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Sunflex SVG v Cortizo Corvision v Origin OS29 Slim Aluminium Sliding Doors

July 24, 2024 by Sapphire Windows

A few years ago we started our journey to find the best aluminium sliding doors in the UK.

While conducting our research there were five important qualities which we were looking for, these were:

The overall quality of the finished product
Slim sightlines
Ease of operation
Thermal performance
Peace of mind for our 10-year company guarantee & beyond

Our journey began online and took us to numerous sliding door showrooms across the UK where we tried and tested doors from brands such as Sunflex, Cortizo & Origin.

Below are our comparisons between the Sunflex SVG, Cortizo Corvision & Origin OS29 aluminium sliding doors.

The overall quality of the finished product

To be assured of our decision we needed to know where the doors were being fabricated and by whom. Both Sunflex & Origin doors are manufactured in-house at one fabrication facility. Several fabricators manufacture Cortizo doors throughout the UK.

Knowing that the products are manufactured in one place, offers us assurance that the quality and attention of detail we expect is mainated & in the event of an issue arising in the future, it can be resolved by one party promptly.

There are also some features and attention to detial of the Sunflex SVG doors that exceeded our expectations. The Sunflex doors fare flush stacking, allowing each panel to stack neatly behind the neighbouring frame. They also offer a range of high-quality door handles which don’t interfere with the view through the glass panels.

Slim sighlines

Slim sightlines are often an important consideration for our customers, therefore achieving the slimmest sightlines is also important to us.

The Sunflex & Cortizo doors offer a slim 20mm sightline. The Origin OS29 achieves a sightline of 29mm, which is only 9mm larger. However, the depth of Origin OS29 is far larger than the Sunflex & Cortizo doors.

This means that the Sunflex & Cortizo doors look slimmer from any angle.

Ease of operation

Aluminium sliding doors on the whole offer a better ease of operation than their uPVC counterparts.

From the doors we have seen and tested, the Sunflex SVG doors lead the way in ease of operation.

They open and glide effortlessly thanks to their stainless steel quad wheel running carriage & stainless steel track. Ensuring the opening operation is smooth and should stand the test of time.

From our knowledge the Origin OS29 uses nylon wheels on the running carriage and an aluminium track. Stainless steel would be a better solution.

As the Cortizo doors are manufactured by a number of different fabricators it isn’t possible to know the running gear and tracks used as it will vary for each fabricator.

Thermal performance

Optimum thermal performance is important to reduce both heating bills and our carbon footprint.

For replacement windows & doors, the whole window/door U-value must not be higher than 1.4 W/m2K. All three systems can achieve the required 1.40 overall door U-value. The Sunflex SVG doors achieve the required 1.40 with a glass centre pane U-value of 1.0. The Cortizo Corvision achieved the required 1.40 with a glass centre pane of 1.0. The Origin OS29 achieve the required 1.40 with a glass centre pane of 0.8.

Therefore the Sunflex & Cortizo doors lead the way in achieving the required U-value and offer the best thermal performance.

Peace of mind for our 10 year company guarantee & beyond

As a business we offer a comprehensive 10-year guarantee, therefore when choosing a product, it’s vitally important that we have confidence the product will offer us complete peace of mind that it will perform with little maintenance for 10 years and beyond.

Both Sunflex & Origin doors are manufactured in-house at one fabrication facility. Several fabricators manufacture Cortizo doors throughout the UK. In the event of an issue arising in the future, we want peace of mind that the issue can be resolved by one party promptly.

The Sunflex SVG sliding doors & Origin OS29 are mainly glazed with internal glazing beads. This means if you ever had to replace the glass in the future it can easily be removed and replaced. With some slim sliding systems like the Cortizo Corvision, the glass is bonded all round to the aluminium. This means that if the glass ever needs to be replaced in the future you would also need to order a new door panel or new set of doors if that panel is no longer available.

Comparng the Sunflex SVG20, Cortizo Corvision & Origin OS29

20mm sightline
118mm (double track) and 184mm (triple track)
From 1.2 W/m²k (double glazed)
3000mm maximum panel width
2800mm maximum panel height
Water tightness to 300Pa (Class 7a)
Air permeability to 600Pa (Class 3)
Flush stacking as standard
Double or triple track options
Optional pocket sliding
Optional moveable corner post
Always manufactured in one place at the Sunflex manufacturing plant
Glass is glazed with internal glazing beads meaning the glass can be easily replaced if required in the future.

