Having a problem with hardwood floors. Prefinished hardwood floors that were installed 8 months ago are beginning to split. First a line appears in the finish and then a crack appears. Some are several inches long. The wood is 2 1/4 inch wide tongue and groove. The manufacturer is Mullican and I am uncertain of the wood type, may be hickory. I think this damage is defective wood in the manufacturing process. Does anyone have any idea?
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Maybe your humidity is too low.
Thanks for the suggestion. I think with a new build and controlled conditions such as air conditioning and furnace with humidifier that may not be the answer. Wouldn't the humidity be higher above the floor than below. I would think the finish would prevent surface air humidity to cause the problem. The unfinished underneath would most likely expand causing the top to compress not the other way around. What do you think?
Is this solid wood or engineered?
Solid with a brand name of New River Hickory.
Seems really odd if your humidity is between 30 and 50 and you acclimated before installation. As far as a manufacturing defect, with the solid wood, all they are really doing is milling and drying it, then putting on their finish.Maybe someone else will jump in here. Sorry I wasn't more help.
Just to add, maybe your lot of flooring was dropped at time, splitting just slightly along grain and is now coming through.
More about what's below it and how it was put down?
Remodeling Contractor just outside the Glass City.
Quittin' Time
This could be an installer issue as well, 'cuz each piece should be checked (especially with solid hardwood) for defects before installations. I would contact the flooring sales guy to come and take a look, and if he 'passes the buck', you might want to involve the manufacture of the hardwood. I say this because this has happened to me before and the flooring salesman blamed the product and when the manufacture was contacted they came and did a lab test and found that it was improperly installed (and vise versa).
Hope it all works out for ya!