Extrutech Rigid 3" PVC Door Sill, Item# CB2000, is of an exterior grade, hard, dense, foamed pvc, with a pitched raised surfaces on two sides; is 3" by 1/2" thick. Cut with standard power saws. Fasten with pan head screws through top to floor and available in 3', 6' and 12' foot lengths, with a weight of 0.25 lbs per foot.