Product Info Catalog Building Materials Walls & Siding Moulding 8' WHT OG Base Molding 8' WHT OG Base Molding Request a Quote UPC: 765096855681 Manufacturer: Inteplast Building Products SKU: 227385 Model Number: 56330800032 3/8" x 3-3/16" x 8', Crystal White, Pre-Finished Polystyrene Interior OG Base Molding.