I'm remodeling my primary bathroom and have a 2.25" red oak flooring that I'd love to keep. I'm a bit nervous about maintaining hardwood in a bathroom setting due to moisture concerns. I know boats are made of wood and last a long time, so why can't my floor? I'm looking for advice on waterproofing it or suggestions for a high-quality sealant to protect it.
5 Answers
Using hardwood in a bathroom does come with risks. While you can apply sealants like polyurethane to enhance water resistance, it won't make it truly waterproof. Water can seep through gaps or the subfloor, leading to potential damage. If you want the wood look, consider engineered hardwood that’s more moisture-resistant or opt for waterproof options like vinyl or tile. And if you stick with hardwood, be diligent about cleaning up spills and use bath mats to protect the floor.
Regular hardwoods like oak aren’t the best choice for bathrooms. If you're set on wood, consider bamboo or teak, which hold up better in moisture-rich environments.
Honestly, I wouldn't risk it with regular hardwoods. For a wood-like aesthetic, luxury vinyl planks are a fantastic option that looks great and handles moisture better without the worry!
I had wooden flooring in my bathroom once, and after about a decade of careful care, mold started forming in the joints. Even though I was careful about wiping up after showers, wood just isn’t the best fit for such a moist space. I'd say with good prep, you might get 10 years max before you see issues.
I have a master bath with white oak hardwood, and I’ve had no moisture issues despite regular splashes. The key is that my floor was installed without any gaps and sealed after sanding. If your floor has cracks, you might want to sand, fill, and recoat it first to create a solid barrier.

Exactly! Regular maintenance is crucial. Also, good ventilation can help a ton with moisture control.