20mm sightline
116 mm (double track) and 182 mm (triple track)
From 1.3 W/m²k (double glazed)
2500mm maximum panel width
3000mm maximum panel height
Water tightness to Class 7a
Air permeability to Class 4
Staggered stacking (not flush)
Double or triple track options
Optional pocket sliding
Optional moveable corner post
Cortizo supply their profile to numerous trade fabricators accross the UK
Glass is bonded to the door panel which means the glass & panel would need to be replaced if required in the future.

29mm sightline
143mm (double track) and 213mm (triple track)
From 1.3 W/m²k (0.7 glass centre pane)
2200mm maximum panel width
2520mm maximum panel height
Water tightness to Class 6a
Air permeability to Class 3
Staggered stacking (not flush)
Double or triple track options
No option for pocket sliding
No option for moveable corner post
Always manufactured in one place at the Origin manufacturing plant.
Glass is glazed with internal glazing beads meaning the glass can be easily replaced if required in the future.

Filed Under: Blog Posts

The Benefits of Aluminium Entrance Doors: Why They’re the Perfect Choice for Your Home

July 18, 2023 by Sapphire Windows

Welcome to the world of Aluminium Entrance Doors, where beauty and security come together to create the perfect first impression. The entrance to your home sets the tone for what lies beyond. And what better way to make a statement than with a stylish and secure aluminium entrance door? With their sleek design, durability, and versatility, these doors have become the go-to choice for homeowners. In this article, we will explore the many benefits of aluminium entrance doors, from their stunning aesthetics to their unmatched security features. Join us as we unlock the beauty and security of aluminium entrance doors, and discover why they are the ultimate choice for creating a lasting impression. Are you ready to elevate your entrance to a whole new level? Let’s dive in!

The beauty of aluminium entrance doors

When it comes to enhancing the curb appeal of your home, aluminium entrance doors are hard to beat. Their sleek and modern design adds a touch of elegance and sophistication to any property. Unlike traditional wooden doors, aluminium entrance doors are available in a wide range of colours and finishes, allowing you to choose one that perfectly complements your home’s exterior. Whether you prefer a classic black or a bold red, there is an aluminium entrance door that will suit your style.

But it’s not just about the aesthetics. Aluminium entrance doors are designed to withstand the test of time. They are resistant to fading, warping, and rusting, making them a low-maintenance choice for homeowners. With minimal upkeep, your aluminium entrance door will continue to look as good as new for years to come.

The security features of aluminium entrance doors

Security is a top priority for homeowners, and aluminium entrance doors are built to provide just that. The strength and durability of aluminium make it an excellent choice for enhancing the security of your home. Aluminium entrance doors are constructed using reinforced frames and multiple locking points, making them highly resistant to break-ins. Additionally, they are equipped with advanced locking systems, such as multipoint locks and deadbolts, which provide an extra layer of protection.

In addition to their robust construction, aluminium entrance doors are also designed to be weatherproof. They are resistant to extreme temperatures, moisture, and corrosion, ensuring that your door remains intact and secure even in the harshest weather conditions. With an aluminium entrance door, you can have peace of mind knowing that your home is well-protected.

Benefits of aluminium entrance doors

The benefits of aluminium entrance doors go beyond their beauty and security. Here are a few more reasons why they are the perfect choice for your home:

1. Energy efficiency: Aluminium entrance doors are excellent insulators, helping to keep your home warm in winter and cool in summer. Their thermal properties can significantly reduce your energy bills, making them a cost-effective option in the long run.

2. Noise reduction: The insulating properties of aluminium entrance doors also help to reduce external noise, creating a quieter and more peaceful living environment.

3. Durability: Aluminium is a highly durable material that can withstand the test of time. Unlike wooden doors that can rot or warp, aluminium entrance doors are built to last.

4. Fire resistance: Aluminium is non-combustible, making it a safe choice for your home. In the event of a fire, an aluminium entrance door can help to prevent the spread of flames.

