Steps to minimize.
Hardwood floor problems cupping.
When the moisture increases the wood swells and then when it decreases the wood shrinks.
It was then placed on a moist.
Moisture from below can.
This flooring was sanded flat when it cupped after being installed over a moist subfloor.
Just running a fan or dehumidifier for a week will not solve most problems.
Cupping and crowning cupping and crowning are two terms used in the hardwood flooring industry to describe the reaction wood floors experience when there are problems with moisture levels in the home.
However usually high rh is the culprit.
But lack of moisture can be just as big a problem as too much moisture.
Increase the relative humidity in the room with cupped floors to 20 percent to prevent cupping from the air being too dry.
As the wood expands compression can result as the boards are crushed together deforming the boards at the edges.
As noted previously moisture movement within wood can be slow.
As referenced above is the cupping uniform and seasonal.
Wood is hygroscopic meaning that it absorbs and releases moisture.
As you can see moisture and wood don t go well together.
How to fix hardwood floor cupping make sure you have a reliable wood moisture meter so you know how much the wood moisture content has risen or can.
When engineered wood floors get too dry dry cupping may occur.
Anything from pipe leaks to a still wet concrete slab to improper hvac usage can cause cupping.
A vapor retarder installed between the subfloor and the floorboards can help the condition by slowing moisture migration but it shouldn t be relied on as a permanent solution to moisture problems.
Determine where the moisture is coming from.
Photo courtesy of roy reichow when you re talking about problems with wood floors nothing gets more attention than moisture and its consequences like cupping.
Get a dehumidifier.
Typically cupping is a problem that stems from excessive moisture.
Most often cupping happens when flooring is installed over a wet basement or crawlspace.
Cupping in engineered wood floors crowning after sanding.
In many cases of slight to moderate wood floor cupping eliminating the source of the water and drying out the flooring can save the floor.
Cupping can also occur in rooms with dry humidity.
Wood is hygroscopic in nature and thereby tends to absorb moisture from its surroundings causing problems in hardwood floors.
Is it confined to.
Cupping is a result of the changes in moisture in the room.