We had all our old style 1950's windows replaced with double pane glass vinyl windows by Cornerstone. They provided the best quote of 3 Torrance retailers and had the best quality. The day of the install they had a professional experienced crew that removed the old windows carefully without damaging the framing and installed the new windows. They provided us a reference list of hundreds of satisfied Torrance customers so I have to seriously doubt the credibility of the prior bad review. They are very customer oriented and after the job was done our consultant came out to visit us to make sure we were satisfied and happy. If you need new windows this is a reputable well referenced company. They are so well known in Torrance as a good business that I have to doubt any bad review as bogus.
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