Challenge: 40-year-old concrete tile roof with underlayment failure causing multiple interior leaks in a prestigious Elk Grove neighborhood. Solution: Careful tile removal, full underlayment replacement with GAF Deck-Armor and Boral TileSeal HT, reset of salvaged tiles with color-matched replacements, and new copper flashings at all penetrations. Results: Original aesthetic preserved. New 30-year underlayment system. 15% energy efficiency improvement. All leaks eliminated Customer review: "They treated our historic home with care. The roof looks brand new but maintains its original character. True craftsmen." — The Martinez Family