Interior Guards LLC specializes in Residential and Commercial Window Tinting MD VA & Washington DC. We are an exclusive, customer-oriented dealer and window tinting installer providing exceptional expertise in Sun control window films, Fasara Decorative window films, and Safety and Security window films by LLumar, and 3M™ Decorative Films. Interior Guards Window Tinting, LLC is a family owned business which was being providing installation since 1991. During the past 25 years we have of grown into one of the largest and strongest window film companies in the Maryland, Virginia & Washington DC regions. Interior Guards window tinting serves a range of clients: from home owners who wants to minimize their electrical bill, reduce glare or simply beautify their home, to larger commercial clients such as The Washington National Stadium and CitiBank.