Don't believe the Angie's List reviews; poor attention to detail and promises not kept. A three-day job turned 4.5 days gave plenty of examples of why these guys need to stick with commercial, as their residential installation is weak. Gates close poorly, wood placement gave no consideration to how things are seen from the house/entries, and they left a mess. Sierra talks a good game, but follow through is sub-par; C- at best.
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