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Aluminium windows

Aluminium is a very light weight, high strength material that is very durable and highly resistant to corrosion. When recycled aluminium loses none of the physical properties which is why it is generally regarded as one of the world’s most sustainable building materials.

Utilising the very latest in thermal break technology by inserting large polyamide insulating strips between the inner and outer skins of aluminium, ensures excellent thermal performance and enables us to manufacture some of the most advanced, energy doors and windows on the market.

Key features

  • Compliant with Building Regulations.
  • Full range of finishes and opening variations.
  • Choice of outer frame depths.
  • Fully complement our doors and roofs.
  • High security, low maintenance and fully guaranteed.
  • Choice of glazing options.

Versatility in design

Side and top-hung windows

We offer side or top hung windows providing the benefit of not encroaching into any internal space. With slim sightlines together with the option of a secured night vent position and varying degrees of ventilation with the systems stainless steel frictions stays.

Other benefits include:

Wider variety of combinations: Top-hung and side-hung frames can be combined together with fixed frames to offer a huge variety of designs.

Variable ventilation: Top-hung and side-hung windows have the option of a secondary locking position allowing windows to be secured in a night vent position allowing ventilation whilst being locked closed. The friction stays allow the window to hold itself open at any position rather than the set positions with a traditional side-hung or top-hung window with surface mounted stay arms.

Greater security: Integrated hinge mechanisms between the opening sash and frame means that there are no external hinges that could be attacked on the outside. Utilising a multipoint locking mechanism, internal key locking handles and internal beads the systems offer the highest level of security as standard.

Ease of cleaning option: Side hung windows can be fitted with easy clean hinges allowing the window sash to be released and slid away from the outer pane using the alternative hinge mechanisms. This will give you the ability to reach outside safely from the inside to clean the glazing and windows without having to squeeze your arm or hands through any tight spaces.

Tilt and turn windows

Tilt and turn designed inward opening windows are commonly used throughout the world and are becoming increasingly popular in the UK. They are regularly specified in modern architectural designs where maximising of glass area with minimal framework is being sought. This type of window can transform the appearance of a building, providing a more contemporary look.

Other benefits include:

Larger opening sections can be designed: Opening sections can be from floor to ceiling in full glass without any horizontal frame separation - ideal for conservatories.

More practical means of ventilation: Standard venting on window is via tilt position. This allows the opening vent to be tilted inwards. Allowing good convenient ventilation, even on windy days or when there is a risk of rain without the problems associated in these conditions with outward opening windows.

Greater safety for high level windows: High-tech locking mechanism allows the windows’ opening functions to be restricted for improved safety Operation of the window can be set via the key lock on the handle. Thus allowing the window to be limited to tilted and closed only, locked in tilted position only or allowed to be fully functional.

Greater security: Tilt and turn windows when left open in the tilt position are less vulnerable to unwelcome access associated with conventional open out windows when opened beyond their standard locked, venting position.

Ease of cleaning on high level windows: Tilt and turn windows are idea for high level applications. The turn facility on the opening mechanism allows the opening vent to swing completely inwards, making cleaning of glass a simple chore and eliminating the need for ladders or employing the services of window cleaners.

Technical

 

Finishes

Standard aluminium finishes

As standard we offer the choice of the three colours, white RAL 9016 semi-glass, anthracite grey RAL 7016 semi gloss and graphite black RAL 9011 matt, as shown below. Anthracite grey RAL 7016 offers our shortest lead time. Once we have prepared a quotation, we are able to send you a colour sample for approval prior to progressing with your order.

Standard-Colours-9016-7016-9011.png

 

Special RAL colours

Over our standard range we are also able to offer the full RAL classic colour range. The range consists of over 200 colours which come in a matt, semi-gloss or full-gloss finish. The colours shown in the swatch will give an indication to the colour shade, however before progressing with an order we can provide aluminium samples for your approval.

