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How to Fix Pop Up Laminate Floor

i put in new laminate floor last winter it look find until now some part of the floor is popping up like a ballon need your help how to fix it without tearing out the floor

thank you very much

Asked on Jul 14, 2010Improve / edit this question

7 Answers

Daniel Snyder   L6: Pro (Ambassador: L2)   367 answers   +915 votes
This answer has +4 votes  by

I am assuming that you are talking about a wood laminate floor; it sounds like you did not leave enough of a gap along the walls and it has expanded due to temperature and/or moisture.  You probably have to remove the base molding around the perimeter of the room and see if it is touching anywhere.  You would need to cut away the flooring so that it is 1/2 inch from the wall, although since it has expanded, 1/4 inch is probably good enough since it will shrink back when the temperature and humidity levels drop back to what they were when the flooring was installed.  It may only be possible to do this by removing the last course of flooring and rip down the width on a table saw and then reinstall the floorboards.

If there is a gap around the perimeter of the wall the flooring may have gotten wet from underneath or from a spill.  If the flooring was installed over concrete, you may have a moisture/condensation problem.  It may be over a basement or craawlspace that is damp.

If you are talknig about a vinyl floor, the underlayment has detached from the subfloor.  The vinyl needs to be pulled back and the underlayment refastened with staples or nail, the nail holes patched with a floor leveler, and then the vinyl reglued.

Posted on Jul 14, 2010
TipTop Flooring   L2: Contributor   1 answers   +2 votes
This answer has +2 votes  by

Hello!

These are either a convex or a concave curvature of the planks, usually caused by excess moisture—either dampness rising from the subfloor, lack of a sufficient moisture barrier, and/or high humidity in the room. Another common cause is using too much water in cleaning the laminate floor.

The tension occurs most often around the walls where the flooring abuts, and to repair the problem the basic goal is simply to decrease that tension.

  • Remove molding
  • Replace the Spacers

When the flooring was installed, spacers were placed between the wall and the closest floor board. These were put in place to support the flooring between the boards and the wall. Remove these spacers and install smaller ones to provide more room for the expanded floor boards. Next, push down on the buckled area or peak. If it does not disappear with pressure, use smaller and smaller spacers until the peak disappears.

  • Reinstall the molding

Best regards

 

Posted on Aug 27, 2010
Tony Perez   L1: Member   4 answers   +2 votes
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You may be able to repair it however, over my last 31 years I have seen this condition many times, it will probably come back and even spread due to moisture vapor in the sub flooring. Have the moisture content and RH checked.

Any other question www.ASKinspector.com

Posted on Sep 8, 2010
Melissa Lowe   L3: Expert   41 answers   +14 votes
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Have you fixed it yet? These previous answers are good, but without more detail it is really tough to know what the actual problem is. Can you post pics? Is the floor below grade? What is the laminte material made of, and where, exactly, is the 'balloon' swelling taking place, how large  is it, and did any known incident (such as a spill, pet accident, or leak) precede the swelling? What does the subfloor consist of, and what sort of barrier did you use underneath? By balloon, do you mean that the entire floor is lifting, or that there is a separation between laminate layers...or simply a 'swollen' area somewhere?

Posted on Apr 11, 2012
shane ross   L1: Member   2 answers   +0 votes
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just read this and i have a similar issue.  laid some laminate across the downstairs of a 2 up - 2 down house.  Its popped in 3 places: at the front door, at the stairwell and at the door under the stairs.  Its laminated flooring laid on a basic cheap underlay (thin polystyrene roll) and the base floor is concrete.  I left an expansion gap when i fitted it of about 10-15mm.

Posted on Jun 25, 2012
shane ross   L1: Member   2 answers   +0 votes
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forgot to say - i fitted it 6 months ago

Posted on Jun 25, 2012
Daniel Snyder   L6: Pro (Ambassador: L2)   367 answers   +915 votes
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Shane,

Another issue besides the expansion gaps around the perimeter is that the flooring should be set in the building it is being installed for about 24 to 48 hours so it can acclimate to the surroundings. Even though it was installed 6 months ago, it may have been dried before it was installed in your home and has since expanded due to the humidity. You might want to check the humidity levels in the areas where the flooring is buckled. The only way to fix it is to remove the last row along one wall and rip down the boards to allow for more room. You will probably have to install shoe moulding or quarter round over the edge when you are finished re0installing the flooring. If you already have moulding installed over the floor, this may be too tight and preventing it from moving.

Posted on Jun 25, 2012

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