I had mark and co install windows and a front door at my house and it turned out beautiful. The problem we had is about 2 months later a gap developed under our front door letting rain and cold air in. I called and left a message with them and had no response. Called a week later and was told no one could make it out this week. Another week went by and received a call from them stating they were still trying to get someone out to look at it. It has been over a month now and still haven't seen anyone so I had someone else fix it. Wish I could have left a positive review.
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