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%.
A shingle roof generally lasts twenty to fifty years. This covers a number of types of material including composition shingle, asphalt shingle, dimensional shingle, 3-tab shingle and more. Shingles come in four major varieties: 20, 30, 40 and 50-year. These are, as you can see, categorized by their life-expectancy.