Decking
The wood base supports the roof and holds fasteners. Deteriorated sheets need correction before a new covering can rely on them.
Follow the Roof’s Water Path
The covering handles normal water flow, while details at walls, valleys and openings route it around interruptions. Underlayment supports the covering, but it cannot make every failed intersection watertight by itself.
The Layers Beneath a Shingle Roof
Each part has a different job.
Underlayment and vulnerable-area protection
These layers support the water-shedding system and protect specified locations. Their laps and transitions need to align with the way water moves.
Shingles and accessories
Courses overlap from the eave upward. Starter, ridge and compatible fasteners complete edges and high points rather than leaving them as afterthoughts.
Flashing Connects the Roof to the Building
A wall, chimney or pipe interrupts the covering. Flashing bridges the intersection and directs water onto the next weathering surface.
The concealed connection matters as much as the visible metal. A bead of sealant across the exposed joint cannot replace a proper overlap behind it, and water can follow the underlying structure before it appears inside.
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Water Entry and Attic Moisture
Similar indoor marks can come from different conditions.
Roof leak
An opening in covering or flashing admits water from outside. The repair follows the water path to its source.
Moisture and airflow
Indoor moisture and a blocked attic airflow path can contribute to condensation. Ventilation, insulation and moisture sources need to be considered separately from roof covering repairs.
Have the Whole Roof Considered
Call about the symptom you have noticed. The inspection can work back to the detail that needs attention. Call (816) 837-4667 or request a free inspection.
Call (816) 837-4667