Dynamic and challenging weather conditions are the norm on barrier islands like Assateague, as seasonal weather patterns and occasional large storm events continuously reshape the landscape. Indeed, Assateague owes its very creation as a National Seashore to the weather. In the 1950's, some 5,000 private lots comprising what is now National Park Service land were zoned and sold for resort development.
After 3-12 months you would need to apply a wood cleaner to remove the gray wood cells. This can be done with scrubbing and or light pressure washing. After cleaning the deck you will need to neutralize the wood deck cleaner with a wood brightener. Let dry for 24-48 hours then apply your deck stain of choice.
Roof: remove moss and mildew with a pressure washer. Tiled roofs are ideal for pressure washing. Solvents are available for rooftops. This would take 2-3 hours and would cost between $120-$300. Decks, porches and patios: rope a professional to transform the outdoor space for minimal additional cost. Pressure wash the deck, porch and patio for an additional 1-2 hours. This would cost between $60-$200.