Buy direct and save! That's the secret of Exterior Solutions, the Bay Area's top contractor for your window, door, and siding needs. Exterior Solutions buys direct from manufacturers like Milgard, Alcoa, and Certainteed and passes along the savings to you. Exterior Solutions offers more than low prices, though-we offer experience and excellence. Every Exterior Solutions project is completed by an experienced crew of experts that have been certified by the manufacturers.