AA

Metal building materials, namely, curtain walls, windows and doors made primarily of metal, window frames, storefronts, storefront framing systems comprise of metal frames, conservatories, rainscreen panels, railings, louvers, wall panels of metal for building interiors, and metal siding and soffit

Non-metal building materials, namely, windows and doors, window frames, frames for skylights, window shutters, wall panels not of metal for building interiors, and plastic siding and soffit for exterior use on buildings