Lenaghen Roofing specialise in the design and installation of Mastic Asphalt and Sarnafil roofing systems. Covering Scotland, all of our roofing systems come with a minimum 10 year guarantee. Lenaghen Roofing Services Ltd were established in 1987 as a traditional flat roofing contractor specialising in bituminous felt roofing, mastic asphalt roofing