5. Customisability: Aluminium entrance doors can be customised to fit any size or shape of the entrance. Whether you have a standard-sized doorway or a unique architectural feature, there is an aluminium entrance door that will fit perfectly.

How to choose the right aluminium entrance door for your home

Choosing the right aluminium entrance door for your home can seem like a daunting task, but it doesn’t have to be. Here are a few factors to consider when making your decision:

1. Style: Consider the architectural style of your home and choose an aluminium entrance door that complements it. Whether you have a modern, contemporary, or traditional home, there is a style that will suit your taste.

2. Security features: Look for aluminium entrance doors that offer advanced security features, such as multipoint locking systems and reinforced frames. These features will provide you with peace of mind knowing that your home is well-protected.

3. Energy efficiency: Check the energy rating of the aluminium entrance door. Look for doors that have been tested and certified for their thermal performance. This will help you save on energy bills and reduce your carbon footprint.

4. Glass options: Consider the type of glass you want for your aluminium entrance door. Options include clear glass, frosted glass, and decorative glass. Think about your privacy needs and the amount of natural light you want to let in.

5. Budget: Set a budget for your aluminium entrance door and stick to it. Keep in mind that while aluminium entrance doors may have a higher upfront cost than other materials, their long-term benefits make them a worthwhile investment.

Maintenance tips for aluminium entrance doors

One of the major advantages of aluminium entrance doors is their low-maintenance nature. However, a little care and attention can go a long way in keeping them looking their best. Here are some maintenance tips to keep in mind:

1. Regular cleaning: Clean your aluminium entrance door regularly with a mild detergent and warm water. Avoid using abrasive cleaners or harsh chemicals as they can damage the surface.

2. Lubrication: Lubricate the moving parts of your aluminium entrance door, such as hinges and locks, at least once a year. This will ensure smooth operation and prevent any squeaking or sticking.

By following these simple maintenance tips, you can keep your aluminium entrance door looking and performing its best for years to come.

The cost of aluminium entrance doors

The cost of aluminium entrance doors can vary depending on several factors, such as size, style, and additional features. On average, you can expect to pay between £2,000 and £5,000 for a high-quality aluminium entrance door. While this may seem like a significant investment, it is important to consider the long-term benefits and durability of aluminium. With proper maintenance, an aluminium entrance door can last for decades, making it a cost-effective choice in the long run.

Professional installation of aluminium entrance doors

To ensure that your aluminium entrance door is installed correctly and functions properly, it is recommended to hire a professional for the installation. A professional installer will have the knowledge and experience to handle the complexities of the installation process, ensuring that your door fits perfectly and operates smoothly. Additionally, professional installation often comes with a warranty, giving you added peace of mind.

Conclusion: Making a lasting first impression with aluminium entrance doors

Aluminium entrance doors offer the perfect combination of beauty and security, making them the ideal choice for homeowners. With their sleek design, durability, and versatility, aluminium entrance doors can enhance the curb appeal of any home while providing unmatched security features. From their energy efficiency to their low-maintenance nature, the benefits of aluminium entrance doors are undeniable. By choosing the right door for your home and properly maintaining it, you can enjoy its beauty and performance for years to come. So why wait? Elevate your entrance to a whole new level with an aluminium entrance door and make a lasting first impression.

Filed Under: Blog Posts

Understanding Flush Sash Windows: Everything You Need to Know

July 10, 2023 by Sapphire Windows

If you’re looking to add a touch of modern elegance to your home, flush sash windows may be the perfect choice. In this comprehensive guide, we’ll explore everything you need to know about this stylish window design, including its features, benefits, and installation process.

What are flush sash windows?

Flush sash windows are a type of window design that offers a sleek and contemporary look. They are characterized by their flush appearance, with the sash sitting flush with the frame when closed. This creates a clean and seamless aesthetic that can enhance the overall appearance of your home. Flush sash windows are often made from uPVC, aluminium or timber, and they can be customised to match the style and colour scheme of your home.

Benefits of flush sash windows.

There are several benefits to choosing flush sash windows for your home. Firstly, their sleek and modern design can greatly enhance the overall appearance of your property. The flush sash creates a clean and seamless look, adding a touch of sophistication to any style of home. Additionally, flush sash windows are highly energy efficient resulting in lower energy bills and a more comfortable living environment. Furthermore, flush sash windows are low maintenance. Finally, flush sash windows offer excellent security features. The flush fit and multi-point locking systems make them highly secure, providing peace of mind for homeowners. Overall, choosing flush sash windows can be a stylish and practical choice for any home.

