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Secondary  
   

Relying on the government to protect your privacy is like asking a peepint tom to install your window blinds.
--John Perry Barlow

 
       
 

Installation of Secondary Double Glazed Windows for Renovations and Refurbishment

Sometimes it may not be possible to replace old windows and doors at your discretion, such as when the building is heritage listed and the owner is required to maintain the period features outside or when body corporate/council permission must first be obtained because any new double glazed windows and doors should match all other windows. In practice, customers are rarely rejected such quality, value added improvements, especially when the existing windows are deemed unsafe, but appropriate permissions can take months and considerable effort. For customers who do not want to go through this trouble, one of the solutions is to install secondary windows.

Other clients are referred to Double Glazed Windows and Doors for secondary glazing by energy efficiency consultants and acoustic engineers, because secondary glazing is extremely effective in insulating your home against heat, cold, wind, water and noise. Essentially, secondary double glazing will mimic the benefits of triple glazing, but with a wider air-gap, creating the ultimate environment for absolute luxury and comfort.

The only condition for secondary glazing is at least 50mm wide interval from your existing windows to the start of the wall or if you have a windowsill with minimum 50mm wall space on the side. If in doubt, feel free to send us pictures, photographs or we can arrange for a surveyor to visit you for a free consultation.

Installation Process

When installing secondary double glazed windows, existing windows are retained. Double Glazed Windows and Doors' installers do not remove existing windows during the secondary window installation.

Tools Required:

  • Gloves, Goggles
  • Tape Measure, Spirit Level, Pencil
  • Electric screwdriver
  • Hand Drill, with 3, 3.5 or 4mm drill bits
  • Screws see below for sizes
  • Any type of Saw (to cut an aluminium angle)
  • Expanding foam
  • Window Packers - 1, 3, 7, 12mm

Fitting Secondary Double Glazed Windows and Doors

Window insertion involves fitting the window in the aperture, which is a two-stage process. The first stage involves levelling the window horizontally and applying packers until the desired level is reached. The second stage entails using packers on the sides; to prevent tilting forwards or backwards, so the double glazed window does not fall out when it is no longer manually supported.

If the double glazed window leans forwards or backwards, the window was not levelled correctly. This can result in window sash swinging in or out (if casement) when it would otherwise have stayed in position without having to apply the lock. It is prudent to check everything before moving onto the next stage.

The second stage involves screwing the window in place. We recommend using 120mm size screws. Decide on the corner for the first bottom screwing points - either left or right.

The screws are affixed one side a time, and it is necessary to maintain the window level during this process. The screwing points are strategically selected: the primary screwing points are 100mm from the bottom and top, and the remaining screwing points 350-400mm in between the top and bottom points. The number of screwing points depends on the window and door size.

On first application, the screws are tightened lightly, and only finished tight after all the screwing points have been attached. Failure to leave the screws gently fixed may result in the window curving slightly on one side. If the side looks bent, it is possible to decrease the magnitude by releasing the screw somewhat, adding packers then re-tightening the screw.

Sealing Secondary Double Glazed Windows and Doors for Insulation

It requires considerable skill to seal the new secondary double glazed window on the outside because movement is restricted by existence of the original window, so a corner nozzle for sealant is used to reach far enough to seal the window completely. If it is not possible to get access between the new and existing windows with a sealant, it will result in incomplete weather sealing, which will compromise the technical excellence and high performance of the new double glazed windows or doors. The use of corner nozzle will eliminate the need for squeezing and reaching between narrow space, save time and provide a more through seal around the window.

The aperture and the window require cleaning with a wet cloth at this point, because expandable foam and silicon are applied next. If the area is dirty, the silicon will not adhere properly and dust will become trapped on the surface, resulting in a sloppy and messy appearance. Dust is normal, and appears during drilling, but it has to be removed to enable good adhesion of filling substances and, therefore, insulation for the window.

Expandable foam is applied before the silicon on all gaps bigger than 7mm wide, and is left to dry for an hour. Once the protruding excess of the foam is trimmed down with a knife, silicon can be applied.

To ensure that the window looks attractive and stylish when the installation is complete, the right colour of silicon should be selected. Ideally, the silicon colour should match the window colour. The silicon that is used on the outside should be waterproof to prevent water leakage. Although using a waterproof silicon on the inside is desirable, sometimes the owner's priority is for interior design, so to allow the possibility of different finishes, using silicon that can be painted may be more practical to such clients.

