Is here any process to plane or adjust Pergo laminate flooring after it is already installed?
Answers: You can confidently solve the problem by lifting up the affected planks and putting some cardboard or roofing shingles underneath there. Your out-of-date Pergo boxes will work. The problem needs to be corrected because after you step on it several times the tongues will reduce and break and the boards will separate.
Of course if the area is never walk on that wont be a big concern.
being that its within a corner the best way would be to verbs up that area and height it. if you are not to crazy about that you could trying to use shim beneath the spot and attach flooring to it so that quarter covers it, if its a fairly immense area you could use several shims even layer of cardboard will take the dip/ sink
out
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