A few months ago, at the insistence of my wife, I had a company install a new sliding patio door (glazed), plus and sliding screen door screen door. The screen door being lighter, glides perfectly. The glazed door, however, does not. After several call backs re alignments, it closes properly, but it is extremely heavy to move. My wife, who suffers from arthritis, and my young grand-children can open and close it...just. The installing company keeps saying it will get better...but it hasn't. Rather than hassle further with them, I would rather try to fix it myself. I am thinking that replacing the rollers with higher quality ones with larger diameter wheels might do the trick, but before going down this path, I though I should seek the wisdom of those that know better than I.


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