
Flat Roofing
Flat Roofing Solutions for Long Island Properties
Flat roofs require specialized installation to avoid pooling water, drainage problems, and early failure. At Bonac Builders, we install flat roofing systems that last, from re-pitching older roofs to installing new drainage and waterproof membranes, our team delivers solutions tailored to your home or business.
Flat Roof Installation & Repair Services
Re-pitching and slope correction
Drain installation and repair
Seamless Waterproofing and Protection
Liquid membrane application
BlueSkin, Ice & Water Shield
Integration with siding and gutters
Flat Roofs Built for Long Island Weather
Expert handling of snow loads and wind
Fully insured, licensed, and local
Flat Roofing Contractors on Long Island
From Hampton Bays to Easthampton, our experienced crews have installed high-quality flat roofing on homes across Suffolk County. We’re known for expert craftsmanship and responsive service.
Flat roof leaking or aging out? Call Bonac Builders for trusted solutions and a free estimate.





