- In 1954, Castañer pained a mural dedicated to San Pancrazio at María Auxiliadora Sanctuary in Alcoy (80 m²).

 - 1957, murals dedicated to the Virgin at  Santa Maria Archiprestal Church in Alcoy. They are divided into eight panels, on a total surface of 150 m².

 - 1958, for the Middle School Education Institute 'Padre Victoria' in Alcoy, Castañer painted a Christ onto a metallic cross (2.00 x 1.50 m). Censored and admited versions are shown enlarged on click.

- 1961, Ramón painted a  mural at Concetaina Salvador Church, with 82 m² representing the Holy Dinner and the Lucernary angels.

- 1965, Valencia. Iglesia del Cristo de la Luz, two canvases, 'La Venida del Espíritu Santo' (5.00 x 2.00 m) and 'El Cristo de la Luz' (3.00 x 2.00 m).

- 1967, Valencia, 'Virgen de Fátima' mural (43 m²), at the Iglesia de la Virgen de Fátima. Picture made on a wall.

- 1988, Castañer painted the 'San Juan Bosco' Chapel, 200 m² mural, María Auxiliadora Sanctuary in Alcoy, where his extraordinary skills for resolving the most difficult problems of animated perspective, harmonic rhythm and volumns are evident.

- 1993, 200 m² mural of San Jorge (the Festa Altar), also María Auxiliadora Sanctuary. These paintings are more structured, more theatrical with optical and foreshortening effects.