Erect scaffolding to all elevations of cottage,strip roof of all felt, batten, and concrete tiles. Install new High-Specification KLOBER Permo® Air fully breathable roofing felt membraine. New VELUX® roof windows installed, we then fitted new MARLEY® Eternit artificial slates fixed down with copper pins. Finally we fitted treated barge boards and guttering and painted the new barge boards with DULUX® WEATHERSHIELD Gloss in black.