Decorate roof. Use red icing to pipe vertical lines on roof approx. 1 in. apart. Between red icing lines, use white icing to pipe a line of alternating beads then a line of zigzags. Immediately attach candy to zigzags. Use white icing to pipe zigzags on roof peak. Attach candy on roof peak. Use white icing to pipe a line of icing along roof edges. Pat smooth.