Sanding cupped wood floors. Hello jason my hardwood floors are newly installed in the upstairs throughout. The planks that make up wood flooring expand and contract based on the amount of moisture in the room. 9 tips you must read before sanding your hardwood floor. Wood floor cupping is a scary phrase when considering new floors.
They specialize in wood floors so that is why this is all so weird. Sanding a cupped floor flat before it is brought to a normal mc can eventually result in a crowned floor convex surface once the drying process is complete. At this point the floor may now be ruined and need to be replaced. However this isnt a reason to tick hardwood floors off your list.
Downstairs half of the floor was hardwood and the other half carpeted so we converted it all to hardwood. Wet floors should not be sanded flat until the drying process is completed. Wood is hygroscopic in nature and thereby tends to absorb moisture from its surroundings causing problems in hardwood floors. Moisture affects solid wood floors and engineered wood floors in slightly difference ways.
Here we are with cupped floors they cupped shortly after install and have not gone down 6 months later. I would advise observing the floor for an entire heating season before sanding. The secret to sanding any cupped floor is to be absolutely certain the cupping is permanent. They claim that 5 7 days acclimation is not needed yet here i am with cupped floors.
Sanding a cupped floor flat before it is brought to a normal moisture content can eventually result in a crowned floor. Cupping in engineered wood floors. 3 months after the installation and cupping is occurring to all new hardwood floors. Whenever there is too much moisture the wood expands.
Tough on hardwood and any floor that hasnt been sanded in 20 years or more will have significant areas that are cupped crowned or simply skewed.