The silicon is not only cosmetic, but also provides an effective waterproof, weatherproof and noise proof barrier for maximum insulation rating of the double glazed panel, window or door. Silicon dries quickly, but care should be taken nevertheless not to smear it.

Glazing of Secondary Double Glazed Windows and Doors

Care must be taken and safety remembered at all times, since the double glazed units can be particularly heavy and the risk of injury higher than working with window frames.

Glazing also requires use of additional tools comprised of:

  • Glass suction cups/ vacuum cups
  • Rubber or plastic hammer
  • Glass/ Glazing packers
  • Silicon or plastic glue

To start, apply glass/glazing packers on the bottom section of the frame/sash, on top of the indentation for glazing in the profile. The width of the packers should be between 5-7mm. This will raise the insulated glass unit, and even if you install the window correctly, it is still necessary to keep the glass straight and centre it inside the window. The double glazed unit differs from a single pane of glass in that if the double glazed unit is not centred, it will be obvious and it will compromise the modern and stylish design of the window.

The glass should be centred, that is, the distance of the gap at the top is the same as at the bottom. The side packers will keep the glass straight and prevent movement inside the sash. From the top, measure about 1/3 of the height of the glass pane, and by using plastic glue or silicon, attach glass packers to the side of the glazing indentation in the profile. For best results, the suction cups should be used for the next step. Place the glass in the prepared area. By using vacuum cups, it is possible to move the insulated glass unit around inside the glazing area, to make slight adjustments in order to achieve the desired position. Finally, using a rubber or plastic hammer, tap the glazing bead or strips around to hold the glass in place.

Final Step of installation of Double Glazed Windows and Doors

Where appropriate, (not on fixed panels) fit the handle and hinge covers. Test the window by opening and closing to ensure it is operational.

You should not have to use force to open and close the window, and it should be airtight when closed. The sash should fit into the frame and there should be no gaps between frame and sash and frame and wall when closed. If the window or door looks crooked it has not been correctly installed. Open the sash a few times and check if the operation is smooth and comfortable. It is possible to ease or tighten the operation according to he users preference.

 
 
 
 
 
 
 
 
 
     
 

New Construction

 

Installation of Double Glazed Windows in new homes or buildings is usually performed by the builder and his team, however, we are prepared to quote and provide an installation service if required. Installation fee is calculated on a per item basis and depends on the size and quantity of the items. The installation quote ordinarily includes glazing, but we can also provide a quote for installation excluding glazing, or a glazing only installation - we are flexible and understand that client circumstances vary.   Continued on the double glazed new construction page

 
     
 

Replacement

 

Installation of replacement double glazed windows and doors or for new constructions includes removal but not disposal of existing windows, and includes glazing, which involves fitting glass into the frame.
If you hired a builder to manage the installation, but they are unfamiliar with upvc, we provide consulting services to ensure the windows installation is trouble free.   For a detailed discussion on the subject of double glazed replacement click here

 
     
 

Double Brick

 

Awning windows have both federation and contemporary architecture applications. Our windows are more than just apertures for light and ventilation - they can be a major spectacle offering a connection to heaven and earth. With the right advice about placement and size, our windows can improve comfort, utilize daylight and natural ventilation for improvement in overall health and well being.   For supplementary material on double glazed double brick click here

 
     
 

Clading

 

Awning windows have both federation and contemporary architecture applications. Our windows are more than just apertures for light and ventilation - they can be a major spectacle offering a connection to heaven and earth. With the right advice about placement and size, our windows can improve comfort, utilize daylight and natural ventilation for improvement in overall health and well being.   To obtain additional information on double glazed clading

 
     
 

Single Brick

 

Awning windows have both federation and contemporary architecture applications. Our windows are more than just apertures for light and ventilation - they can be a major spectacle offering a connection to heaven and earth. With the right advice about placement and size, our windows can improve comfort, utilize daylight and natural ventilation for improvement in overall health and well being.   Extra information about double glazed single brick can be found here

 
     
 

Sealing

 

Many people have the impression that all silicone gels on the market are the same, but we have found that their properties and, therefore, suitability varies dramatically. Generally, the descriptions of silicone offer little information as to the correct grade and type for a given application, and because of performance variability, there is no one type of silicone sealant that should be used for everything. Using the incorrect silicone or improper use may cause joint failure, contamination of surfaces because of poor application, excessive movement in the sealed joint.   Examine all the facts on double glazed sealing page