Materials used for flush sash windows.

Flush sash windows are available in two main materials: uPVC and timber. uPVC, or unplasticized polyvinyl chloride, is a popular choice for its durability, low maintenance, and energy efficiency. It is resistant to rot, warping, and fading, making it a long-lasting option. uPVC flush sash windows are also available in a wide range of colors and finishes, allowing homeowners to customize their windows to match their home’s aesthetic. On the other hand, timber flush sash windows offer a more traditional and natural look. Timber is a renewable and sustainable material, making it an environmentally friendly choice. It also provides excellent insulation properties, helping to keep the home warm and reduce energy costs. Timber flush sash windows can be painted or stained to achieve the desired look and can be easily repaired or refurbished if needed. Both uPVC and timber flush sash windows offer their own unique benefits, so it’s important to consider your preferences and the specific needs of your home when choosing the material for your windows.

Maintenance and care tips for flush sash windows.

To keep your flush sash windows looking and functioning their best, regular maintenance and care is essential. Here are some tips to help you maintain your flush sash windows:

1. Clean the windows regularly: Use a mild detergent and warm water to clean the frames and glass. Avoid using abrasive cleaners or harsh chemicals that could damage the window.

2. Lubricate moving parts: If your flush sash windows have hinges or other moving parts, lubricate them regularly to ensure smooth operation. Use a silicone-based lubricant for best results.

3. Keep the inner frame clean, make sure they are kept clean and free from debris. This will help the windows open and close smoothly.

4. Avoid slamming the windows: Be gentle when opening and closing your flush sash windows to avoid damaging the frames or glass. Slamming the windows can cause them to become misaligned or break.

5. Trim nearby vegetation: If there are trees or bushes near your flush sash windows, make sure to trim them regularly. Overgrown vegetation can scratch or damage the windows.

6. Protect the windows during construction: If you are doing any construction or renovation work near your flush sash windows, take steps to protect them from damage. Cover the windows to prevent debris from hitting them.

By following these maintenance and care tips, you can ensure that your flush sash windows remain in excellent condition for years to come.

Filed Under: Uncategorized

A Comprehensive Comparison: Timber Windows vs uPVC Windows

June 29, 2023 by Sapphire Windows

If you’re in the market for new windows, you may be considering the choice between timber windows and uPVC windows. Both options have their own set of advantages and disadvantages, and it’s important to weigh them carefully before making a decision. In this guide, we’ll break down the pros and cons of each option to help you make an informed choice that suits your needs and preferences.

Cost: uPVC windows are generally more affordable than timber windows.

One of the main factors to consider when choosing between timber windows and uPVC windows is the cost. In general, uPVC windows tend to be more affordable than timber windows. This is because uPVC is a synthetic material that is mass-produced, making it cheaper to manufacture. On the other hand, timber windows are made from natural wood, which can be more expensive due to the cost of sourcing and processing the material. However, it’s important to note that the cost can vary depending on factors such as the size, style, and quality of the windows. Additionally, timber windows may require more maintenance and upkeep over time, which can add to the overall cost. Ultimately, it’s important to consider your budget and weigh the cost against other factors such as aesthetics and durability when making your decision.

Maintenance: Timber windows require regular maintenance, such as painting and sealing, while uPVC windows are low maintenance and only require occasional cleaning.

One of the key differences between timber windows and uPVC windows is the level of maintenance required. Timber windows typically require regular maintenance, such as painting and sealing, to keep them in good condition. This is because natural wood is susceptible to damage from moisture, sunlight, and pests. Regular maintenance helps to protect the wood and prolong the lifespan of the windows. On the other hand, uPVC windows are low maintenance and only require occasional cleaning to keep them looking their best. uPVC is a synthetic material that is resistant to moisture, sunlight, and pests, so it does not require the same level of upkeep as timber. This can be a major advantage for homeowners who want windows that are easy to care for and do not require a lot of time and effort to maintain. However, it’s important to note that while uPVC windows may be low maintenance, they may not have the same aesthetic appeal as timber windows. Timber windows have a natural warmth and beauty that can enhance the overall look of a home. Additionally, some homeowners prefer the traditional look of timber windows and are willing to invest the time and effort into maintaining them. Ultimately, the decision between timber windows and uPVC windows will depend on your personal preferences, budget, and willingness to perform regular maintenance. It’s important to weigh the pros and cons of each option and consider factors such as aesthetics, durability, and long-term cost when making your decision.

