Klober Permo® air HT roofing underlay has been used in the restoration of Marble Hill near Adelaide, until 1955 the summer residence for the Governor of South Australia. Having been destroyed by a bush fire it had been under the trusteeship first of the National Trust and subsequently the Department for Environment and Heritage. Its restoration is being undertaken without public funding under private ownership with work focussing on the revival of artisan trades and use of sustainable materials under the supervision of a heritage architect. Permo air’s exceptional breathability is combined with an integral safety mesh and 4-layer construction. As one of the highest performing air-open underlays it has seen it used on a number of similarly high profile restorations as well as new build housing and commercial projects.