Polyurethane Hardwood Cupping

This expansion can be in the form of cupping the center of the board is lower than the edges or crowning the center of the board is higher than the edges.

Polyurethane hardwood cupping.

My basement was finished by the previous owners about 30 years ago and they put down hardwood floors possibly directly on the concrete. For flawless wood floors avoid these 11 wood flooring installation and finishing mistakes. Any wood floor can suffer from cupping. As suggested in the wood flooring 101 section of our website the type of wood flooring you have limits the range of possible repairs for your wood floor.

Installing a wood floor requires a substantial investment in materials and labor. When problems arise or when a floor fails it can be costly. Hardwood floor in basement cupping q. When moisture interacts with a hardwood floor the side of the boards closest to the moisture expands.

Cupping in solid wood floors. The boards have bowed up in a large section in the center of the floor and you can bounce on them. Cupping occurs in solid wood flooring as a result of an elevated mc in the bottom of the flooring compared with the mc of the face. The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water.

Polyurethane finished wood floors are more durable than the wax coatings of the past. The boards have bowed up in a large section in the center of the floor and you can bounce on them. The simplest way to think of wood floor cupping is to imagine the edges of each plank sticking up higher than the centers. The paper will curl up away from the water.

Water based polyurethane is clear low odor and has a quick drying time it is recommended for surfaces that see little exposure to heat or the elements such as desks bookcases and end tables. Hardwood floor in basement cupping q. The two major types of polyurethane are oil based and water based each of which has different advantages. The wet subfloor wets the bottom of wood flooring which causes the bottom of the planks to swell causing cupping in summer said rachael.

Clean your floor regularly by sweeping and damp mopping and work on any spills quickly so they don t set in and. However you still need to take special care when cleaning this type of floor as you can damage the floor or the coating if you re not careful. It ends up looking a little like an accordion. The type of wood flooring you have affects the repair options available.

My basement was finished by the previous owners about 30 years ago and they put down hardwood floors possibly directly on the concrete.