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A Simple Guide To uPVC Stacking Doors

Whether building a new home or upgrading your property, installing stacking doors is a worthwhile consideration.

Stacking or stacker doors are gaining traction among property owners and project managers for multiple reasons. They successfully merge aesthetic appeal and practicality, and they can be installed throughout your residential and commercial buildings.

They’re particularly an excellent choice for small spaces, as they offer better functionality and flexibility than their hinged counterparts. An even better decision would be to install uPVC stacker doors that help create a seamless transition between your indoor and outdoor spaces.

This guide delves into the features, benefits, installation considerations, and maintenance tips for uPVC stacking doors. Let’s explore the basics of this increasingly popular door style.

uPVC stacker doors vs. sliding doors

Sliding and stacker doors may look the same for most. But there’s more to these door styles than meets the eye.

For one, uPVC stacker doors feature two or more panels that slide and stack neatly on one or both sides. Unlike sliding doors, they’re stacked in front of one another and consecutively, hence the name.

Because of the difference between their opening mechanisms and layout, stacking doors allow you to open a larger section of your home than sliding doors. In doing so, you can optimise space and provide a more seamless transition between your interior and exterior living spaces.

Essential features of uPVC stacking doors

Versatility is a key characteristic of uPVC stacking doors. Having one strikes an effective balance between the functionality and looks that residential and commercial property owners want.

If you want to pick the best option for your property, consider the factors below.

  • Multiple panels: This feature allows for maximum flexibility in controlling the flow of natural light and ventilation while enabling easy access to outdoor spaces. You can customise the number of panels to suit your preferences and spatial requirements, making these doors suitable for a wide range of architectural designs and room layouts.

  • Flawless stacking mechanism: Stacker doors can be designed to pile up on one or both sides of the opening. Regardless of the stacking mechanism, they’re meant to function and slide smoothly without obstructions. A well-functioning tracking mechanism must have minimal friction and be easy to operate, prolonging its lifespan.

  • Durability: uPVC stacking doors are renowned for their durability. They are resistant to weather elements, including heavy rain and sunlight, and do not warp, rust, or corrode over time.

  • Finishing and glazing options: With uPVC stacking doors, you can choose from a variety of finishing options to match different architectural styles and design preferences. They also come with glazing options, including double glazing for enhanced insulation and soundproofing.

  • Encased or frameless: Depending on the design and aesthetic preferences, uPVC stacking doors can be encased within a frame or designed to be frameless. Frameless options provide a sleek and modern look with minimal visible hardware.

  • Security and safety features: Many stacker doors come equipped with advanced locking systems to enhance security. Multi-point locks and key-operated handles provide peace of mind while maintaining the uPVC stacking doors’ stylish appearance.

Unlike their wooden counterparts, uPVC stacker doors are highly versatile and can be customised based on your style, colour, and layout preferences. The features above set them apart from other door styles.

Benefits of uPVC stacking doors

In this section, we’ll explore the many benefits of uPVC stacking doors, which are known for their durability and versatility. These doors provide an excellent way to seamlessly connect indoor and outdoor spaces, offering features like energy efficiency and ease of use that enhance your living experience. Whether you’re interested in energy savings or a more open living environment, uPVC stacking doors have something to offer.

  1. Visual appeal

    The sleek and contemporary appearance of uPVC stacking doors adds a modern look to any architectural design. The slim yet robust frames and expansive glass panels align with modern and minimalist design trends.

    Customised uPVC stacking doors and windows can improve an outdated home, increasing its property and aesthetic values.

  2. Space optimisation

    By nature, this door type takes up very little space, making it a good choice for smaller homes and rooms with tight spaces. It’s an effective space-saving solution, eliminating the need for a large swing space that traditional doors require.

    A stacker door can connect your outdoor patio, porch, deck, or balcony with your indoor living areas cohesively, creating an illusion and sense of bigger space.

