On the company’s website, Sherwin-Williams explains its intumescent coating products this way: “When in its natural state, intumescent coatings ... noting that testing was still ongoing ...

Appearance after three years summarizes performance after one year of our accelerated weathering (i.e. equivalent to three years on a vertical wall). The Sherwin-Williams Emerald Exterior is part ...

Appearance after three years summarizes performance after one year of our accelerated weathering (i.e. equivalent to three years on a vertical wall). The Sherwin-Williams Duration Exterior is part ...