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Flat Roof Vent Leaks

Leak Detection

Fix Your Flat Roof Vent Leaks

Roof vents are a common entry point for water on flat roofs. Our team locates and seals vent leaks quickly to prevent interior damage and mold growth.

  • Accurate leak source diagnosis
  • Plumbing stack & HVAC vent repair
  • New lead & EPDM boot installation
  • Membrane repair around penetrations
  • Sealant & caulking replacement
  • Interior damage assessment
Fully Insured 5-Star Rated 15-Min Response

Roof vents — including plumbing stacks, HVAC curbs, and exhaust vents — are penetration points that require proper flashing and sealing to stay watertight. On flat roofs, standing water increases the risk of vent leak infiltration significantly.

Madison Construction NYC specializes in locating and permanently repairing flat roof vent leaks. We inspect each penetration, remove deteriorated flashing and sealants, and install new materials rated for flat roof systems. We also check surrounding membrane for related damage.

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