 
     
 

Measuring Your Window

 

The most important part of the installation procedure for double glazed windows and doors, comes before you even order your windows. It is critical that you measure your old window opening properly and accurately. Pvc double glazed windows and doors are custom-built and can't be returned if the size ordered was inaccurate. This is why for all replacement windows and doors and some new constructions, our trained technicians will take their own measurements before manufacture. All of our double glazed windows and doors are manufactured to a high accuracy, so ideally you should get the closest fit possible.   Great suggestions and more on double glazed measuring your window can be found here

 
     
 

Double Glazed Windows and Doors

 
       
  0412 717 066  
  info@windowfactory.com.au  
 
 
     
 

French Door

 

Make a grand entrance to your outdoor living area and impress your family and friends with our traditional and carefully crafted Double Glazed French Doors that add charm and elegance to any home! Double Glazed French Doors open and close like conventional doors, and with an outswing design can save interior space, where it is limited. Combine with a wheelchair accessible threshold, a sidelight/ fixed panel or colonial bars that add the classic look of divided light, and Double Glazed French Doors will become a stunning feature of your home!   Great suggestions and more on double glazed french door can be found here

 
     
 

Sliding Window

 

Our Double Glazed Windows are more than just apertures for light and ventilation - they can be a major spectacle offering a connection to heaven and earth. Functional, intelligent and convenient are the defining characteristics of our Double Glazed Sliding Windows. All our windows are quipped with high quality hardware for effortless opening and closing enhance all these aspects. We combine efficient technology for Double Glazed Sliding Windows with sophisticated design creating that indispensable convenience for your home. Popular with contemporary homes, our Sliding system offers additional benefit of saving space and when used with mirrored glass, can even serve as a room divider for guest privacy.   Get the answers on your questions on double glazed sliding window on this page

 
     
 

Bay Window

 

Nothing can maximise cross ventilation without crating a draft like Bay Windows. They are more than just a period feature - when strategically placed they can replace air conditioning and provide a lovely feature for your home. They also make the room feel more spacious and appear larger, so they have been known to increase the value of a property. Typically, the bay windows are very large, even covering almost the entire distance from floor to ceiling. The effect of prolific natural light and stunning outdoor views from any angle in the room can be filtered or softened with window treatments.   For more information double glazed bay window

 
     
 

Stacker Window

 

Self sufficient and allowing for maximum natural ventilation, Double Glazed Stacker Windows slide and fold effortlessly demonstrating the refined taste of an intelligent consumer. Double Glazed Stacker Windows can create a vast amount of space along with an inviting contemporary character, and re-create a glass wall effect because they are not constrained to the same limitations of casement, awning and tilt & turn windows where the openings are restricted. The Double Glazed Stacker Window has two or more (upto six) panels, with one panel sliding past another, and all of the panels resting or being 'stacked' on one or two sides. They are a great alternative to Bifold Double Glazed Windows, when the client prefers the sliding style over the Bifold, or when space is at a premium, since with Stacker or Sliding Double Glazed Windows you need not worry about furniture placement or possible exterior obstacles. These windows feature ease of operation and maintenance, and a universally appealing design that will complement any modern home.   Read more on double glazed stacker window

 
     
 

Tilt & Turn Door

 

When design and utility are a priority, our cutting edge technology is sure to impress! For exceptional thermal and acoustic performance coupled with trouble free maintenance and ingenious design, this Door will exceed your expectations. The inward swinging Tilt and Turn Double Glazed Door, operates in the same way as the Tilt and Turn Double Glezed Window, and is built with the same care and precision that any window and door deserves. Special high quality hardware allow a single handle to operate all three functions: multiple security locking points for safety when locked, special hinges allowing the window to tilt inside for gentle air flow, and of course, the fully opening 'turn' function for maximum air flow and ventilation.   Get the answers on your questions on double glazed tilt & turn door on this page

 
     
 

Sliding Door

 

for a natural and continuous entry into the outdoor entertaining area, which defines any modern home, choose Window Factory Double Glazed Sliding Doors. Functional, intelligent and convenient are the defining characteristics of our Double Glazed Sliding Doors. All our doors are quipped with high quality hardware for effortless opening and closing enhance all these aspects. We combine efficient technology for Double Glazed Sliding Doors with sophisticated design creating that indispensable convenience for your home. Popular with contemporary homes, our Sliding system offers additional benefit of saving space and when used with mirrored glass, can even serve as a room divider for guest privacy.   Continued on the double glazed sliding door page

