The Haggerston Roof Lantern
Description - The Haggerston roof lantern is ideally suited for those side return extensions due to it's long yet narrow footprint, enabling maximum light into adjacent rooms below.
Construction - The principal construction is in Accoya, a leading acetylated high technology, long life wood. It offers superior performance, ideal for challenging environments. Key features include outstanding durability and stability with excellent paint adhesion, combine to make it a superb choice in framing our Linear range of roof lanterns. High-performance dual-sealed double-glazing units ensure optimum thermal efficiency, whilst factory finished aluminum rafter and ridge cappings, together with self- cleaning glass ensure low maintenance on the roof exterior.
Roof assembly - shallow hip rafters span between a profiled roof plate/sill and a slender ridge. The arrangement of the hip rafters is as shown in the sketches below. The roof pitch is 25 degrees. Rainwater discharge is direct to the perimeter flat roof weathering surface.
Glazing – self cleaning high performance dual-sealed double glazed units comprise two leaves of 4mm clear toughened safety glass, a 16mm Argon gas filled cavity, and include soft-coat low-emissivity heat reflective coating to the cavity face of the inner-leaf. The thermal u-value of the roof glazing units is 1.2.
Finishes – Roof exterior: aluminum rafter, hip and ridge cappings factory finished in CLASSIC WHITE or SLATE GREY. Roof interior: factory finished sapele timber in CLASSIC WHITE.
Internal dimensions of curb upstand: 2000mm x 1000mm on plan.