The attic showed staining and apparent damage to the roof decking
What we found
During the attic inspection, staining and apparent damage were observed on the roof decking — the large panels of wood that form the solid surface the shingles lie on top of. The staining pattern was strongly suggestive of water intrusion through the roof assembly.
Why it happens here
Roof decking is the structural skin that ties the roof framing together and gives the outer roofing materials something solid to fasten to. When water works its way through the roof assembly and reaches the decking, it soaks into the wood and can weaken the panel over time. Staining is one of the signs inspectors look for that water has reached this layer.
What it means for you
Water reaching the decking can affect the structural framing around it, the insulation nearby, and interior finishes below. A roofing professional can determine whether the source of intrusion is active, and whether the decking itself needs repair or replacement. This condition may also have implications for homeowners insurance coverage and eligibility.
What to do
Have a qualified, licensed roofing contractor evaluate and repair this before you take possession of the property. Pinpointing the exact source of intrusion — whether failed flashing (the metal strips that seal joints and edges), deteriorated shingles, or a compromised seal around a pipe or vent — typically takes an on-site inspection by a roofing professional.
How common is this
Roof decking staining is something inspectors actively look for and routinely report. Getting a roofing contractor involved to assess and address it is a standard next step.
A licensed roofing contractor is the right person to trace the source, assess the extent of the damage, and tell you exactly what the repair involves.
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