Assuming they were fresh all along, it depends on what age they were when you bought them. I canât really give you a general guideline because how long they were sitting fresh at the store (and how they were handled before they got there) will likely change how long they can sit in your fridge.
Effects of roofing shingle color on energy efficiency. Tweet. The color of the shingles you choose for your build can have a significant impact on the buildingâs energy efficiency. The color shingles your clients choose can have significant effect on the temperature of the upper levels of the building. Attic temperatures can vary as much as 20 to 40 degrees F which in turn can reduce energy consumption by 20%.
Such a roof can be 50 or 60 degrees cooler than a dark shingle roof! Topics: metal roof colors, best colors metal roofing, color options metal roofs. Craig It's amazing how versatile a metal roof can be. Some of those roofs would be hard to tell that they were metal.