Best Exteriors offers you in Hayward both: replacement beautiful and energy-saving siding. Premium quality from the best suppliers in California and a great service is a minimum that you can count on while working with us. We’ve done the siding installation and replacing for 15 years and we are proud of every finished project. Structurally Independent Wall System. The siding is firmly fixed in its place, and therefore, it will endure almost everything, maintaining structural integrity due to tightly fixed panels. For this reason Prodigy stands tall on its own. The Look of Hand-Installed Boards. Designed and expertly manufactured to capture the look of traditional single-plank siding. Available in 6″ and 7″ clapboard and 5″ dutch lap profiles.