How to Seal a Shed Roof

Many sheds have metal roofs because of the durability of the material. Although galvanized and sealed metal shed roofs are resistant to weather, unsealed shed roofs are susceptible. Moisture, carbon dioxide and air exposure causes unsealed metal shed roofs to corrode over time, which often results in leaks developing in shed roofs. Sealing metal shed roofs with fibered roof coating protects them from the elements. Fibered roof coating is pliable enough to allow for natural roof movement, yet tough enough to endure any weather.

Push broom
Garden hose
Rubber gloves
Full-length clothes
Wet-stick fibered roof coating
Wooden paint stirrer
Paint tray
Nap roller
Paintbrush

Instructions

- 1
  Sweep the shed roof with a push broom. Remove all twigs, dirt, leaves and debris from the roof.
- 2
  Rinse the shed roof thoroughly with water to wash away any remaining dust fragments or grime. Stand on the roof while spraying it with a garden hose. Let the roof air-dry for at least 24 hours.
- 3
  Gear up in rubber gloves and full-length clothes to reduce exposure to the roof coating. Stir the fibered roof coating with a wooden paint stirrer before pouring the coating into a paint tray.
- 4
  Coat the edges of the shed roof with the fibered coating using a nap roller. Make one pass around the perimeter of the roof.
- 5
  Cut in around roof pipes, skylights and other penetrations with the fibered coating using a paintbrush. Extend the coating 6 inches beyond the roof penetrations.
- 6
  Fill in the remainder of the shed roof with the coating. Using the roller, apply the coating back and forth over the expanse of the roof at the rate of 1 gallon of coating for every 100 square feet of roof.
- 7
  Let the sealed shed roof cure for three days.

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