wood floor cupping over crawl space

However wood and engineered wood floors can be used safety if a vapor barrier has been installed in the crawl space to prevent moisture from traveling up through the floor. The simplest way to think of wood floor cupping is to imagine the edges of each plank sticking up higher than the centers.

Cupped Hardwood Floor And Crawl Space What S The Connection

In his case the mositure was likely present before install and the floor shrunk.

. I have solid oak flooring thats cupping. Crawl Space Repair News. As the moisture drops out of the air from condensation the air becomes drier and drier as it moves across the crawl space and out the other side.

At MidSouth Crawl Space Solutions we specialize in crawl space problems of all types. The crawl space vapor retarder had large openings permitting entrance of subsoil moisture. Ive read a lot on the subject and would like to get opinions for the best solution.

Now that we know the moisture is originating in the crawl space we can begin to assess what measures are required to ensure the floors stop cupping and being certain it does not happen. I have tar paper between the floor and subfloor and I did have the floors adjusted to the home air. And once youve encapsulated.

Because leaks often take a while to detect they can be especially damaging to hardwood floors due to the prolonged exposure to moisture they cause. Cupping resulted when the bottom of the wood floor had a higher MC than the top. Overlap sheets by a minimum of 6 inches and connect the.

Within the first month it started cupping pretty much all over the entire house. Do you know whats going on when your hardwood floor starts cupping. The factors that affect moisture accumulation include season indoor temperature types of floor insulation and floor covering and type of crawl space see sidebar.

-I have a ridiculously large crawl space 6 to 14 high underneath over 2300 sq. Crawl Space Moisture and Hardwood Flooring Crawl Space Moisture and Hardwood FlooringTo understand the cause of wood floors cupping or buckling when youre sure there is no water damage due to a flood or leak you must understand the relationship between relative humidity your wood floor and your crawl spaceDuring the summer months in the. An engineer sent by the insurance company concluded that the crawl space was too damp and caused the new floor to cup.

Installing a hardwood floor directly over a crawlspace exposes the wood to moisture from the ground and from the air in the crawlspace. Hardwood Floor Cupping Problems. The reason the floors are cupping is that the cellulose in the wood is absorbing moisture and expanding.

My new hickory solid wood floors are beginning to cup as soon it got hot and humid outside. Cover the ground in the crawlspace with black plastic with a minimum thickness of 6 mils. Someone recently posted a post regarding 14 inch gaps in a hardwood floor.

I know it should have been a walk out basement but it isnt. Crawl Space Repair News. Weather patterns change to a more sub-tropical feel.

If you imagine a picture of a child drawing a boat in the water then the water will give you a good idea of what a cupped floor looks like. With the passing of Spring break and the upcoming Easter weekend days become longer and temperatures rise. I agreed that the floor did indeed cup because the crawl space was too damp but I also concluded that the crawl space had been damp for a long time yet the old flooring had not cupped because it had been properly acclimated to the higher.

The wettest wood and therefore the area with the most mold and cupping floors will be the area where the air first enters the crawl space. If the crawl space has any moisture problems then wood products should not be usedthe moisture will make the flooring rot and cup especially around any crawl space access doors in the floor. Dew point levels increase.

Crawl space repair will help you avoid unnecessary repairs create a healthier living space and save money on your utility bills. This sometimes happens when theres been a flood that has seeped into the floor. For the crawl space and other site related standards laminate manufacturers will often refer to NWFA guidelines.

The cupping may relax some if the crawl RH can be lowered quickly. Any wood floor can suffer from cupping. I tried to research the proper insulation to use and I went with a sprayed open cell foam under the subfloor.

Wood floors experience cupping when moisture becomes trapped underneath the wood. In this video I speak about this issue and how it can be a sign of moisture issues in y. Rather than hijack that thread I will start one here.

Here are the details. It ends up looking a little like an accordion. Within wood floors above crawlspaces in hot-humid climates IE climate zones 1A 2A and lower portions of 3A below the warm-humid line 1.

I live in Southeast LA and the house has a 3 crawl space under it. Whatever your issue we have the products and experience that you need to find the best solution. However the most common cause of cupping wood floors is due to humidity being trapped in the wood from below.

What Is Causing My Cupping Hardwood Floors. Excessive crawl space moisture may result in cupping bulging or swelling of the planks or blistering at the surface of the plank. Finally last month I did a little research and learned that it is often caused by moisture issues in the crawl space and that drying out the crawl space can help.

In our building science seminars we show a crawl space where mold is growing. Obviously the previous poster had a massive moisture issue. If your basement or crawl space happens to be affected by dampness it may cause cupping in the floorboards in the room above.

The crawl space subfloor underside MC measured 180. Hardwood Floors over crawlspace. The top of your flooring plank experiences a slightly different environment from the bottom of it.

BARRIER WATERPROOFING SYSTEMS 615 257-1060 View My Profile View Profile. These guidelines are excellent for both wood and laminate floors. I assumed there was nothing to be done and so lived with it for several months.

The National Wood Flooring Association. It is the start of the condensation season inside North Carolina crawl spaces. 99 of the time that moisture is coming from beneath the sub-floor.

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