Duquesa brands are first grade natural slates from specially selected quarries with a history of producing consistent high quality slates that perform well in the British climate. Available in the tradtitional 20”x10” and smaller 16”x10” formats, Duquesa are renowned for their consistent thickness, grey colour, uniform appearance, smooth surface and absence of unstable inclusions. These characteristics make for an attractive, stable, long lasting roof covering. Imported by Cembrit Limited for over 20 years, Cembrit have used their expertise in; the sourcing of and designing with natural slate to create a range that will satisfy the needs of the most discerning specifiers and installers.
Fire protection class
1.22 - 2.53