Can You Lay Hardwood Over Tile?
QUICK ANSWER
Yes, engineered hardwood installs well over tile, either as a floating floor or glued down. Solid hardwood requires nailing into a wood subfloor, so you cannot install it directly over tile (the tile and subfloor underneath are usually concrete). Floating engineered is the most common solution.
Hardwood over tile is doable but the answer depends on which type of hardwood. Engineered hardwood, which comes in floating or glue-down formats, works well over tile in most cases. Solid hardwood is a different story since it needs to be nailed into a wood subfloor. Here is what works, what does not, and how to handle the height transition that always comes with this kind of project.
Does hardwood install over tile actually work?
It depends on the type of hardwood. Engineered hardwood (a thin wood veneer over a plywood or HDF core) installs over tile as a floating floor with click-lock edges, or glued down to the tile surface, depending on the product. Both methods work and last 20 to 30 years when installed correctly. Solid hardwood (3/4 inch thick traditional planks) requires nailing into a wood subfloor, which means you cannot install it directly over tile that is bonded to concrete. The tile would have to be removed first.
What prep does the tile floor need?
Clean the tile thoroughly with a degreaser and rinse. Fill grout lines deeper than 1/8 inch with floor patch or self-leveler so the new floor has a flat base. Check the entire tile floor with a long straight edge for any high spots, low spots, or rocking tiles; fix those issues before laying hardwood. Address any moisture issues since wood is more sensitive to moisture than tile. For glue-down engineered hardwood, the tile surface must be scuffed lightly with 60 to 80 grit sandpaper to give the adhesive something to grip.
What about height and threshold transitions?
Adding engineered hardwood over tile raises the floor by 3/8 to 5/8 inch depending on plank thickness and any underlayment. Doors typically need trimming at the bottom. Transitions to other rooms need T-molding or threshold strips that bridge the height difference. Cabinets and dishwashers may not fit back under counters without modification. Toilets need flange extenders. Measure all these clearances before committing to the project so you know what other work has to happen.
When should you remove the tile instead?
Remove tile if you want solid hardwood (which requires a wood subfloor underneath). Remove if the tile is in bad shape with cracked, loose, or rocking pieces. Remove if you cannot accept the added height at doorways and around appliances. Remove if the height difference at transitions to other rooms would create a tripping hazard. Tile removal is messy and adds days to the project, but for major flooring renovations the clean-slate approach gives the best long-term result.
Engineered hardwood over tile works as floating or glue-down, depending on the product. Solid hardwood needs a wood subfloor so it cannot go directly over tile. Clean and flatten the tile first, plan for the height increase, and pick engineered if you want to keep the tile underneath. For solid hardwood or major renovations, removing the tile first gives the cleanest result.
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