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For most people, summer is the best season to clean roof shingles. You want a day with dry weather and comfortable temperatures. In hot climates, late spring may work better for washing shingles. Avoid cleaning roof shingles at any time where ice could form from applying water in low temperatures.

Moss grows in dark areas of roofs, including in corners and gutters. If left alone, it can grow under roofing and cause permanent damage. Here’s how to remove moss from metal roofs: 

• Soak the moss to soften it

• Scrub it away with a soft-bristled brush, or pick it off with your hands (be sure to wear gloves)

• Use a moss remover that’s compatible with metal roofing, following the manufacturer’s directions

• Remove dead moss and rinse the roof thoroughly

• Prevent future moss growth by trimming branches, cleaning gutters, and attaching zinc strips to moss-prone areas

To prep for metal roof painting, have a roof inspection conducted to determine the condition. Complete any repairs required before you paint. Remove the old paint on your metal roof, if any, remove rust and mold with a wire brush, and power wash the surface. Once the roof is clean and dry, start with a primer get painting.

Yes, gable vents can let water in. That being said, this usually only occurs during extreme conditions like heavy rainfall. You can prevent water from entering through gable vents by adding a screen that traps the water before it can enter.