  3. Accessibility

    You’ll enjoy easy and unrestricted access to and from your home by removing obstructions. If you’re living with persons with mobility issues, this can be a lifesaver. Furthermore, uPVC stacked doors are helpful during emergencies and when moving bulky items like furniture in or out of your property.

  4. Energy efficiency

    Many uPVC stacking doors are designed with energy efficiency in mind. Double-glazing and thermal break technology contribute to improved insulation, helping maintain indoor temperatures and potentially reducing energy bills. Astellite’s smart slide double-glazed doors, for instance, offer top-notch insulation, soundproofing, thermal, and energy-efficiency properties without compromising style.

    Moreover, the expansive glass panels allow natural light to pass through, reducing the need for artificial lighting and creating a brighter, more inviting living space.

  5. Unobstructed outdoor view

    By eliminating the need for chunky and heavy frames to hold the glass together, stacker doors enable you to enjoy your environment’s scenic view without obstructions. Whether you plan to install uPVC stacking doors that lead to the pool, yard, or patio, you’ll get full access to your outdoor view.

  6. Cost-effectiveness

    uPVC stacking doors typically cost less than other types. Their durability and resistance to wear and tear also reduce long-term maintenance and replacement costs, ensuring a wise investment. Moreover, uPVC’s natural insulating properties contribute to energy efficiency, potentially lowering heating and cooling expenses over time.

Installation considerations for uPVC stacking doors

Proper installation is crucial for the optimal performance of uPVC stacking doors, as these have various mechanisms that must work seamlessly together. For your safety and comfort, work with a reputable contractor experienced in installing stacking doors.

Consider the following factors when installing your stacking doors:

  • Professional installation: Improper installation can lead to operational issues and compromised security. It’s always best to avoid a do-it-yourself approach and leave the installation work to reliable, experienced professionals like us at Astellite.

  • Structural integrity: The structural integrity of the opening must be assessed to ensure it can support the weight of the doors. Reinforcements might be necessary for larger openings and thicker or heavier glass.

  • Weatherproofing: Effective weatherproofing is essential to prevent water infiltration. Proper sealing and flashing are necessary to protect against leaks during rainstorms.

  • Location: Some materials work best in certain locations. For instance, water staining may occur on uPVC doors along a coastal property or in places with high levels of rainfall. However, this doesn’t affect the performance if the door is properly installed.

The installation of uPVC stacking doors is a critical process that requires careful planning, skilled professionals, and attention to detail. When done correctly, these doors can enhance the aesthetics, functionality, and energy efficiency of your living space while providing long-lasting durability and security.

Maintenance tips for uPVC stacking doors

Stacking doors require periodic maintenance to ensure longevity and performance. Follow these guidelines to avoid costly repairs and damages:

  1. Clean your doors regularly

    Clean the frames and glass panels periodically to remove dust, dirt, and grime. Use a mild detergent and a soft cloth to prevent scratches.

  2. Ensure proper lubrication

    To ensure smooth operation, keep the door’s moving parts lubricated with a silicone-based lubricant, which works on most metal, plastic, and rubber-based door parts. Clean the tracks and inspect the rollers, ensuring they’re not worn out or damaged.

  3. Inspect seals

    Check the weather seals for any signs of wear or damage. A broken seal can also lead to water intrusion and may compromise your security, so this is a must. Replace seals promptly to maintain insulation and weather resistance.

  4. Perform quick operational checks

    Test the door’s sliding and stacking mechanisms regularly to identify issues early. Addressing minor problems promptly can prevent larger, more costly repairs.


uPVC stacking doors offer an innovative and cost-effective way to connect indoor and outdoor living spaces seamlessly. Their increased adoption is unsurprising, considering the multiple benefits they offer. Besides their adaptable aesthetic features, uPVC doors promote energy efficiency, accessibility, and space optimisation, making them an attractive choice for property owners.

Understanding the features that set them apart is essential for making informed decisions. By understanding their features, benefits, installation requirements, and maintenance needs, you can confidently incorporate uPVC stacking doors into your living spaces, enhancing property value and long-term rewards.

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