This practice covers the minimum requirements for and the methods of installation of rigid vinyl siding, soffits, and accessories on the exterior wall and soffit areas of buildings. This practice also covers aspects of installation relating to effectiveness and durability in service. Materials to be used in the installation shall include horizontal wall sliding, vertical wall sliding, soffit panels, accessories such as starter strip, corner posts, and trim channels, and fasteners such as nails, staples, and screws. The installation method includes the following steps: substrate, surface preparation, application of horizontal sliding, application of vertical sliding, application of soffits and fascia and applicaton of special details.