Storefront installation


When in need of aluminum storefront windows installed whether a repair to an aluminum door,replacement of glass, or fabrication of framework,Preferred has the parts and know-how to make or fix it all

Commercial door glass repair


When door glass breaks, don't worry! Just call Capitol Glass  and well help you get it fixed in a timely and cost-effective manner.

Commercial glass repair


Capitol  Glass Pro offers a full range of architectural products and services to meet the glass needs of any commercial customer. Regardless of the size or

scope of a construction project, we design create and install all types of products 

Door glass repair


Running a holiday sale or weekly special? Definitely promote it here to get customers excited about getting a sweet deal.

Emergency board up


We are 24 hours emergency board up for Residentials and Commercials 

When an emergency happens, Capitol   Glass is there for you. Just call 202.621.3055 even after regular business hours, to get in touch with us and we can provide service and the peace of mind that comes with it. commercial glass doors repair commercial glass repair Potomac

Railing Glass


Glass railing has become a popular railing choice in modern design. It gives the sleek lines and transparency of the minimalism movement without sacrificing safety.