Trim Boards & Sheets PVC Trim Boards & Sheets Products > Trim Boards & Sheets > PVC Trim Boards & Sheets 18″ NuCedar Shingle 7″ Exposure; 4 boxes per square, indvidual shingles; pvc 18" NuCedar Shingle quantity Add to Quote SKU: NCS18 Category: PVC Trim Boards & Sheets Related products 13″ NuCedar Shingle Add to Quote