RAL colours for aluminium windows by IDSystems

 

 

RAL swatches for aluminium windows by IDSystems

RAL swatches

RAL classic colour swatches can be purchased directly from us for £10.99 (including postage).

The full colour swatch is a great tool to allow you to choose the colour of your doors and windows to complement your internal decoration, external render, brickwork or other features within your project.

To order a RAL swatch you can make a card payment over the phone by calling us on 01603 408804. If you have narrowed down your choice we are able to send a colour sample for your approval when placing an order.

 

Glass options

As standard all of our products will be fitted with glazing that exceeds Building Regulations Document N and L which govern safety and thermal efficiency. Over our standard glass there are many options for you to choose from including:

  • Laminated glass: Improved security and UV reduction preventing furniture fading.
  • Tinted anti-sun glass: Reducing solar gain, available in blue, green, grey or bronze.
  • Neutral anti-sun glass: Neutral in colour with reflective properties to reduce solar gain.
  • Self-cleaning glass: Reduces the need to clean the glass, very useful in roofs.
  • Obscure glass: Our satin deco is a stylish solution for areas requiring privacy.
  • Low-iron glass: Improves the light transmittance through glass while providing some free energy.

 


 

Dimensions

All opening vents are hung on concealed stainless steel variable angle friction stays with easy clean, egress hinge as standard where possible.

Side-hung windows can be up to 700mm wide and up to 1,300mm high.

Top-hung windows up to 1,300mm wide x 1,300mm high with restricted hinges where required.

For larger panes we also offer inward opening tilt and turn windows up to 1,500mm wide x 1,500mm high. Although greater heights can be achieved by reducing the width up to 2,400mm maximum.

Profile

Clean slimline square edged profiles provide a contemporary look, much sought after in modern design architecture. The aluminium profile incorporates chambered sections which enable larger vent designs to be achieved due to the increased strength and stability provided. A polyamide thermal break delivers optimum thermal efficiency and greatly reduces the risk of cold transfer from the outside to the inside associated with older traditional aluminium window systems.

Security

All opening vents offer a very high level of security and give a quick smooth and easy operation. As standard vents would be fitted with an internal key lockable handle to operate espagnolette multipoint locking mechanism. However, non-key locking handles can be supplied for fire escape windows. Each individual locking point is on an eccentric cam, which allows adjustment to ensure a tight compression seal. Casement windows have an additional locking point enabling a partial opening position for ventilation (night vent position).

The lockable window handle has a 90° stop position for espagnolette window locks. In operation the handles are opened by pushing the cylinder button and the handle locks automatically when closed. However, for additional security the cylinder can also be deadlocked with the key.

As standard all opening and dummy vents are internally beaded for additional security, alternatively an externally glazed system is possible.

For high level and hard to reach windows we are able to fit automated window opening mechanisms that can work via a crank handle or electric motor.

Weather seals

System tested and approved to the highest BS 6375-1:2009 exposure category and conforms to BS 7950:1977 weather tightness classification:

  • Air permeability Class ‘C’.
  • Water tightness – 600Pa.
  • Wind resistance – 2,400Pa.

Appearance

Our aluminium windows are available as standard in polyester powder coated white RAL 9016 or anthracite grey RAL 7016 in a semi-gloss finish. Casement handles are available in graphite black RAL 9011, white RAL 9016, anthracite grey RAL 7016 and satin chrome. As standard tilt and turn handles are coloured to match the frame.

Other RAL colours (over 200 colours) are available, or even different colours to the inside and outside, or wood grain effect are available for an extra charge. In addition you can specify the gloss level of paint finish. For systems installed within 5,000m from a shoreline the requirement for Marine environment paint finish is also available. A marine grade consists of all profiles being first cut to length then powder coated with a coating at least 60 microns ensuring there is no exposed aluminium meeting at the corner joints.

For more information please contact our technical sales department.

Ventilation

Trickle vents with an airflow equivalent to either 2,500mm2 or 5,000mm2 can also be incorporated with the addition of a 20mm add-on head profile; these also can be colour coded to suit.

