I can't vouch for the quality of their work because they failed to deliver when promised—twice. I ordered a skylight replacement and they said it'd take a few days. So I called back a few days later, and they said they needed two more days. I called back two days later, it still wasn't ready; this was on a Friday, and they said they would have it done by Monday and deliver it to me. Monday came and went, and still no skylight. Maybe you'll have better luck than I did.