U S Block Windows® : Specialty Retrofit Products
Virtually ANY Width, ANY Height, ANY Size

U S Block Windows is the ultimate source for privacy window solutions that can easily replace your existing windows. Our acrylic block windows add elegance and style to any room while letting in natural light.

Choose from fixed picture windows, single hungs and sliders, custom radius shapes and circle tops, casements and awnings -- in virtually any height, any width. Choose from a broad selection of acrylic block patterns and frames. With operable window options that open and close, U S Block Windows let the breezes flow on a beautiful day. And for a quick and easy privacy enhancement, our Coronado Block Shutters fit right over your existing window, on the inside or the outside.

Quality, ease of installation and selection are paramount in our acrylic block retrofit window offerings. Our patented T.R.I.O technology ensures extra strength found no where else and a lifetime of durability. Our installation is designed to prevent exterior damage (even stucco!) and our windows are easy to service.

Choose from a variety of standard shapes, sizes and five beautiful acrylic block patterns including SunBlock (to reduce solar heat gain) and insulative E3 triple glazed for energy savings. Custom sizes are also available. For privacy and innovative style, U S Block Windows is your best investment.