PALO ALTO OFFICE BUILDINGS / Uncategorized / By admin We removed the existing tile and all the underlayment. We then installed two layers of self-adhered underlayment along with a clay bird-stop, then reset the original clay tile. Client: Orchard Commercial Location: Palo Alto, CA Square Feet: 38,000 Sq. ft. Industry: 2 Commercial Office Buildings Roof System: Clay Tile ReRoof