Windows, Doors & Skylights

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Sliding Sash Windows

A sash window or hung sash window is made of one or more movable panels or "sashes" that form a frame to hold panes of glass, which are often separated from other panes (or "lights") by narrow muntins. Although any window with this style of glazing is technically "a sash", the term is used almost exclusively to refer to windows where the glazed panels are opened by sliding vertically, or horizontally in a style known as a "Yorkshire light", sliding sash or sash and case (so called because the weights are concealed in a box case). The oldest surviving examples of sash windows were installed in England in the 1670s, for example at Ham House.

The sash window is often found in Georgian and Victorian houses, and the classic arrangement has three panes across by two up on each of two sashes, giving a "six over six" panel window, although this is by no means a fixed rule. Innumerable late Victorian and Edwardian suburban houses were built in England using standard sash window units approximately 4 feet (1.2m) in width, but older, hand-made units could be of any size, as the image illustrates. It consists of an upper and lower sash that slide vertically in separate grooves in the side jambs or in full-width metal weatherstripping. This type of window provides a maximum face opening for ventilation of one-half the total window area. Each sash is provided with springs, counterweights, or compliant weatherstripping to hold it in place in any location.


Our Sliding Sash window provides a truly long-term, cost-effective solution for period style properties. It provides all the benefits that can be derived from modern high-performance materials, the advanced technology works in harmony with traditional design to provide extra comfort and practical features for modern living without compromising character or appearance.

All Our Sliding Sash Windows incorporate energy-efficient 24mm double glazed units with a window U value of 1.5 and are “A” rated as standard to help save you money on your heating bills.
The PVC window frames provide optimum strength, superior thermal properties and excellent weathering performance and will retain their pristine appearance year after year. Suitable for commercial or domestic buildings, the structural strength of our Sliding Sash Windows is enhanced through the use of steel or aluminium reinforcement with all fixings and hardware secured to the reinforcement. There’s also an interlock for the top sash, which increases the rigidity of larger windows.



Your home is your castle and the place where you keep your most treasured possessions. Choosing the right frames and hardware for your windows and doors will increase the security of your home, without compromising on style.
Safety and security are of prime importance to us and you can rest assured that your Window comes with the highest quality security features. Sliding Sash Windows are all fitted with hardware and locking options that have been proven to exceed the latest performance requirements of the Industry.

To facilitate operation, the weight of the glazed panel is usually balanced by a heavy steel, lead, or cast iron sash weight or counter-weight concealed within the window frame. The sash weight is connected to the window by a sash cord or chain that runs over a pulley at the top of the frame, although spring balances are sometimes used. Sash windows may be fitted with simplex hinges, which allow the window to be locked into hinges on one side while the counterbalance on the other site is detached, allowing the window to be opened for escape or cleaning.
The name "hung sash window" is more usual in the United States, and typically refers to a double hung window with two sashes that can move up and down in the window frame. A single hung window has two sashes but normally the top sash is fixed and only the bottom sash slides. Triple and quadruple hung windows are used for tall openings, common in New England churches.
Construction is usually of softwood, and units are generally single glazed; although double-glazed sashes are available it is more common for single-glazed sash windows to be replaced with top-hung casements when double glazing is retro-fitted. Some top-hung double-glazed units are manufactured to give the appearance of sashes.
Traditional problems with wooden sash windows include rot, swelling or distortion of the woodwork, rattling in the wind (due to shrinkage of the wood), and problems brought on by careless application of paint. The sliding mechanism makes sash windows more vulnerable to these problems than traditional casement windows. Sash windows are relatively high maintenance, but offer advantages in return (looks, abides by laws (relating to older houses and buildings), natural resources etc.). It is also possible to clean all the glass from within the building by sliding the two panes to different positions.
In recent years, uPVC sash windows have become available. These aim to replicate the aesthetic qualities of traditional sash windows, while overcoming many of the shortcomings - especially regular maintenance and painting, and energy inefficiency.

A significant advantage of sash windows is that they provide efficient cooling of interiors during warm weather. Opening both the top and bottom of a sash window by equal amounts allows warm air at the top of the room to escape, thus drawing relatively cool air from outside into the room through the bottom opening.

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Casement Windows

A casement window (or casement) is a window that is attached to its frame by one or more hinges. Casement windows are hinged at the side. (Windows hinged at the top are referred to as awning windows. Ones hinged at the bottom are called hoppers.) They are used singly or in pairs within a common frame, in which case they are hinged on the outside. Casement windows are often held open using a casement stay.

In the UK, casement windows were the most common house window before the sash window was introduced, and usually contained leaded glass - glass panes held in place with strips of lead (called lead "cames"; leaded glass is not to be confused with lead glass, which refers to the manufacture of the glass itself).[2] These casement windows usually were hinged on the side, and opened inward. The windows were covered by functional exterior shutters, which opened outward. Variants of casement windows are still the norm in many European countries, such as Denmark and Sweden.
They are opened with a crank, lever, or cam handle, which is placed around hand height or at the bottom and serves as a window lock.[3] A crank, stay, or friction hinge is necessary when the window opens outward, to hold the window in position despite wind.

