How Do You Know When to Replace Deck Boards

Erosion around the Post. Most decks sit on strong posts set into concrete or simply anchored deep in the ground. … Extensive Deck Surface Damage. … Gaps between the Deck and House. … Rotten Posts. … Unstable Railings. … Widespread Discoloration and Stains.

How do I know if my deck boards are bad?

• Bad Ledger & Deck Frame.
• Split or Cracked Boards.
• Peeling and Flaking Paint.
• Wood Looks Dry and Old.
• Splintering Boards.
• Rotting (Mold & Mildew) Visible On Planks or the Deck Frame.
• Many Raised Screws, Loose Screw Boards.
• Faded and Discolored.

How long will deck boards last?

A deck made of untreated wood can last anywhere from 10 to 30 years. Decks made of treated wood and composite materials can last as long as 50 years.