SunTube25 side wall daylight system - complete set

 Intura SunTube25 – Side wall light tunnel system

The Intura SunTube25 side wall light tunnel system is designed to reach daylight into spaces where roof or window access is limited or not possible. It enables light to travel horizontally through internal or external walls—bringing natural daylight exactly where it’s needed.

Perfect for:

• Basements and cellars

• Windowless interior rooms

• Facades with structural or planning restrictions

• Listed or heritage buildings where exterior changes are not permitted

This module integrates seamlessly with all Intura SunTube models and is engineered for high light reflectance and airtight performance. For enhanced energy efficiency, the system can be upgraded with the Intura EcoPower insulation element, reducing heat loss and improving overall thermal performance—ideal for low-energy and passive buildings.

Key Features:

• Compatible with all Intura SunTube daylight systems

• High-efficiency reflective inner coating

• Optional EcoPower insulation element for superior thermal insulation

• Suitable for vertical or angled wall transfers

• Professional installation recommended

This side wall set includes the following components:

• Crystal glass dome

• Insulated aluminium Wall Box (RAL 9005) with elbow mirror tube 30 degrees

• 1x Tube length of 60 cm (can be shortened as needed)

• EasyClick diffuser for simple finishing

• Mounting materials for installation

Extensions & Accessories

• Can be extended with the EcoPower insulation element with HR++ double glazing or HR+++ triple glazing

• Extendable up to 6 meters

• Various accessories available

Deliver daylight to areas traditional windows can’t reach – with the Intura Wall Transfer System.