Lightolier Lytecaster Conventional Frames & Trims are designed for quick and easy installation in various ceiling types, including grid ceilings, new ceilings, ceilings with 5/8" strappings, and 10-12" to 13" spaces. They offer flexible mounting options, allowing you to customize the installation to suit your specific needs. With their sturdy construction and reliable design, these frames and trims ensure secure and stable mounting of your lighting fixtures.