Fire Escape

Under Document B of Building Regulations it is a requirement that windows in habitable rooms in upper storeys of domestic dwellings, which are serviced by only one stair, be designed to provide a means of escape.

The window must have an opening area of at least 0.33m2 and be a minimum of 450mm in each direction. The bottom of the opening area should be no more than 1,100mm above the internal floor. To accommodate this requirement windows must be designed with larger opening top hung vents or side hung vents fitted with fire egress hinges.*

Egress hinges open to 90° and by pressing a button on both the top and bottom friction stay hinges this allows the vent to slide fully across thus providing an unobstructed means of escape.

* Note: The clear opening calculation must take into account the area taken up by the opening vent. As a guide it is best to specify the dimension from outer frame to centre of mullion to be a minimum of 650mm to comply.

Customised

Dummy sash inserts are available when equal glass sightlines are required, providing a balanced appearance.

Designs can be customised according to your preference – the options include mid-rails, mullions, plant-on bars with dummy spacer grids, deeper top and bottom profiles and solid in-fill panels, among many others.

Glazing

The system is internally glazed and depending upon type can accommodate glass thickness from 4mm to 36mm. Our standard 28mm unit comprises of 4mm clear toughened glass with Low-E (low emissivity) to the inner pane x 20mm argon gas cavity x 4mm clear toughened glass to comply with building regulations for safety and thermal efficiency.

All sealed units are BS kite marked, manufactured to BS EN 12600 and BS 5713:1979 standards.

Window Energy Ratings

Window Energy Ratings (WER) are similar labels to what you will find in an electrical superstore when you are buying white goods. They range from band A to G with A being the most efficient. 

When a window achieves an A band, on the label it means that a window is equally balanced. It will let through as much energy from outside vs the amount of energy it loses from inside by the use of low-iron outer panes and Low-E (low emissivity) inner panes. The transfer from energy from outside is called solar gain and is measured with a g-value and the heat losses from inside are measured with a U-Value.

This is very important information to consider when purchasing windows. Whilst an A rating may sound as though it is the best window available you might want to consider if you will be a benefitting with an A rated window over a B or a C.

For example, a window on a north elevation or in a shaded position will not benefit from solar gain as there would be no direct sunlight or energy pass through the glazing. So it would be better to benefit from improved thermally efficiency (U-Value) to reduce heating bills. You might have a large number of windows on a south elevation that you do not want to act like a greenhouse and let through vast amounts of heat.  In this situation of the undesirable ‘greenhouse effect’ on windows many customers like the benefits of anti-sun or solar control glass. However, if this glass was specified it may not comply with replacement regulations, as it reduces the solar gain (g-value) although they would give a more comfortable living environment.

Because of this IDSystems prefer to prioritise on offering the most thermally efficient windows (this is the heat loss). As after all this is what you will notice in the way of your heating bills and you would not usually have your heating on when the windows are experiencing the highest level of solar gain during the summer.

At IDSystems we will always ensure that our products will meet or surpass current regulations. And we are always improving the quality and range of our products to offer improved thermal efficiencies and Window Energy Ratings.

For further advice please contact our technical sales department.

IDSystems offer a wide choice of glazing options, including internal venetian which can be incorporated inside the glazed unit. These are very popular, especially on internally opening systems where curtains are not practical.

U-Values and heat losses

A U-Value is a calculation of the amount of heat lost through a building material. The calculation of U-Values can be quite complex as it is measured as the amount of heat loss through a 1m2 of material for every degree difference in temperature either side of the material. It is indicated in units of watts per square metre per degree Kelvin or W/m2K. The simplest way to approach U-Values is the lower the U-Value the more thermally efficient a product is.

A U-Value of a door or window is calculated by working out by determining the U-Value of the frame and the area of the glass and is then quoted as an overall U-Value. Beware that some manufacturers may just be providing the U-Value of the glass alone which gives a false overall value. All of our systems have been thermally simulated in accordance with CE standards to BS EN ISO 10077.

