Velux Rigid Sun Tunnel

Last Updated: October 19, 2015 08:19

When converting an interior space into a loft isn’t possible, VELUX has the perfect solution to let sunlight into your darker spaces.

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Product Details

Our Rigid Sun Tunnel is ideal for areas such as hallways or interior bathrooms in a single story home.

VELUX also makes installation simple, regardless of your roofing type. For flat roofing, install our integrated, grey aluminium frame with flush flashing. For profile roofing, choose our black polyurethane frame and lead-free lower flashing.

Product features

• Rigid tunnel has a diameter of either 25cm or 35cm.

• Super reflective coating along the interior of the tunnel provides a 98% internal reflection rate.

• An easy-to-assemble diffuser kit comes complete with a frosted acrylic insulating pane and a standard, white ceiling trim ring.

Integrated polyurethane flush frame with 4mm toughened glass with clear and clean coating on the outside. Frame with integrated, grey aluminium, flush flashing for installation in flat roofing material and with black polyurethane flashing and non-lead bottom flashing section for installation in profiled roofing material. Sash in ASA (ABS plastic), 4 mm toughened glass and stay-clean coating on the outside.

Two elbow joints and one telescopic tunnel of 2x620mm, all in rigid material with a diameter of 35cm/14'' or 25cm/10". The rigid tunnel has a super reflective coating allowing an internal reflexion of 98%.

Specification & Product Codes


Environmental statement:
ISO 14001:
Quality certification:
ISO 9001, EN ISO 12567-2:2005, EN 14351-1:2004-04, EN 12210, EN 12208, EN 12207



133743 - 355mm Diameter 2m

967814 - 255mm Diameter 2m