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%.
Algae: They like dampness and shade, so algae spores can grow on wood shingles or shakes and asphalt shingles that donât get much sunlight. Because roof algae retain moisture, they can cause shingles to deteriorate and eventually rot completely. Algae also like the humid conditions in gutters and downspouts and can grow there as well. Algae are recognizable by their black-green coloring. Moss: It likes moisture, so it typically grows on moist wood shingles or shakes. As the moss grows, it contains even more moisture, all resting on the surface of your roof.