How to Fix Squeaky Carpeted Stairs from Above?
If your stair is squeaking at the back, then it is probable an trouble with the tread and the riser rubbing together. This can occur for any range of reasons, however thankfully it is one of the easiest fixes. All you want to do is slip a piece of paper down the returned of the tread, between the tread and the riser.
Then, use a lubricant like...
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