Alex Courpas is very professional,. He greeted me with a smile and was very enthusiastic about his work. Alex took his time he explained everything to me what was what he was going to do in once he completed his work he showed me pictures of everything that I need it and everything that was completed. I appreciate the fact that he was attentive and responsive to every question that I had he was knowledgeable of his job and I will give a rate him or five said he did a great job and he made me feel like I was on the roof with him.