Shadow Ridge D5″ Dutch Lap, 12′ long. Distinctive dutch lap profile that gives a home an old-fashioned dimensional appeal. Shadow Ridge has an authentic wood grain finish and deep shadow lines that make a striking statement-even from the curb. .042″ thickness, combined with a 1/2″ panel projection, delivers premium panel performance on the wall. 20-pieces of siding per carton, or 2 squares per carton. Georgia Pacific Shadow Ridge vinyl siding is covered by a limited lifetime transferable warranty.