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The Denby Roof Lantern

Description - The Denby roof lantern is a popular solution for adding light and volume to single-storey rear extension. Consider placing in line, yet set back from a set of sliding folding doors / bi-fold doors and it will create a wonderful space with stunning views into your garden. For the ultimate orangery extension add an orangery fascia some pilasters either side to perfectly frame the doors.

Construction - The principal construction is in engineered Sapele, a hardwood with excellent paint adhesion sourced from sustainable plantations (FSC accredited). Durable qualities such as exceptional rigidity, resistance to indentation, shock loads and bending, together with a natural resistance to wood rot and fungal attack, combine to make it the natural choice in framing 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 - delicately moulded rafters and hips span between a profiled roof plate/sill and a generous ridge. Octagonal profile bosses form the abutment of converging ridge, hip and rafter assemblies. The arrangement of the 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. Conduit channels with flush fitting access covers are incorporated to accommodate concealed electrical cabling. The Denby roof lantern features 1no ‘single paned’ electric vent as per the example below.

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: 2750mm x 2205mm on plan.

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The Denby Roof Lantern

OVERVIEW

2750mm x 2205mm

Principal Elevation of The Denby Roof Lantern

PRINCIPAL ELEVATION

2750mm x 2205mm

Side Elevation of The Denby Roof Lantern

SIDE ELEVATION

2750mm x 2205mm

Roof Plan of The Denby Roof Lantern

ROOF PLAN

2750mm x 2205mm

Upstand Plan of The Denby Roof Lantern

UPSTAND PLAN

2750mm x 2205mm

Section of The Denby Roof Lantern

SECTION

2750mm x 2205mm