SL38 Window & Door System

Slim Frames

Designed to replicate the ‘steel look’ or crittal style used in many traditional UK homes

A-Rated thermal efficiency

The perfect combination of exceptionally slim line window frames and the highest levels of performance

200+ RAL colours

Whatever colour finish you desire, you’ll be able to find it within our RAL colours range, complete in wood grain and metallic effects


Aluminium frames can be polyester-powder coated in a wide range of RAL colours, or can feature a metallic or anodised finish.

Our standard range of RAL colours covers some of the most popular customer choices for achieving that premium look. Though if you're looking for something different choose from a wade variety of RAL palette options, metallic, anodised or even woodgrain finishes.

The SL38 system offers an alternative to the finely-profiled steel windows. Ideal for modern, minimalist, industrial look.

Image from our installation at the Empire House, Whitechapel

SL38 Aluminium Window System Reynaers Empire House Whitechapel Grabex Windows
SL38 Tilt And Turn Aluminium Windows
SL 38 Aluminium Windows And Doors


Book a visit in our Orpington Showroom. Currently our showroom visits are by appointment only, so book your meeting prior to your arrival.

Start your

Tell us about your project, so we can prepare a quotation for exceptional windows & doors that add character, style & value to your home.

Book a Virtual Appointment

Our team is here for you and we w'd love to chat at your convenience, assist you in planning your project and finding right products for your home. 

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