- 1). Remove all furniture and objects from the deck.
- 2). Brush off debris with a broom.
- 3). Spray down the deck with a garden hose to wet it.
- 4). Cover any surrounding plants near the deck with protective sheets.
- 5). Combine commercial deck cleaner and water in the ratio described on the packaging instructions, then spray it evenly onto the deck's surface with a garden sprayer.
- 6). Rinse the cleaner off the deck with a garden hose after it has set for 15 minutes. Scrub any tough stains with a nylon brush. Allow the porch to dry for at least 48 hours before continuing.
- 7). Fill a clean garden sprayer with deck sealant intended specifically for use on mahogany wood.
- 8). Spray the sealant onto the deck in long, sweeping strokes. Allow it to dry for 24 hours, then apply a second coat. Wait at least 24 hours before returning furniture and using the deck.
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