Ceda-Alum manufacturing is a culmination of over 20 years designing and building Patio Covers, Pergolas, Sunrooms and Opening Roof systems in the Northern California region. Our unique perspective on the manufacturing aspect of this industry gives us an “Actual” and a distinct advantage when it comes to our entire offerings package. We have been working toward this perspective in a way that many manufacturers would not have the opportunity to experience.

ER-783          Ceda-Alum Patio Systems Residential Patio Covers, Carports, and Commercial Roof Structures



C-Thru Sunrooms offers the best of the best in stunning, quality-engineered sunroom additions. Each of our products provides affordable, energy-efficient and stylish options for homes of all sizes. We offer several distinct brands to allow every household to build the space of their dreams in a cost-effective way.

ER-181          Omega 4 wall and LRP or Glass Roof System



For over 40 years, Four Seasons has been a leader in manufacturing innovative, quality sunrooms and has become one of the largest manufacturers of outdoor living products.

Your home is the cornerstone of your life. It’s your place to rest and relax, spend time with the people you love, build your future, celebrate your successes. And it’s very likely the largest single investment you’ve ever made. So when it’s time to add light and space to your home, to improve its value and efficiency or to enhance your family’s life, only choose the best, Four Seasons Sunrooms and Windows.

Four Seasons is tried and true, highly recommended, utterly dependable, and internationally recognized as the industry leader in both products and customer service.

ER-110          Series 230 Sun & Stars/Shade Patio Enclosure System
ER-115          LRP Roof System & 4" DX Enclosure System
ER-727          Addition 365 Patio Enclosure System and All Seasons Patio Enclosure System

Four Seasons offers “the best of both worlds” with industry-leading corporate strength and resources, combined with highly trained local, independently owned and operated dealers. Our network of professionals live where you live, know what your needs are, and offer personalized attention and unparalleled local service. We look forward to the opportunity to help transform and improve your home.


Latium USA serves contractors, dealers, architects, specifiers and franchises through our network of 20 strategically located service centers and 4 national manufacturing facilities.

ER-181          Omega 4 wall and LRP or Glass Roof System



Maars combines years of experience by effortlessly merging special innovation, aesthetics and performance. Maars offers both standard and customized solutions in, for example, offices, airports, factories, cinemas, shops and hotels. Also in the public sector Maars has been active and has taken the lead with applications including hospitals, public institutions, universities and schools.

ER-441          String 2, Metaline and Panorama Partitions


Established in 1993, MAI is a leading producer of high quality, affordably priced furniture, frame and tile systems, panel systems, glass walls, movable walls, desking systems and office seating.

ER-193          ALUR Glass Wall System
ER-278          ALUR Dividing Wall



Parasoleil designs and manufactures an exceptional line of laser-cut architectural metal panels with unique patterns that offer a profoundly artistic aesthetic to any space. Engineered to withstand the elements and manufactured in the United States, these decorative panels provide a functional and durable design that is warrantied to last. Parasoleil’s project guidance, proprietary hardware and installation system, production dependability, and beautiful powder coats ensure your project’s vision comes to life in a memorable and lasting way.

ER-488          Decorative Perforated Metal Panels



With the flick of a switch, Vergola® louvres can be adjusted to let light in, keep sun out, enable cross flow ventilation or protect outdoor areas from rain. Vergola® provides a range of adjustable louvre controlled solutions that enable people to control their environment in all seasons, climates and settings.

ER-532          Vergola Operable Louver Roof System