When inspecting a home, the deck is often a favorite feature, but also a potential red flag. A thorough deck inspection goes beyond surface aesthetics, focusing on structural integrity, safety, and compliance with building codes.
Start with the ledger board, which anchors the deck to the house. This is a common failure point and should be securely fastened with lag bolts or structural screws—not just nails. Inspect for signs of rot, corrosion, or water damage, especially where the deck meets the siding.
Next, assess the posts and footings. Deck posts should be in good condition, free of cracks or insect damage. They must be properly secured to concrete footings to prevent shifting or settling. Be wary of any signs that the posts are directly in the soil, as this can accelerate decay.
Joists and beams provide the load-bearing strength of the deck. Look for any sagging, improper spacing, or signs of rot. Metal joist hangers should be securely attached and rust-free.
Railings and stairs are essential safety components. Railings must be sturdy, at least 36 inches high, and able to withstand 200 pounds of pressure. Check for loose balusters or rails. Staircases should have uniform riser heights, solid handrails, and no wobbling steps.
Finally, inspect the deck surface. Look for splintering, warping, or mildew, all signs of age and weathering. While surface issues may be cosmetic, they can also signal deeper structural problems.
A careful deck inspection ensures both safety and longevity, making it a key step in any home assessment.
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