Liniar Residential Doors

A secure, energy efficient and visually appealing choice for homeowners.

Product Description

Liniar PVC Residential Door deliver a stunning blend of style, performance, and practicality for modern homes. Designed as a classic alternative to patio or bi-fold doors, these double French doors open wide to seamlessly connect interior living spaces with outdoor gardens, patios, or terraces. Built from advanced multi-chambered uPVC profiles, they maximise natural light while keeping thermal efficiency high and maintenance low.

Available in inward or outward opening configurations, a choice of colour finishes and threshold options — including low and Part M accessible thresholds — these doors can be tailored to suit any home and lifestyle.

Technical Info

Our casement windows are built for long-term performance, security, and energy efficiency:

    • Profile System: Multi-chambered uPVC profiles for superior insulation

    • Thermal Performance: Designed to achieve top-tier BFRC energy ratings

    • Security: High-security shootbolt locking system

    • Guarantee: 10-year mechanical guarantee on locking systems

    • Hinge Protection: Stay Guard Elite device for enhanced resistance

    • Hardware Durability: Stainless steel friction stays tested to 20,000 cycles

    • Configuration: Wide variety of opening styles and layouts

Unobstructed Apertures for Seamless Views

Exceptional Thermal and Weather Performance

Stylish, Customisable & Secure

Why Choose Liniar Residential Doors

Liniar French doors stand out as a premium choice for homeowners because they combine timeless design with market-leading performance. Engineered using cutting-edge uPVC profile technology, they deliver high thermal efficiency, robust security and effortless operation — all while offering a wide range of customisable options to complement any architectural style.

Thanks to multiple threshold choices, these doors can suit everything from traditional homes to contemporary living spaces, including easy-access solutions for families or wheelchair users.

Slim. Secure. Efficient

01

Security Matters

Our shootbolt locking systems are covered by a £7,500 break in Guarantee.

02

Hinge Protection

The Stay Guard Elite device withstands twice the force required by Secured By Design testing.

03

Multi-chambered profiles

EnergyPlus profiles offer superior heat retention and structural rigidity

Fast and reliable service

Enjoy an efficient turnaround from as little as 7 working days on stock colours, backed by a prompt, reliable service designed for the trade — with fast quotes, simple 24/7 ordering, and over £2 million of stock profile ready to cut and manufacture to your exact sizes, ensuring your projects stay on schedule.

uPVC Door Lead Times

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The Technology Behind a Modern uPVC Residential Door

At the heart of every set of Liniar residential door is advanced profile engineering. Multi-chambered uPVC frames trap warm air and minimise heat transfer, contributing to excellent thermal performance and energy savings. This profile design also enhances rigidity and reduces the need for heavy steel reinforcement.

Other key technologies include co-extruded bubble gaskets that provide continuous sealing against draughts and moisture, comprehensive weather testing for long-term durability and high-security multipoint locking systems for peace of mind. The result is a door that performs from day one and continues to do so for years to come.

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Everything you need to succeed

It’s tough out there, we know. That’s why we want to give our customers the best chance to succeed by providing premium quality products at a competitive price, backed by exceptional service and support. At Window Warehouse we do all we can to help our customers achieve their goals; because we believe that your success is our success!

We are the complete solution

Ready to take your business to the next level?