Often the glass panes are set in a rabbeted frame and sealed with beveled putty or glazing compound to secure the glass.


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Tilt & Turn Windows

The window that acts like a door - turn the handle 90 degrees to tilt the window and allow air in, or turn it a further 90 degrees and the window opens inwards like a door. The Senator Tilt & Turn Window is a truly versatile system, ideal for many different types of installations - from individual houses to high-spec apartment blocks. Add to that the excellent security, elegant designs and high energy-efficiency and you can see why Senator PVC Tilt & Turn windows are so popular.

Our Windows use only superior quality PVC and glazing to produce Tilt & Turn Windows that combine the best looks with exceptional energy efficiency. Their Tilt & Turn Windows have a U value of 1.4, which exceeds the requirement set out by the Department of the Environment for Irish Building Regulations, and are ‘B’ energy-rated as standard. (Also available in “A” Rated triple-glazed options).

Because they use only the very best fittings available, you’ll find operation of the Senator Tilt & Turn window both smooth and effortless. And because the window can open inwards like a door, you’ll find cleaning the outside of your windows so much easier.



Your home is your castle and the place where you keep your most treasured possessions. Choosing the right frames and hardware for your windows and doors will increase the security of your home, without compromising on style. Senator Tilt & Turn Windows are all fitted with our high security multi-point locking mechanisms, which have been proven to exceed the latest performance requirements of the Industry.

Very importantly, the Senator Tilt & Turn window also meets strict fire and safety regulations. The side-opening function allows the window to be used as an effective fire escape, which complies with Irish Building Regulations. *
* Source of data: Department of the Environment, Building Regulations 2006

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French Windows

French Windows are one of the many popular choices. They are ideal for any new-build or window replacement project. In our extensive range, you will find the most secure, elegant, versatile and energy-efficient products on the market.

Designed to provide optimum strength, superior thermal properties and excellent weathering performance, they retain their pristine appearance year after year with the minimum of maintenance.


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Custom Windows

Gama Group offers a variety of window shapes to help you realise your unique design ideas. Choose from styles like true arch top (semi-circle), arch tops, gothic shaped tops or portholes (circular windows). You can also get Trapezoids, Octagons or many other speciality shapes. Senator shaped windows come in a variety of colours to match with other Senator windows and doors in your home.

windows-colours-IrelandWindow Colour Options

Whatever the location and style of your home, there is a colour and finish to match it. Choose from a range of White, Cream, Rosewood, Bog Oak or Classic Oak finishes, as well as a range of 14 additional colours to complement your taste. For those who prefer a true timber appearance, the Senator Casement & Tilt & Turn Windows is available in a variety of foil finishes. You can even choose dual coloured options; a foiled appearance on the external face, with a contrasting colour on the internal face to maintain a light airy appearance in the inside of the room

Glass Options

Whatever you want from your windows, plenty of natural light, thermal insulation, protection against overheating or noise reduction, Senator can combine various glass functions to suit all your needs.

The Glass that we use in our windows is one of the most energy efficiency window glass products available today helping to improve the window energy ratings of your glazing and making your home more comfortable:
This type of glass is commonly known as low emissivity glass, or low-E glass.

Where can it be used?
This glass is an extremely versatile group of products suitable for a wide range of domestic and commercial applications including:

  • • Windows and Roof-lights
  • • Patio doors & French doors
  • • Conservatories and Sunrooms
  • • Glass facades

How does it work?
This glass has a transparent metallic coating that reflects heat from radiators or fires back into the room, rather than allowing it to escape through the windows. At the same time it allows free heat and light from the sun (known as passive solar heat gain) to pass through the glass, warming your home and further contributing to the energy efficiency of your windows.



  • • Improved thermal insulation - reduces heat loss more effectively than traditional low-E coatings
  • • Promotes passive solar heat gain - free heat from the sun passes easily through the glass helping to warm your home
  • • Improved energy efficiency - reduced need for heating helps to save energy and protect the environment whilst saving you money on heating bills
  • • More comfortable rooms - improved thermal insulation means fewer cold spots and drafts near windows and doors
  • • Less condensation - the inner surface of the glass stays warmer reducing internal condensation and prolonging the life of your window

Neutral Appearance

• No unsightly tint - Unlike traditional low-E coatings that suffer from an unsightly yellow tint, our glass looks very clear. This means your curtains or Georgian Bars will not look dirty or discoloured
• More light - less tint also means more light can enter the room, making it more comfortable and luminous
• No 'haze' effect – our glass does not suffer from the unsightly tint commonly associated with traditional low-E products

Glass Combinations

Our glass range can be combined with many other products, permitting a multitude of high performance, multi-functional glazing options including:

