Windows
Cortizo Sliding Windows
Overview
One of the latest products from Cortizo, the Cortizo 4900 Sliding HI has advanced thermal and acoustic features and an ultra-smooth opening technique. Sturdy yet light. Made from high-quality aluminium — robust, long-lasting, and resistant to all types of weather. Acoustic insulation adds an extra layer of privacy to the home. Available in an unlimited range of colours across the entire RAL colour chart, and can be coated in various powders or texture effects.
Key Features
- Sleek design with slimline profile (1.6mm thickness) for a modern aesthetic
- Bi-colour systems available
- Finishes: RAL, mottled, rough, wood effect, and anodised options
- Maximum glazing thickness of 36mm
- Antibacterial powder coating
- Up to 6 sash configurations; 3 rails
- Max sash weight: 240 kg
- Max acoustic insulation: Rw = 40 dB
Specifications
Frequently Asked Questions
Everything you need to know about our Cortizo Sliding Windows.
Yes, BDF Architectural offers full supply and professional installation across the UK. Our experienced team handles everything from survey to completion, ensuring a perfect, long-lasting fit.
Absolutely. Every product is manufactured to your exact specifications. We offer bespoke sizing to fit any opening, whether standard or non-standard — no matter how complex the shape or dimensions.
We offer a wide range of powder-coated finishes including anthracite grey, white, black, and dual-colour options. All standard RAL colours are available on request, giving you complete creative control over your project.
All our products come with a comprehensive manufacturer's warranty. Our aluminium frames and hardware are built to last decades with minimal maintenance. Contact us for specific warranty terms for this product.
Most residential installations are completed within one to two days. Larger commercial or multi-product projects may take longer. We'll give you a clear timeline when we survey your property and provide your quote.
Getting a quote is simple and free. Fill in our online contact form, click the Free Quote button on our website, or call us directly on 01895 439 199 or freephone 0800 999 5575. We'll arrange a survey at a time convenient for you.
Interested in Cortizo Sliding Windows?
Get a free, no-obligation quote tailored to your project. Our team is ready to help.
