Decks can experience rotting, warping, cracks, and insect infestation, causing both cosmetic issues and safety hazards. Similarly, porches and patios can experience hazardous wear and tear, including structural failures, poor drainage, uneven settling, and weed infestation.
Optimal
Deck structure is solid with no signs of rot.
Cautionary
Some wear on the deck surface.
Hazardous / Out of Range
Structural damage or instability.