New Castle Metal offers a line of penetration flashings specifically engineered to protect vulnerable rooftop openings and ensure seamless, watertight integration with low-slope roofing systems. These flashings are essential for encasing rooftop penetrations, such as HVAC curbs, pipe stacks, conduits, vents, and drains, where waterproofing failures are most likely to occur. Our solutions are designed to deliver long-term durability, energy efficiency, and ease of installation across a variety of commercial, industrial, and institutional roof assemblies. Each penetration flashing component is custom fabricated to the precise dimensions of your job site, eliminating the guesswork and field modifications typically associated with off-the-shelf products. Our flashings are compatible with all major roofing membranes and are fabricated using high-performance metals available in a wide range of gauges, finishes, and colors. Whether you're protecting new rooftop equipment in a high-rise development or reinforcing a retrofit application in a manufacturing facility, New Castle Metal’s penetration flashings simplify installation, reduce on-site labor costs, and provide long-term reliability. All components are fabricated locally at our facilities in Hicksville and Long Island City, NY; Norwalk, CT; Mountainside, NJ; Bensalem, PA; and Baltimore, MD. New Castle Metal delivers penetration flashing systems that outperform expectations, no matter the complexity or scale of the project. Contact your nearest location today to learn how we can support your next roofing system.
Cap & Sleeve Vent Pipe Flashing
Vent Pipe Flashing & Rain Collar
Lead Vent Pipe Flashing
Post Base Flashing
Pitch Pocket
