Milgard extends a Full Lifetime Warranty to the original purchaser of Milgard® windows and patio doors, which includes Tuscany® Series, Montecito® Series, Style Line® Series, Ultra™ Series, Essence Series® and Aluminum. Moving Glass Wall Systems are not included. Milgard will repair or replace any defect in materials or workmanship and will pay the costs of all parts and labor for as long as the purchaser owns his home.