Roof Jack / Vent Flashing

Related terms

• Flashing

  Thin water-resistant material installed at joints and transitions (roof-to-wall, around windows and penetrations) to direct water away an…

• Penetration

  Any object passing through the roof (vent, pipe, skylight, chimney). Every penetration is a deliberate hole that must be flashed to stay…

• Roof Leak Tracing

  Diagnosing the entry point, which is usually uphill of the interior stain — most leaks originate at flashings and penetrations, not the f…

• Roof Inspection

  A professional condition assessment estimating remaining life and finding damage — recommended before buying a home, filing a claim, or b…

• Roof Life Expectancy

  Typical service life by material — ~15–30 yr architectural asphalt, 40–70 yr metal, 75–150 yr slate — driven heavily by ventilation and i…

• Roof Estimate / Measurement Report

  Aerial or measured takeoff (squares, pitch, features) used to price a roof accurately and order the right material and waste.

• Roof Maintenance Plan

  Scheduled inspections and minor repairs (sealant, boots, debris, gutters) that materially extend roof life and preserve warranty coverage.

• Roof Drain / Scupper

  Low-slope roof drainage — an internal drain or an edge scupper. Undersized or clogged drainage causes ponding and structural overload.