Made in the USA, this Duro-Shield single flue multi-fit aluminum chimney cap by HY-C is a smart choice for chimneys everywhere. The hood is made from 18-gauge diamond embossed aluminum and the mesh is a 16-gauge aluminum expanded metal. The braces are 1/8" and 1" extruded aluminum. The Duro Shield is easily installed with stainless steel nuts and bolts.