These flush, single gasket serrated wall and ceiling covers are ideal for interior applications where minimal visual impact is preferred. The gasket edges lock into aluminum retainers to prevent hairline gaps and ensure a hygienic seal. The center section of the gasket is ribbed to allow for movement up to 200%. The gasket is available in four standard color options. Joint sizes range from 2″ to 4″. Contact the factory for larger sizes or custom applications.