TPO Retrofit Roof Drain Stainless Steel this vent is built to

this vent is built to last

Sandblasted flashing provides superior adhesion for waterproofing membranes

Made in the USA: Thunderbird Products takes pride in offering high-quality roof drainage solutions manufactured in the USA

long-lasting durability

American-made shower drainage solutions

TPO Retrofit Roof Drain Stainless Steel this vent is built toUpgrading your existing roof drainage system doesn't have to be a complex or time consuming process. The Thunderbird Products TPO Retrofit Drain offers a fast, watertight, and cost effective solution for transforming your roof's drainage performance. Features The TPO Clad flange of this drain perfectly adheres to your existing TPO roof membrane using a simple heat welding process. No messy glues or silicones needed! This ensures a watertight seal and