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%.
For example, two different shingles can use the same three basic colors (ie: light brown, darker brown and tan), but they can look entirely different depending on which is the dominant color and how that relates to the color of the house. Green roofs: These are tricky and done wrong more often than not.