Aesthetics: Timber windows offer a classic and natural look, while uPVC windows have a more modern and sleek appearance.

One of the key factors to consider when choosing between timber windows and uPVC windows is the aesthetics. Timber windows have a classic and natural look that can enhance the overall appearance of a home. The warmth and beauty of natural wood can add a touch of elegance and charm to any property. On the other hand, uPVC windows have a more modern and sleek appearance. They are available in a wide range of colors and finishes, allowing homeowners to choose a style that complements their home’s design. uPVC windows can give a property a clean and contemporary look. Ultimately, the choice between timber windows and uPVC windows will depend on your personal taste and the style of your home. If you prefer a traditional and timeless look, timber windows may be the better option for you. However, if you prefer a more modern and minimalist aesthetic, uPVC windows may be the way to go. It’s important to consider the overall design and architecture of your home when making this decision. You want to choose windows that will harmonize with the existing style and enhance the overall curb appeal of your property. In conclusion, aesthetics play a significant role in the decision between timber windows and uPVC windows. Both options have their own unique appeal, and it’s important to choose the one that aligns with your personal preferences and the style

Durability: uPVC windows are known for their durability and resistance to rot, while timber windows may be more susceptible to damage from moisture and pests.

One of the key factors to consider when choosing between timber windows and uPVC windows is durability. uPVC windows are known for their durability and resistance to rot, making them a low-maintenance option. They are not susceptible to damage from moisture or pests, which can be a concern with timber windows.

On the other hand, timber windows may be more susceptible to damage from moisture and pests. If not properly maintained, timber windows can rot or warp over time. However, with proper care and maintenance, timber windows can last for many years.

It’s important to consider the climate and environmental conditions in your area when making this decision. If you live in a damp or humid climate, uPVC windows may be a more practical choice due to their resistance to moisture damage. However, if you live in a drier climate and are willing to invest in regular maintenance, timber windows can still be a durable option.

Ultimately, the choice between timber windows and uPVC windows will depend on your priorities and the specific needs of your home. If durability is a top concern for you, uPVC windows may be the better option. However, if you are willing to invest in maintenance and prioritize the natural beauty of wood, timber windows can still be a viable choice.

Energy Efficiency: Both timber and uPVC windows can be energy efficient, but uPVC windows often have better insulation properties.

When it comes to energy efficiency, uPVC windows generally have the advantage. They are known for their excellent insulation properties, which can help to reduce heat loss and improve the overall energy efficiency of your home. uPVC windows are often designed with multiple chambers and thermal breaks, which help to prevent heat transfer and keep your home comfortable year-round. Timber windows, on the other hand, may require additional measures to improve their energy efficiency. While timber is a natural insulator, the overall energy efficiency of timber windows can vary depending on factors such as the type of wood used, the quality of the installation, and the presence of any gaps or drafts. With proper installation and regular maintenance, timber windows can still provide good energy efficiency, but they may require more attention to ensure optimal performance. It’s worth noting that both timber and uPVC windows can be enhanced with additional features to improve their energy efficiency, such as double or triple glazing, low-emissivity coatings, and weatherstripping. These features can help to further reduce heat loss and improve insulation. Ultimately, when considering the energy efficiency of timber windows vs uPVC windows, it’s important to consider the specific characteristics of each option, as well as your own priorities and budget. Consulting with a professional window installer or energy efficiency expert can also provide valuable insights and guidance in making the best choice for your home.

Filed Under: Uncategorized

Double Glazing vs. Triple Glazing: Which is Right for You?

June 29, 2023 by Sapphire Windows

Are you considering upgrading your windows to improve energy efficiency and reduce noise? One important decision to make is whether to choose double glazing or triple glazing. This guide will outline the advantages and disadvantages of each option, helping you make an informed decision that suits your needs and budget.