 
     
 

Fixed Window

 

Continuity, refinement and reflection of light will bring out the many benefits by the use of our Double Glazed Fixed Panels. They are cost efficient and offer the ultimum level of high performance in acoustic and noise insulation, since they are non-openable. Our approach deals with important aspects of architecture - the cultural and the natural environment. Combine together with other window and door types to allow the play of light and shadow in your home, or for breathtaking surrounding view, and improve the energy efficiency, sound insulation and comfort qualities in your home. Fixed panels have universal appeal and can be used in any style of home! They are environmentally friendly since they are recyclable and contribute to reduction in carbon emissions.   Get all the facts on double glazed fixed window

 
     
 

Awning Window

 

Double Glazed Awning Windows allow the window sash to swing outward rather than inward or up and down, so they can be located in may places around the home and easily arranged next to other window types. The awning window is the ideal window type for homes in the temperate climate zone, or homes that are positioned to take advantage of natural ventilation or breeze. Double Glazed Awning windows are made with compression and weather seal and provide higher air-tightness, energy-efficiency and acoustic insulation than other window types such as sliding and double-hung windows. Double Glazed Awning windows have a variety of applications due to their versatility and durability, and are particularly attractive option for contemporary homes because our Awning windows are manufactured locally to an indisputably imposing standard, impressing even the most discerning clientele.   To obtain additional information on double glazed awning window

 
     
 

Tilt & Slide Door

 

Our Double Glazed Doors are more than just apertures for light and ventilation - they can be a major spectacle offering a connection to heaven and earth. With the right advice about placement and size, our Double Glazed Tilt and Slide Doors can improve comfort, utilize daylight and natural ventilation for improvement in overall health and well being. Window Factory Tilt and Slide Doors are the most innovative and attractive deck/ garden or balcony doors available. Not only do they boast the tilt option of other popular styles, but the Tilt and Slide Doors were also designed to maintain our reputation for high performance.   More info on double glazed tilt & slide door

 
     
 

Bifold Door

 

Embrace the beauty and sophistication of our Bifold Double Glazed Door carefully crafted with uncompromising expertise and unsurpassed quality The Double Glazed Doors are the ideal choice for the aspiring or an expert entertainer, offering an awe inspiring effect of an unobstructed opening onto a pool deck, garden, private beach, bushland or conservatory. The superior performance features are maintained in this style, offering acoustic insulation of upto 40 dB, with excellent energy efficiency rating measured by a u-value of 1.8, all while being corrosion resistant and environmentally friendly.   Continued on the double glazed bifold door page

 
     
 

Euroslide Window

 

The all-round customer-friendly double glazed products offer an enhanced appearance as well as superior fabrication ease and performance. Together, the advanced form and function of sliding window system ensure lasting high quality, simple installation and satisfied customers. The Rehau Euroslide Design can be used to make a wide variety of upvc sliding double glazed windows and doors. Three main categories of pvcu window and door design can be fabricated.   For more information double glazed euroslide window

 
     
 

Toughened Glass

 

Also known as tempered glass, it is a type of safety glass that has increased strength and will usually shatter in small, square pieces when broken. It is used when strength, thermal resistance and safety are important considerations. At home you are likely to find toughened glass in the shower and sliding glass patio doors. For commercial structures, it is used in unframed assemblies such as frameless doors, structurally loaded applications and where there is a danger of human impact. Toughened glass is typically four to six times the strength of annealed glass.   Great suggestions and more on double glazed toughened glass can be found here

 
     
 

Delivery Schedule

 

Double Glazed Windows and Doors strive to deliver your order of double glazed pvc products in the shortest possible time to maintain high standards of service and efficiency. Normally delivery occurs 2-6 weeks after order, at an agreed date, however delivery times are dependent on size & complexity of your order as well as your location. Customers are also welcome to make their own arrangements to pick up the double-glazed windows and doors from our pvc window and door manufacturing facility.   For supplementary material on double glazed delivery schedule click here

 
     
 

Environmentally Friendly

 

