Prevent Deck and Patio Damage from Hidden Moisture

Cost Savings

Checklist Tasks

• Inspect all fasteners for rust or looseness to stop structural failures.
• Check for soft or spongy boards by walking each area to catch rot early.
• Clear debris from between boards and pavers to prevent moisture buildup.
• Examine ledger board for gaps or missing flashing to prevent water entry.
• Test railings and stairs for wobble, tighten or reinforce as needed.
• Treat mildew or algae on shaded areas with oxygen bleach to avoid slips.
• Seal exposed wood with UV-resistant sealant every 1–2 years.
• Check under planters and rugs for moisture or staining from trapped water.
• Inspect concrete or stone for cracks and fill with flexible sealant.
• Make sure drainage channels and weep holes are clear.
• Trim vegetation at least 12 inches from edges for airflow and less mold.
• Verify all outdoor lighting and outlets are weatherproofed and functional.