Flag Waterproofing & Restoration | Waterproofing & Roofing in Long Island City, NY 11101

We frequently handle roof valley leaks and ridge cap damage, which are common due to the area's weather and building age. Our certified roofing teams assess the specific cause—often worn flashing or compromised seals—and provide a repair or replacement using durable, approved systems like Kemper or Siplast to ensure long-lasting protection.

Our team includes craftsmen who have been with the company for decades, applying knowledge gained since 1986. This experience means we understand how materials perform over time in local conditions. We reinvest in advanced techniques and certified materials, ensuring your project receives proven, reliable solutions backed by a commitment to quality.

Yes. We are experienced with Local Law 10/80 & 11/98 Repair Programs. Our masonry specialists assess and execute the necessary repairs to meet compliance, integrating waterproofing and restoration to address both safety requirements and long-term building protection.