Project Type:

New Residential Flats Development

Sq. Meterage:


Project Type:

Cruden Building (formerly Hart Builders)


New build residential flats over 5 storeys of lightweight steel construction with 18mm thick timber roof deck. Scaffolding hoisting and access provided by the main contractor.

Roof specification

Warm roof construction of Sarnafil single ply roofing system comprising vapour check Tapered insulation scheme and single ply membrane in lead grey finish. All laid onto 18mm thick OSB deck.


The design on this roof was particularly challenging as the main deck had a combination of flat and pitched deck areas at various degrees of slope which resulted in numerous steps in level, as per the following pictures.

The parapets also sloped, creating multiple variations in parapet height. The combination of steps slopes and tapered insulation was challenging but very satisfying to achieve.

A fall arrest system to the main roof and Sedum roof to the single storey entrance was also installed.

Lenaghen Roofing services work force finished this project to a very high standard with difficult detailing and challenging steps and falls. But more importantly they did themselves proud with the level of skill adaptability and perseverance throughout.