Slimline® Rooflights

Designed and handcrafted to the highest standards in our UK factory, the Slimline® roof lantern has ultra slim aluminium glazing bars with the option of an opening double glazed vent – making them a great choice for kitchens, living spaces and extensions.

Unlike most rooflight companies, we build to your exact specification and don’t charge extra for bespoke sizes. Our frame sits outside your aperture, so you’ll see more glass and enjoy more light for your money.

Key Features

– choice of triple or double glazed
– Ug-values as low as 0.8w/m2k
– 20-year unit seal warranty
– unit seals 80% deeper than the industry standard
– full aluminium, thermally broken frame
– easy clean glass as standard
– available flat packed or installed by us

Optional upgrades

– choice of specialist glass types
– a range of different coloured glass tints
– 1600 RAL frame colours
– electronic or manual vent
– optional climate control with rain sensor
– remote controlled electric blackout blinds

Videos and Brochures

– Download our Slimline brochure
– Looking for more inspiration? download our full brochure

Speak to us: phone icon 0116 269 6297

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Our products are the most advanced and competitively priced on the market.

Product Overview

replacing rooflight

Key Features

  • With its raised apex, this elegant roof lantern is designed to make a statement. The optional double glazed vent gives you  flexibility to help manage temperature, odours and condensation

  • Our Slimline® roof lantern combines sturdy, insulated construction with a clean, contemporary aesthetic.

  • Its super-slim glazing bars and ultra-thin, aluminium-capped glazing joints result in clean lines, increased glass surface with minimal frame interruptions.

    Watch our short comparison video to see why it is unique in the market.

  • We manufacture all of our products in-house, allowing us to build your new lantern to your exact specifications.

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Technical Spec

Insulated upstand built in

  • Built-in insulated upstand, which conforms to all safety standards and building regulations.

  • Flat packed option allows easier installation without a crane. Watch our assembly video for more details.

  • Your rooflight will need to be flashed following installation with your chosen roof membrane or a separate flashing kit. Find out more by reading the installation guide in the Technical Document Hub

  • Comprehensively weather tested against BS 6375 Pt 1, and compliant with all safety and building regulations, as well as BS EN1279 parts 2 & 3.

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Toughened safety glass. Ug-values as low as 0.7 w/m2k


Aluminium with insulating Styrofoam inserts


20 year seal warranty

Glazing Standards

BS EN1279 parts 2 & 3

Weather resistance

BS 6375 Pt 1 standards

Sound Insulation

ISO 717-1/A1