Secure, sustainable and stylish, the S1 Roof Lantern features innovative construction that addresses common security weaknesses found in other lantern systems. It combines aluminium’s clean lines with exceptional thermal performance and features an innovative Thermlock® multi-chamber technology.   

This energy-efficient solution features anti-tamper screws, anti-tamper glazing and a glass lock, alongside a unique high-security ridge end. 

Designed with 28mm glazing, which exceeds the industry standard of 25mm, with a 1.1 U-value W/(m²K), it is available in white, black and grey.