CUPA PIZARRAS have provided their thick heavy 3 natural slate for the roof of a new build arts and craft style home in Scotland’s Gleneagles.

The diminishing course natural slate roof features a 50-degree pitch with each course getting shorter in length towards the roof’s ridge.

Fiona Robinson design architect and founding director at Thomas Robinson Architects, said: “Although, natural slate isn’t a typical roofing choice for this architectural period, a loose code was set by the Gleneagles Estate to maintain quality and harmony in the area. This naturally made slate our first choice with it being familiar locally.”

“Working alongside CUPA PIZARRAS’ Specification Manager, Allan Liddell, we specified the Heavy 3 natural slate as we knew it would provide the refined, traditional look we wanted to achieve and would deliver the hard wearing finish our clients were looking for.”

“We’ve used it on multiple projects in the past so were 100% confident in its performance – the weather can be pretty unforgiving here in Scotland.”

The blue black Heavy 3 is supplied as a 300 x 200mm slate and the colour and the properties stay unalterable through time with no maintenance required.

Split to an average thickness of 7mm to 9mm and featuring non-rusting metallic particles and thin laminations, which form a riven surface, the finish suits this traditional architectural style.

The roof also includes mini-dormer windows to break-up the expansive roof space, giving a fine detailed edge to the appearance of the house externally.

With a combination of warm and cold roof construction dependent upon internal arrangements, the specification of the warm roof comprises 245mm-deep timber rafters built-up with a 190mm thickness of insulation, a 50mm air gap, traditional sarking boards and overlaid with a layer of Proctor Roofshield breather membrane.

The Heavy 3 slates are securely fixed with copper nails combined with complex leadwork detailing, which included lead soakers and wood roll verge detail.

This approach resulted in a robust cohesive system to provide excellent weather protection, which fully complies with Scottish building regulations.