How Binder Chemistry Influences the Durability of Acoustic Spray Ceiling
An acoustic spray ceiling looks like a single material. A soft, textured surface applied in one continuous coat. But underneath the texture, there's a chemistry at work. The binder is the glue that holds the fibres together and sticks them to the substrate. It's the difference between a ceiling that lasts a decade and one that sags, cracks, or peels within a few years. Most specifiers focus on thickness and NRC. Those matter. But the binder is what makes the performance last. It determines adhesion to the concrete or plasterboard. It controls how the material responds to moisture and temperature swings. It even affects fire performance and indoor air quality. For anyone specifying acoustic spray, understanding binder chemistry explains why some products cost more and perform better. It's not just the fibre. It's what holds the fibre together. The Binder Holds Everything An acoustic spray ceiling is a mix of fibres, fillers, and a binder. The fibres create the porous ...