uPVC French Doors

Crystal uPVC French Door (Left Hand Master) – Including Cill
Bring natural light, energy efficiency, and stylish design into your home with the Crystal uPVC French Door (Left Hand Master). Manufactured in the UK at Crystal Direct’s state-of-the-art Hertfordshire facility, this door combines robust construction with modern performance features — making it an ideal choice for kitchens, living spaces, extensions, and patio entrances.

Available in both double and triple glazing, these French doors are engineered to deliver excellent insulation, security, and long-lasting durability, while their timeless design complements any property style.

Key Features & Benefits

• Energy Efficient Glazing – Choose from 28mm double glazing (U-value ~1.4 W/m²·K) or 36mm triple glazing (U-value ~1.0 W/m²·K) for superior insulation and lower energy bills.
• Classic French Door Design – Twin doors with a left-hand master leaf for convenient daily use and elegant styling.
• Durable uPVC Construction – 70mm multi-chambered profile provides excellent strength, thermal performance, and weather resistance.
• Secure & Safe – Fitted with a high-security hook lock system, reinforced hinges, and supplied with trickle vents for healthy airflow.
• Bright & Versatile – Clear glass panels maximise natural light, making rooms feel larger and more inviting.
• Installation Made Easy – Delivered with frame, handles, hinges, trickle vents, PVC cill, and loose glazing for quick on-site fitting.
• Low Maintenance Finish – Smooth, white uPVC is easy to clean and designed to stay looking fresh year after year.
• 10-Year Guarantee – Backed by Crystal Direct’s manufacturer warranty for long-term peace of mind.
• Fast UK Delivery – Reliable nationwide delivery in just 10–12 working days.

Why Buy from Sterlingbuild?

At Sterlingbuild, we’re proud to be an authorised retailer of Crystal Direct doors, giving you access to premium home improvement solutions at competitive prices. Our online experience is built for both DIYers and trades, with:

• Simple product selection and customisation
• Competitive pricing with no hidden extras
• Dependable delivery from strong UK stock
• Expert customer service and after-sales support

Find Your Perfect French Door
Order the Crystal uPVC French Door (Left Hand Master, inc Cill) today and enjoy a brighter, more secure, and energy-efficient home. With double or triple glazing options, fast delivery, and a 10-year guarantee, it’s the ideal upgrade for any property.