Product Description Coat right over peeling paint with Rust-Oleum Zinsser Peel Stop Triple-Thick Primer. This high-performance, low-VOC, water-based binding primer locks down and hides peeling, weathered surfaces, creating a smooth, white finish for your top coat. From the Manufacturer Coat right over peeling paint with Rust-Oleum Zinsser Peel Stop Triple-Thick Primer. This high-performance, low-VOC, water-based binding primer locks down and hides peeling, weathered surfaces, creating a smooth, white finish for your top coat.