Belgard® 16250971 3" x 12" x 10" Castlemanor® Grana Wall Cap Avondale - Belgard® Castlemanor® Wall System is a versatile, multi-piece wall system with multi-dimensional character. The variations in unit dimensions allow for the greatest degree of random layout. Each unit can be used in multiple positions within the wall, thereby decreasing total installation time. This wall cap features an avondale finish.