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Receta What Do Solar and Roofing Have in Common?

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MJT Roofing New Jersey

MJT ROOFING is a family owned and operated business providing commercial roofing services in Northern NJ. With our 25 years of experience, we can provide long term solutions for your buildings at very competitive prices.
MJT Roofing New Jersey, New Jersey commercial roofing contractors



  • Who knew that solar and roofing had so much in common? Times sure have changed over the years! From time to time, we run into situation that makes us scratch our heads. Lately, solar installation on old roofs has taken over the top spot. As New Jersey commercial roofing contractors we have plenty of experience in this area.
  • Solar installation typically last for twenty plus years. So doesn’t it make sense that the roof it sits on should last that long as well? Some of the responses we’ve heard form owners have been, “The roof was in good condition and not leaking” or this one “The solar guy said he has a roofer who will add another ply of modified bituminous membrane and we’ll be good to go!”


  1. Our response is that your roof may not be leaking now but now has to mean 20+ more years. As far as “he has a guy…” the primary responsibility of the solar company is to sell solar and his roofing buddy will be used to install the bare minimum even if it’s wrong.
  2. Recently, we inspected a roof for a client who just purchased the building with a solar array on it. During our inspection, the roof felt spongy underfoot which most of the time means the roof substrate is wet. Core samples were taken and as expected, the roof was saturated and leaking.  What was most upsetting for the new owner was that the solar panels sat on a new modified bituminous roof that was installed on a roof that was already saturated.
  3. Because the deck was already showing signs of rust, the insulation substrate was now becoming a mold issue and the leaks, the roof had to be removed and a new roof installed. That was bad enough but to make matter worse, the solar array had to be dismantled, stored and reinstalled by a solar company. If you have ever experienced that, you know it sometimes can cost as much as the roof!
  4. For more information About …. MJT Roofing New Jersey  
  5.  What we recommend is before you sign a contract for a solar system to be installed on your roof, call MJT Roofing New Jersey and we will be glad to help. We’ll inspect your roof and provide a clear non-biased assessment of your roof and its longevity. If you need a new roof to avoid future problems, we’ll provide a proposal. Even if you have a new roof already, we can provide you with the help of working with the manufacturers to ensure your warranty is not voided.
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