Heavy 3 is a natural roofing slate made from stone quarried in northern Spain, designed for long-lasting use on pitched roofs in harsh climates. Extra thickness of 7–8mm gives it strength to withstand high winds and rain, with a typical lifespan exceeding 100 years.

  • Natural slate roofing tile for pitched roofs

  • 7–8mm thick for added durability in severe weather

  • Impermeable to water and resistant to chemicals, UV and pollutants

  • Non-combustible and unaffected by moss, fungi, insects or animals

  • Weighs less than many man-made tiles

  • Low maintenance and repair needs over its lifetime

  • Produced since 1892 with a 100-year warranty

Applications

  • Residential and commercial pitched roofs

  • Scottish and UK heritage or restoration projects

  • New builds in areas with high rainfall or wind

  • Public buildings and visitor centres

  • Distilleries and traditional architecture

Dimensions

Thickness 7–8mm

Materials

Natural slate

Performance

Lifespan over 100 years

Impermeable to water

Resistant to UV, chemicals, moss, fungi, insects, animals and birds

Non-combustible

Manufacture

Quarried in San Pedro de Trones, León, northern Spain

In production since 1892

Warranty

100 years

Maintenance

Extremely low maintenance and repair requirements