- Louver, Rail, Stile, Frame, Strip - Material: PVC - Color: Classic white, White, Off-white - DIY parts - FSC Certificate 1. Shutter components Louver, Reinforced Louver, Rail, Stile, Frame, Strip, Tilt Rod, Hole strip, T-post.2. Material Foaming PVC3. Tolerance Width: +/-0.6mm Thickness: +/-0.3mm4. Application Window shutter, Door shutter.5. PVC Advantage Water-proof, Fire-proof, Termite-proof, ...