  • • Double Glazing – as standard
  • • Triple Glazing
  • • Passive Options

Double Glazing

If you have standard single-glazed windows, the chances are that your home is colder, noisier and less secure than it should be. Double glazing combats these problems by reducing heat loss and noise pollution in a stronger, safer model.
Double glazed windows use two panes of glass instead of one, (one pane of low iron glass and one pane of low E glass) with an airtight gas filled chamber in between them to create an insulating barrier. Double glazed windows let out significantly less heat, meaning you don’t have to rely too heavily on central heating. This brings down your bills and helps to make your home more energy efficient.
Double glazed windows also make your home quieter, and are harder to break than single glazed windows. The main point of entry for intruders is through windows and doors, so having Senators high security double glazing is an important step towards a safer home.
At Senator we use double glazing as standard in all of our glass products, including our windows, doors and conservatories
Double Glazed Certification & Combinations

Triple Glazing

Our Triple glazed windows use three panes of glass instead of two as in our standard double glazed units, with an airtight gas filled chamber in between them to create an insulating barrier.
Especially beneficial in home where excessive heat loss or solar gain is a concern, the glass combinations in triple glazed windows, a combination of thermal insulation and solar gain allows you to make to make a significant reduction to home energy usage. Triple glazed windows allow less heat loss and can regulate solar gain more efficiently.
Noise pollution is a serious issue, particularly when living in an area with high levels of air traffic or busy roads. Too much noise can be damaging to health (increased stress, disrupted sleep). It can hinder academic learning and concentration. Triple glazed windows make your home quieter than double glazed windows, triple glazed windows are ideal for areas where noise reduction is important Triple Glazed windows are harder to break than double glazed windows. The main point of entry for intruders is through windows and doors, so having Senators high security triple glazing is an important step towards a safer home.
At Senator we offer Triple glazing as an optional extra in all of our windows features

1. Far exceeds BFRC & NSAI Window Energy Rating A rating performance
2. High performance triple-glazed units optimise the balance between U-values and g-values to maximise energy efficiency.
3. Suitable for low and zero carbon homes and for use in new builds.
4. Can be used in Passive house builds

Triple Glazed Certification & Combinations

Other Glass Options

We also offer a number of specially designed glass options, including the following:

• Glass Decorative
• Obscure Glass
• Toughened Safety
• Security Glass
• Self-Cleaning Glass

Decorative Glass
Senator offer a range of decorative glass such as leaded lights coloured leaded lights and bevelled glass.
Obscure Glass
Protect your privacy with Senator Obscure glass, available in a range of attractive patterns.
Toughened Safety Glass
Toughened safety glass is stronger and more impact-resistant than standard glazing. If something does break your glass, it will shatter into smaller, virtually harmless pieces instead of more dangerous shards.
Security Glass
Senator security glass combines the heat-retaining elements of our standard sealed units with specially reinforced elements which make it almost impossible to break through.
Self-Cleaning Glass
The ultimate in low maintenance, self-cleaning glass includes an outer coating which reacts with sunlight to break down dirt, which is then easily washed away by rainwater.

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Front doors & balcony doors

Gama Group offers an endless variety of styles for every home, for front, back or balcony doors. These beautiful, maintenance free front, back and balcony doors come in a wide range of colours and styles to give your home an individual look.

As well as being beautiful, these doors offer great security against burglars. Each door is hung on three hinges and combines a multi locking mechanism, because each door is tailor made exactly to suit your home, you'll eliminate those drafts and lower your heating costs.

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Composite Doors

Composite Doors create a stunning first impression and they perform as well as they look. We believe they are the highest quality composite doors on the market today, with the widest range of styles and colours available. In total 8 doorstyles are available in 6 different colours, all with an amazing real woodgrain effect. We hope you enjoy the extensive range available.

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Patio Doors

Sliding patio doors are available in two, three and four-sash models. The precision engineering behind these products results in smooth, easy operation and tight, secure closure. These doors feature a five-point multiple locking system and solid, zinc-plated steel tandem rollers that act a lot like your car suspension.

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Bi Fold Doors

From restricted doorways to large openings a folding sliding door can be installed in situations that many people feel are not possible. The solutions to your applications are endless. The folding sliding door provides you with so much flexibility and choice. Your wish is our command.

Gone are the days of French doors with a glass panel on either side. Gone are the days of the sliding door, which, when you think about it, is just a door with a large window at the side. Why block half of your available opening? Why not take full advantage of the space you have?

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Modern skylights offer a new system specifically to provide highly effective Orangery Roof Lights, it incorporates all of the benefits of the Standard GAMA roof but without the need for intrusive hood covers and internal cover plates. This unique system allows the maximum amount of light in whilst giving industry leading u values of 0.6 wm2 with 44mm triple glazing. (40mm sight lines).

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Contact GAMA

Straide, Foxford, Co. Mayo, Ireland,
E: This email address is being protected from spambots. You need JavaScript enabled to view it.
T: (094) 9031335

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