Platinum Exteriors is a Westminster, Maryland roofing and siding company specializing in repair and replacement of roofing, siding, windows and doors. As a small, family-owned business, we are able to provide individual attention and quality service to each customer, which weve been doing for the past 15 years. MHIC# 95599 Services we offer include: Roofing Repair, Siding Repair, Windows/Doors Replacement, Deck and Porch Remodeling and Basement Remodeling. Visit our website for more information or to schedule a free estimate.