Understand the Difference Between Double Glazing and Triple Glazing.

Before making a decision on whether to choose double glazing or triple glazing, it’s important to understand the difference between the two options. Double glazing consists of two layers of glass with a layer of air or gas in between, providing insulation and reducing heat loss. Triple glazing, on the other hand, consists of three layers of glass with two layers of air or gas in between, offering even greater insulation and noise reduction. Understanding the difference between these options will help you determine which one is right for you and your specific needs.

Consider Energy Efficiency and Insulation.

When deciding between double glazing and triple glazing, it’s important to consider the energy efficiency and insulation benefits of each option. Double glazing already provides a significant improvement in insulation compared to single glazing, but triple glazing takes it a step further. The additional layer of glass and air or gas in triple glazing offers even better insulation, reducing heat loss and keeping your home warmer in the winter and cooler in the summer. If energy efficiency and insulation are top priorities for you, then triple glazing may be the better choice. However, it’s important to note that triple glazing is typically more expensive than double glazing, so you’ll need to weigh the cost against the potential energy savings.

Evaluate Noise Reduction.

One important factor to consider when deciding between double glazing and triple glazing is the level of noise reduction you desire. Both options provide some level of noise reduction compared to single glazing, but triple glazing generally offers better sound insulation. The additional layer of glass and air or gas in triple glazing helps to block out external noise, making it a great choice for homes located in busy or noisy areas. If you live near a busy road, airport, or have noisy neighbors, triple glazing may be worth the investment. However, if noise reduction is not a major concern for you, double glazing may still provide sufficient sound insulation at a lower cost.

Assess Cost and Budget.

When deciding between double glazing and triple glazing, it’s important to assess your cost and budget. Triple glazing typically comes at a higher price compared to double glazing due to the additional glass and insulation. Consider your budget and how much you are willing to invest in your windows. If you have a limited budget, double glazing may be the more affordable option. However, if you have the financial means and value the added benefits of triple glazing, such as improved energy efficiency and sound insulation, it may be worth the extra cost. Assess your cost and budget carefully to make an informed decision that aligns with your financial situation.

Determine Your Specific Needs and Priorities.

Before making a decision between double glazing and triple glazing, it’s important to determine your specific needs and priorities. Consider factors such as noise reduction, energy efficiency, and security. If you live in a noisy area or near a busy road, triple glazing may be the better option as it provides superior sound insulation. On the other hand, if energy efficiency is your main concern, both double and triple glazing can offer significant improvements compared to single glazing, but triple glazing may provide slightly better insulation. Additionally, consider the level of security you require. By assessing your specific needs and priorities, you can make a decision that best suits your requirements.

Filed Under: Blog Posts

The overall quality of the finished product

Slim sighlines

Ease of operation

Thermal performance

Peace of mind for our 10 year company guarantee & beyond

Comparng the Sunflex SVG20, Cortizo Corvision & Origin OS29

Sunflex SVG20

Cortizo Corvision

Origin OS29

The beauty of aluminium entrance doors

The security features of aluminium entrance doors

Benefits of aluminium entrance doors

How to choose the right aluminium entrance door for your home

Maintenance tips for aluminium entrance doors

The cost of aluminium entrance doors

Professional installation of aluminium entrance doors

Conclusion: Making a lasting first impression with aluminium entrance doors

What are flush sash windows?

Benefits of flush sash windows.

Materials used for flush sash windows.

Maintenance and care tips for flush sash windows.

Cost: uPVC windows are generally more affordable than timber windows.

Maintenance: Timber windows require regular maintenance, such as painting and sealing, while uPVC windows are low maintenance and only require occasional cleaning.

Aesthetics: Timber windows offer a classic and natural look, while uPVC windows have a more modern and sleek appearance.

Durability: uPVC windows are known for their durability and resistance to rot, while timber windows may be more susceptible to damage from moisture and pests.

Energy Efficiency: Both timber and uPVC windows can be energy efficient, but uPVC windows often have better insulation properties.

Understand the Difference Between Double Glazing and Triple Glazing.

Consider Energy Efficiency and Insulation.

Evaluate Noise Reduction.

Assess Cost and Budget.

Determine Your Specific Needs and Priorities.

Do you have an enquiry?

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