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I am having a new roof installed on my house. I am doing a compete tear off and have one concern. My contractor tells me that he wants to do the work in late September or October. I live in Pennsylvania where the weather gets cold early in the fall season. I recall that it is best to install in new roof in the spring season because you will have several months of hot temperatures to seal the shingles to each other. Don’t shingle have tar spots on the backside that melt, sealing the lower part of the shingle against the top of the lower shingle course? If this is true, how hot does the roof have to get for this melting to take place? Will 3 weeks of 60-degree days do the trick? I believe that you need 2 months of 120+ degree roof temperatures to get proper sealing. Any advice or comments are greatly appreciated!
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I am having a new roof installed on my house. I am doing a compete tear off and have one concern. My contractor tells me that he wants to do the work in late September or October. I live in Pennsylvania where the weather gets cold early in the fall season. I recall that it is best to install in new roof in the spring season because you will have several months of hot temperatures to seal the shingles to each other. Don't shingle have tar spots on the backside that melt, sealing the lower part of the shingle against the top of the lower shingle course? If this is true, how hot does the roof have to get for this melting to take place? Will 3 weeks of 60-degree days do the trick? I believe that you need 2 months of 120+ degree roof temperatures to get proper sealing. Any advice or comments are greatly appreciated!