Home Exterior Glossary
Understand the terms contractors use. From ice dams to R-values, this glossary helps Pennsylvania homeowners make informed decisions about roofing, siding, windows, and gutters.
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Fascia
The vertical board that runs along the edge of the roof, connecting the roof to the outer walls.
Flashing
Thin metal pieces installed at joints and transitions on a roof to prevent water penetration.
Fiber Cement
A composite siding material made from cement, sand, and cellulose fibers.
Freeze-Thaw Cycle
The repeated freezing and thawing of water in building materials, causing expansion damage.
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Ice Dam
A ridge of ice that forms at the edge of a roof, preventing melting snow from draining properly.
Ice and Water Shield
A self-adhering rubberized membrane installed in vulnerable roof areas to prevent ice dam leaks.
Insurance Claim (Storm Damage)
A formal request to your homeowner's insurance for repair or replacement costs due to storm damage.
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Ridge Vent
A ventilation opening along the peak of a roof that allows hot air and moisture to escape from the attic.
R-Value
A measure of thermal resistance—higher R-value means better insulation.
Roof Valley
The V-shaped channel where two sloping roof planes meet, directing water toward gutters.
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Soffit
The underside of the roof overhang, typically ventilated to allow attic airflow.
Square (Roofing)
A unit of measurement equal to 100 square feet of roofing material.
Shingle
A flat, rectangular piece of roofing material laid in overlapping rows to cover a roof.
Storm Damage
Damage to a home's exterior caused by wind, hail, falling trees, or severe weather events.
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