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. Wood is hygroscopic, meaning that it absorbs and releases moisture.
Damp plywood was used and then the hardwood installed over top without proper moisture readings done on either surface (plywood.
Hardwood floor cupping concrete slab. And in about 28 days, the concrete should be approaching full strength. Within a few weeks of moving in, we started having cupping problems. In this video, he offers a few tips for selecting and installing a hardwood floor in slab on grade conditions.
This is especially common with new construction if the floor is installed before any type of hvac is running within your home. About 3 years ago, my home was built in southern louisiana with reclaimed/antique pine hardwood flooring (7 planks) glued to the concrete slab. Advantages of wood flooring on concrete basement floor.
Wood floor cupping or when boards turn up on the edges. The house has total encapsulation foam insulation and a combination ac/dehumidifier. Cupping, crowning, or buckling are all more severe and apparent signs of underlying hardwood problems.
Besides hardwood’s durability, low maintenance, and is easy to clean, there are three immediate benefits: 70% of our floor, installed over concrete, is cupping. But, there are a lot of aspects to consider when it comes to pouring the slab correctly.
According to flooring experts, the best kind of wood flooring to use with a concrete subfloor is a floating engineered wood floor. They’re easy to spot and often occur when the wood is already too far gone to reuse. What is the best wood flooring for concrete slab?
Moisture can destroy hardwood flooring. This method is a little different from installing a standard wood floor over a standard. When one side of the floor is exposed to excessive moisture, that side will expand, causing the whole board to warp away from that side.
Cupping of hardwood strip flooring results from excessive moisture when the humidity below the finished flooring material is substantially higher than above. Layers of plywood provide the support for the flooring, but understanding the impact of moisture content in the building materials is key. I have had both the manufacturer as well as the company who installed the floor…
The 2018 national wood flooring association publication c200 hundred, problems, causes and cures states the following on page 6. For buckling to occur the floor has to gain moisture, expand and meet a location(s) that prevents it from expanding; A concave or dished appearance of individual boards with the edges of the board raised higher than the center.
A sidebar discusses special problems for floor installers in the southwest. Installing hardwood flooring in basement over concrete will make that space look stunning and spectacular. The house stays around 45% humidity.
When pouring a new concrete slab and installing a maple hardwood floor for the first time, you rightfully expect that you’ll end up with a finished product that will last for decades. I had a very expensive hardwood floor installed on concrete about a year ago. Moisture in vented crawl space:
Gap and cracks between hardwood planks. Within seven days, you can expect the slab to cure to about 70 percent of full strength. The general effect is easy to demonstrate by putting a small strip of paper onto a small drop of water.
The paper will curl up away from the water. Buckling is like the opposite of cupping, bowing upward into a peak instead of inward, and sometimes even lifting off the flat underlayer surface. If you're building a custom home or remodeling your house, matt risinger believes hardwood floors are the way to go.
A floating floor is the perfect companion for a concrete subfloor. You can take some measures to protect and prevent your floor from buckling, this will help avoid the cost of unwarping hardwood floor. It can also happen later if your basement or crawl space harbors more humidity in general.
Can't replace hardwood floors, what are my options? This may be a wall, column, doorway or any other vertical object that prevents the floor from expanding. The homeowner has a responsibility to maintain indoor humidity levels through humidification, ventilation, air conditioning or dehumidification to prevent permanent, irreversible damage.
It started cupping in places within a month, and now the problem has spread to about 70% of the floor. Generally, concrete sets in 24 to 48 hours allowing one to walk on it. Should i install a floating floor or a staple down for engineered hardwood?
Ways to prevent hardwood floor warping. If there is excess moisture in the concrete slab, crawl space, or basement below your wood floor, this can cause cupping. This is also a type of warp.
The sunken living room has issues in the crawlspace/concrete slab that were never addressed properly by the general contractor prior to building up the subfloor. Hardwoods provide style and elegance that adapts easily to any interior design whether modern. Hardwood floors cupping even after replacement.
On the other hand, there are several early warning signs of hardwood floor on concrete slab problems that aren’t nearly as dramatic. This curing process should never be confused with concrete drying. It causes cupping, warping, and even mildew if not.
Wood is an anisotropic material, meaning it […] It is not hard to see the effect in wood flooring, either.