Rust-Oleum Wood & Fiberglass Primer Satin Quart is specially formulated to prepare surfaces for painting. This primer enhances adhesion and provides a smooth base for topcoats on wood and fiberglass surfaces. The satin finish offers a subtle sheen, making it ideal for both interior and exterior applications. The quart size is perfect for smaller projects, ensuring you have enough product for thorough coverage. This primer dries quickly and is easy to sand, allowing for a professional finish. Compliant with industry standards, it ensures durability and longevity of your paint job.