Calidad 25 Roofing Slate

The Calidad 25 slate gives fantastic looks. It has incredibly low water absorption, making it similar to Welsh slate. With a textured appearance and available in Premium and Standard grades, the Calidad 25 gives roofing contractors a reliable and hardworking product, without compromising on looks.

Available in a range of sizes to suit different styles and finished looks, the Calidad 25 slate can easily compliment any build and surrounding area. With all the slates from JRC you can be sure of the highest quality and service.

Specifications

Sourced in Los Campos region of Galicia, Northern Spain
Comes in sizes 50×25, 50×37, 60×30 and 60×45.
Slate split by hand
Low water absorption, similar to Welsh slate

Data Sheet

Water absorption	W1
Non carbonate carbon content	In accordance <1%
Mechanical resistance characteristics (MoR)	Transversal 47 (Mpa) Longitudinal 49 (Mpa)
Calcium carbonate content	Complies <1%
Dimensional tolerances	Complies
Thermal cycle	T1
Exposure SO2	S1
External fire performance	Deemed to satisfy A1
Reaction to fire	Deemed to satisfy A1
Release of dangerous substances	None
Use as roofing or external cladding	Yes

Calidad - Calidad 25 Roofing Slate