I’m not seeing any areas of moisture damage on the wooden subfloor plus the original hallway wood floor has no issues and it is over the unconditioned garage. If the slab has not been properly dried, moisture problems are almost guaranteed with wood flooring applications. My great-grandfather, grandfather, father, uncles, husband, and son are in this business or have been. Thank you for your valuable resources keep share the information like thisâ¦. As the wood expands, compression can result as the boards are crushed together, deforming the boards at the edges. I have had Hartco engineered flooring for 20 years never checking and Mirage engineered wood flooring12 years and they never had checking. Here’s the mysterious part – after pulling out the dishwasher and inspecting it (and the area in which is rests) and fully inspecting the sink and and cabinet underneath – everything there is perfectly dry. My husband and I are both really really upset over this. Obviously, this is all based on issues like the leaky pipe are fixed. Clean up any spills completely and quickly, and donât use water when you clean. This year I started noticing black bubbles on 2 boards in front of the windows now it is 6 boards .I clear caulked the windows just in case no bulking or popping up no one has ever seen anything like it that has seen it . Good luck. Hardwood flooring looks stupendous and even the most expensive marble cannot bring in the feeling that hardwood flooring can in the house. Iâm hoping when the heat comes on in winter that the floors will evenout. It is rented as a Gite and now customers complain about the noise. You may contact me at 800-634-9961 X235. We installed Morning Star Bamboo in our living rooms and kitchen. Over the last year we have noticed that our flooring is separating a lot in several places. For instance, there might not be adequate expansion gaps around the perimeter of the floor. Have I done something wrong while installing the hardwood floor, or is the sub floor uneven? When we pulled the antique pine board up the moisture reading was 6%. The entire 1st level is wood except for the master suite. Could this be due to the quality of the board or some other reason? Last month in the entryway hall we started seeing some rippling, a couple of 3″ long , narrow bubbles, and a little bit of lifting where some of the board ends meet. How can we fix this. House is under renovation and I’m looking into refinishing the floors as the last step of the reno. On the first (main) second (back bedroom), and third (master bedroom) floors, there are issues with the subfloor and leveling of beams which have resulted in raised bubbles and squeaking. Depending on the severity and cause of the issue, buffing may be an option. I have oak hardwood and there is an area in my living room that just a week ago is producing bubbling through the cracks. I need to figure out where the water is coming from but cannot see anything obvious. Use the recommended number and type of fasteners when installing the planks to a wood subfloor. Up until recently, my eng.wood floors looked great, with a smooth surface, and sat perfectly flat and solid onto of the cement. Was he feeding me a line? It was not moving whatsoever, we watched for several minutes! Sometimes it is worse than other times. I hope this helps. This can occur after water spills onto the floor and is absorbed by the wood. I always assumed the spots were from the house settling over the years but Iâm a little concerned now. Not saying itâs not possible, just seems unlikely. Any ideas what or where we should be looking for? The house is a 1927. Thanks for the questions and I am sorry about the floor. Whether that is due to incorrect acclimation of the product, installation practices, or changes in the ambient conditions, itâs hard to know without actual information from prior to the installation to now. We got a call from our GC that the floor near a window in the den was bubbling… better description is buckling but that was the word he used. Thanks for the comment/question. Once the floor is dry, assess the wood floor water damage to see if you need to replace any planks. If expansion is severe, they can be subject to buckling. This house was built in 1953 and the previous owners never had one and we haven’t either. Do you have a recommendation on who I can call to check it out in Dallas? If the wood absorbed the moisture/water from this and expanded, you may have a situation that causes symptoms of this nature. Great question. Thanks for your help. It just means that if the humidity rises around the wood a bit the wood absorbs some of the water. I’d suggest trying to locate an ASHI-certified home inspector in your region to take a look at this and determine the source. The floors on the first floor installed on the concrete are fine and perfect. This will not only help keep my house warm and safe but also know whether they needed to be replaced and refinished before the first snow falls. The best way to verify is to have a qualified flooring inspector come out and evaluate the situation. The Rapid RH® L6 system is the fastest, easiest way to test concrete moisture in compliance with ASTM F2170. Three weeks after installation it has developed checking. If the bow is very large, you will have to remove it and replace it. Many times this is caused by inconsistent relative humidity and temperature conditions either in the occupied space or in the crawlspace. Often after a floor joist or joists are too dry an ASHI-certified home inspector in your area and have give. 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