True or False: Clay and concrete tiles usually feature specially manufactured ridge caps that are either nailed or mortared in place.

The statement is true because clay and concrete tiles are indeed designed with specially manufactured ridge caps that serve both functional and aesthetic purposes. These ridge caps are essential for ensuring a watertight seal at the peak of a roof, which helps prevent water infiltration. They can be installed in one of two primary ways: either by nailing them in place or by applying mortar to secure them.

The use of mortar is common in traditional installations, particularly for clay tiles, as it provides a strong bond and can help with wind resistance. Nailing may also be employed, especially in areas susceptible to high winds. This flexibility in installation methods allows for adherence to local building codes and regional practices, contributing to the overall durability and effectiveness of the roofing system.

Considering these points, the statement accurately reflects common practices in the roofing industry for both clay and concrete tile installations.