This trim will be cut and finished per your specifications. Exposed face of cut raw foam shape is wrapped with netting which in combination with acrylic polymer modified cement basecoat provides a hard shell over a foam core shape. Foam contains no formaldehyde, no HCFC’s, no thermal drift, and is non-corrosive. Benefits of foam trim over wood trim are that it will never change its shape (twist, warp, split etc.), it will never rot, minimal to none maintenance, it will not get destroyed by termites, limitless and attractive forms of design and ease of installation and repair. It will arrive ready to install.