Optional
Seal and inspect the deck
Sealing protects deck wood from moisture, UV, and rot, and inspection catches loose boards and fasteners.
- How often
- Every 2 yr
- Who
- DIY
- Typical cost
- $30–$100
- Time
- 4 hr
Why this matters
Sealing protects deck wood from moisture, UV, and rot, and inspection catches loose boards and fasteners.
If you skip it: An unsealed deck rots and can become a structural and safety hazard.
Who should do it
This is a do-it-yourself task. With basic tools and a few minutes, most homeowners can handle it without hiring anyone.
When to do it
Aim for summer. Timing it with the season keeps your home ahead of the weather. Repeat every 2 years.
Frequently asked questions
How often should I seal and inspect the deck?+
Plan to seal and inspect the deck every 2 years. Sealing protects deck wood from moisture, UV, and rot, and inspection catches loose boards and fasteners.
How much does it cost to seal and inspect the deck?+
It typically runs $30–$100. This is a do-it-yourself task. With basic tools and a few minutes, most homeowners can handle it without hiring anyone.
What happens if I skip it?+
An unsealed deck rots and can become a structural and safety hazard.