Building Regulations approval will be required on all extensions and new builds to which we are able to provide CE data showing compliance. Any replacement works we are able to cover being a member of FENSA and a certificate would be provided on completion of our installation.

Single, double or triple glazing

Single glazing can be used for internal systems that do not have to meet Document L regulations regarding thermal efficiency. Single glazing is available in a variety of thicknesses, types and colours. The most popular options on our internal door systems are clear or satin deco which lets through light but offers privacy.

Double glazing is a minimum requirement for external doors and windows. Our standard double glazed units consist of a soft-coat Low-E (low emissivity) pane and an argon gas filled cavity which provides a centre pane U-Value of 1.2W/m2K. Over the standard we can provide super insulated double glazed units providing a centre pane U-Value of 1.0W/m2K whilst providing solar control.

Triple glazing is becoming increasingly popular, especially in total new builds, as it provides the lowest U-Values possible and can be up to 40% more efficient than double glazing. Combining two panes of Low-E glass and two gas filled cavities glazing U-Values as low as 0.5W/m2K are possible with the added benefit of great sound reduction.

For more information on our huge range of glazing options or for help in specifying the correct glass for your project contact our technical sales department on 01603 408804.

Solar control and the benefits of solar gain

With the standard glass specification retaining as much heat as possible you may wish to consider reducing the heat transfer from outside which is known as solar gain. Solar gain can make glass roofs, conservatories or south facing elevations quite uncomfortable in the height of summer months.

A solar control glass is a glass with a either a special coating or a body tint to reduce the amount of heat entering a building either by reflecting or absorbing heat. Using a solar control glass can reduce the need for air conditioning and blinds. Whilst the solar control glasses are great at reducing the heat they will also reduce light transmittance.

Building control often recognise the benefits of solar gain in modern buildings as large areas of glass will work as a source of free energy during cooler months and increased solar gains are recommended. The use of low-iron glass can increase the heat and light transmittance to provide further solar gains during the autumn and winter months. Many modern designs incorporate overhangs to cast shadows over glazing during the summer combatting the solar gains. Thus allowing solar gains as the sun gets lower in the sky later in the year reducing the need for heating.

Safety glass

When required we fit toughened glass to comply with Building Regulations Document N as an alternate method of compliance we are able to fit laminated glass. Both options have their pros and cons.

Toughened glass

Toughened glass has been heat tempered to increasing its strength over ordinary annealed glass by up to five times. Other than the strength the advantage of toughened glass is that should it break it would shatter into non-sharp pieces. It is also available with the widest variety of coatings and can be supplied in larger sheets than equivalent thickness laminated glass.

When the glass is toughened it can suffer from some visual distortion making, meaning the face of the glass is not perfectly flat distorting some reflections.

Laminated glass

Laminated glass is manufactured by bonding two panes of annealed glass with a clear plastic interlayer. The benefit of laminated glass is that if it’s broken the glass will crack rather than shattering, improving security. In addition, laminated glass reduces bleaching of carpets, curtains and furniture by filtering UV rays that would usually penetrate the glass.

The drawback of laminated glass is that extreme heat or cold can cause invisible defects in the glass to form a crack due to the two panes expanding and contracting independently. As the laminated glass is not toughened is does not suffer from the visual distortion that can occur to toughened glass during the toughening process.

Custom designs

As well as offering full height clear glass we can also provide a more traditional style of glazing by incorporating glazing bars, Georgian grids or lead work. Please contact us for further information.

Venetian blinds

We are able to fit venetian blinds within the glazed unit, ensuring a totally dust-free environment which requires no cleaning or maintenance. These are very popular, especially on internally opening systems where curtains are not practical.

Integrated blinds can be tilted to help prevent the build-up of excessive heat and glare of the sun during the daytime and provide privacy when closed. Blind units can be manually operated with an ingenious magnetic control device or electronically operated via remote control. Please visit our dedicated blinds pages for further information.

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