TECHNICAL ADVICE
A Price Guide for Specifying Aluminium Bifold Doors
When it comes to specifying bespoke glazing systems, the cost factors involved can be overwhelming. From size, configuration, colour, locking options, it can be difficult to know which is right for your project and budget.
Knowing what cost factors are involved where specifying bifold doors are half the battle. If in doubt our experienced technical sales team are on hand to help assist with any questions.
At Sieger, we manufacture high-quality, bespoke aluminium bifold doors. Each system is made to order to ensure it meets any specific design requirements, and as such we have no set price as there is no standard bifold.
We have four bifold doors to choose from, each with its own set of design options. This price guide for bifold doors will ensure you consider all cost factors bespoke specifying your bifold doors.
Glass Specification
Double or triple glazing
Whether double glazing or triple glazing is specified will affect how much the bifold doors cost. A triple glazed bifold door will be more expensive due to the extra pane of glass, extra insulating gas cavity and deeper frame needed to accommodate these. However triple glazing can help to reduce costs of heating bills due to the increased thermal efficiency.
Glazing options
Sieger offers a wide range of glazing options for all of our systems. This includes but is not limited to low iron glass, glazing with solar control coatings and decorative glazing such as glazing with coloured or fabric interlayers.
The extra steps needed in the manufacturing of systems with these types of glazing options incur extra costs. Often these coating or glass types are not necessary, however, there are some cases we would recommend them.
One instance of this would be if a large bifold door, our Sieger Super Lux Bifold Door for example which can reach staggering heights of 5m tall, was south facing. In this case, we would recommend a solar control coating to avoid overheating in the internal living space.
All of our insulated glazing systems come with a low e coating as standard, at no extra cost.
Size
One obvious factor when it comes to the cost of aluminium bifold doors is the size. Naturally, the bigger the door the more glass and frame and therefore they are more expensive.
This goes for the height and width of each pane as well as the number of panes. Our Sieger Super Lux Bifold Door systems can reach up to 5m tall and 1.2m wide.
With no maximum number of panes for our Sieger Lux and Super Lux Bifolds doors, these systems can be manufactured to fill extremely wide structural openings.
Configuration
Another factor that is important to consider is the configuration of the bifold door. Our systems can be corner opening, biparting and include a traffic door. Configuration can sometimes increase the cost of a bifold door as there are extra steps and considerations during the design process.
Why choose aluminium?
Choosing the right frame material is the first step. uPVC, aluminium, steel and timber are all popular choices and when it comes to choosing the right one for your project there are many factors that need to be considered.
Steel framed bifold doors are the most expensive framing option, and whilst steel framed glazing does have many benefits, aluminium is the superior frame material for glazing systems.
uPVC is the cheapest option for bifold doors; however, this frame material comes with many disadvantages such as discolouration from the sun, expanding with temperature changes and lower thermal performance.
Timber framed bifold doors are high maintenance and there are fewer finishing options, limiting the design if you want the bifold door to fit in with a specific aesthetic.
By process of elimination that leaves aluminium at the top choice for bifold doors, especially over uPVC and timber. Aluminium is a low maintenance frame material that has a wide range of frame finishing options, is cost-effective, durable and environmentally friendly.
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Frame Finish
Glazing can be used to make a statement about your home, and so having flexibility in design is essential. whether you want your bifold doors to stand out against the rest of the home or blend in seamlessly with its surrounding, being able to specify bifolds with specific design requirements is essential.
Our aluminium bifold doors can be finished with a polyester powder coating in any RAL colour. PPC is the most popular finishing option for aluminium framed doors as there are over 200 RAL colours to choose from and the process doesn’t release harmful pollutants into the air.
Other frame finishing options for aluminium include anodising and special finishes such as timber effect.
With all this being said, if there are budget restrictions on a project, glazing is not the place to cut corners. Glazing has the ability to transform the overall design of internal and external spaces and can impact the thermal performance of the home as a whole.
Choosing high-quality glazing is essential for any type of building project. For more information on our bespoke aluminium bifold doors, call 01494 722 882 or email [email protected]
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