engineered, the real wood layer can be thin. Some engineered floors can be sanded only a few times. Some cannot be sanded at all.
A thin wood layer that cannot be sanded often leaves a recoat as the main fix. A screen and recoat takes no wood off. It renews the finish on top and protects the thin layer under it.
That makes engineered floors a strong fit for a recoat business. The homeowner may have been told the only option is replacing the floor.
Check the layers before you quote
Pull a floor vent. The cut edge of the boards under the vent shows you the layers: the real wood on top and the core under it. That tells you it is engineered, and roughly how much wood is on top.
Make sure it is engineered wood and not laminate or vinyl plank. Those can look like wood, but the look is a printed picture under a plastic top. Laminate is not recoated with this finish. LVP is its own case: it can be recoated, with a test spot first.
Then run the same checks as any floor: gray bare wood, wax and polish tests, and a tape test on a scuffed spot.
Screen engineered floors gently
- Never use a metal mesh screen on engineered wood.
- Start fine: a 220 screen. Step down only if the finish will not dull evenly.
- Keep the buffer moving. Do not let it sit in one spot.
- Going too aggressive takes color off the boards and eats into the floor. On a thin wood layer, that cannot be undone.
- For softer finishes, a maroon pad, about 320 grit, may be all it needs.
Because the wood layer can be thin, how you screen matters more here than anywhere.
Factory-prefinished floors
Many engineered floors, and some solid ones, come prefinished. The boards were sanded and coated at the factory, and the installer just put them down.
You can often spot one by the small grooves between boards. Each board has a slightly rounded edge, called a bevel, so there is a tiny V at every seam.
A factory finish is usually very hard. Many contain aluminum oxide. That is good for the homeowner, but it gives a new coat less to grip at first.
So screen it slower and more thoroughly. The whole floor must be evenly dull before you coat, with no shiny spots left. Do the bevels and edges by hand with a trim pad. That extra screening is what lets the coat bond into the factory finish.
How many coats
Factory-prefinished floors often take one coat. Site-finished floors more often take two.
If the engineered floor has worn traffic lanes that look dry and thin, plan a second coat. The first coat soaks into the worn paths, and the second brings the floor to one even sheen.
FloorIt Two-Part Finish is dry in about 2 to 4 hours, so a second coat can go on the same day after a light pass with a maroon pad.
What a recoat cannot fix on engineered floors
- Wear through to the core or to gray wood. That floor is past a recoat, and on a thin layer it may be past a sand too.
- Deep gouges, holes and boards that are cupped or lifting.
- Stains soaked into the wood. An amber-tinted version of the finish can help blend them.
- Not sure? Send photos. FloorIt partners with a flooring company, and partners send photos of any floor they are unsure about.
A recoat renews the finish. It does not fix the wood.
Common questions
Can you recoat engineered hardwood? Yes. A recoat renews the finish on top without taking wood off, which is why it is often the best fix for engineered floors with a thin wood layer.
How many times can engineered hardwood be sanded? It depends on how thick the real wood layer is. Some can be sanded a few times, some not at all. Pull a floor vent to see the layers.
Can you recoat prefinished hardwood floors? Yes, after a thorough screen. The factory finish is very hard, so screen slower and more carefully until the whole floor is evenly dull.
Is a recoat safe for a thin engineered wood layer? Yes, when it is screened gently. A recoat takes no wood off. It only roughens the old finish so the new coat can bond, which is why it protects a thin layer instead of using it up.
What screen should you use on engineered wood? Start fine, at 220, and never use a metal mesh screen. Step down only if the finish will not dull evenly.