Our Upvc Windows and Doors are ecologically sustainable in many ways: they are 100% recyclable; the non-lead stabilizers make the profile safe for children upvc products even have medical applications in neonatal care, save energy and carbon emissions by being thermally efficient; do not contribute to deforestation or alumina smelter pollution. Research shows that the most promising potential for lowering environmental impacts of windows is expected to be through the optimisation of the design and specific construction processes, which means increasing the quality of the windows with respect to their main function of saving heating energy in the use phase e.g. lowering the specific heat loss. Raising the amount of secondary material used, or lowering the amount of material required for the same function, may be another ground for optimization of the constructions.   To obtain additional information on double glazed environmentally friendly

 
     
 

Safety

 

Double Glazed Windows and Doors are committed to protecting our staff, customers, associates and public from risk and injury associated with working with windows and glass products. Most accidents are preventable, and we provide extensive training for our staff to deal with various situations and armed with knowledge and experience, we are confident they are well prepared for uncertainty. Double Glazed Windows and Doors maintain an effective OH&S plan that not only complies with the law, but also is continuously improved as we try to uphold the highest level of safety that reaches beyond minimum legal requirements.   To obtain additional information on double glazed safety

 
     
 

Test Reports

 

Purchasing upvc double glazing is not simply a cosmetic improvement, it is about technical advancement, high performance, safety and security, so by having various of our vinyl double glazed products tested in a laboratory to Australian Standards and the building regulations, ensures your double glazed windows comply with the minimum expected from any manufacturer in Australia. In fact, the double glazed window products that were tested have been found to outperform the minimum levels, and sometimes even exceed these levels several times over. Supplementary advice on double glazed test reports.   Additional information on double glazed test reports can be found at this location

 
     
 

Profile Systems

 

First impressions count and every effort has been taken to achieve the correct balance between form and functionality - visual appeal and practicality. From the strategic positioning of hardware, unrivalled surface finishing quality to the colour options - the Rehau Prestige Design leads the market in double glazed windows and door systems. Rehau is a German plastics manufacturer with world class facilities and unlimited polymer solutions. Get all the facts on double glazed profile systems.   Get the answers on your questions on double glazed profile systems on this page

 
     
 

Euroslide Staker

 

The all-round customer-friendly double glazed products offer an enhanced appearance as well as superior fabrication ease and performance. Together, the advanced form and function of sliding window system ensure lasting high quality, simple installation and satisfied customers. The Rehau Euroslide Design can be used to make a wide variety of upvc sliding double glazed windows and doors. Three main categories of pvcu window and door design can be fabricated.   Get all the facts on double glazed euroslide staker

 
     
 

Sizes and Dimentions

 

The total cost of delivery is directly related to the sizes and number of double glazing items in your order. If any of your double glazed windows or doors exceed a certain level in either height or width, we must use a bigger truck, which will raise the cost of delivery, even if you have only a single double glzing item. The first delivery level is 4m wide; the second delivery level is 6m wide. Of course, we always stack the items in a most efficient way to save space.   Supplementary advice on double glazed sizes and dimentions

 
     
 

Manufactured Locally

 

We don't share the vision of our competitors, for our product to be manufactured in China or India, and are committed to all round excellence in quality and service to our clients. We are disappointed that many consumers are tempted by the seemingly bargain price not realizing that the economy in cost is directly related to the quality not only of primary material but also of components. In our experience, advanced manufacturing techniques in precision and speed for improved automation and the use of intelligent, experienced and passionate people can provide long term and sustainable productivity improvements that lead to cost efficiency and price competitiveness. We are price competitive without compromising on quality because we are a lean, efficient and innovative organization that doesn't engage in opportunistic overcharging, and genuinely grateful customers and associates that would otherwise have not been able to afford such comfort and style reward us with a lot of return business!   Get all the facts on double glazed manufactured locally

 
     
 

Glass Warranty

 

Irrespective of the type of glass you choose for your windows and doors, you will be reassured of high quality through our warranty committment to you. All the glass we use in our windows and doors comply with Australian standards. We will repair or replace the insulated glass unit found to be defective within the applicable period and in accordance with the purchase contract.   Get the answers on your questions on double glazed glass warranty on this page

 
     
 

Colours

 

We appreciate the need to live in harmony with one's surroundings, both architecturally and environmentally, that is why our extensive range of colour combinations attracts many professionals seeking the combination of an eclectic colour range with a cutting edge technology. Our double glazed window and door colour profiles can be manufactured so that the profile beneath the veneer is not white, but has been made to match the veneer colour. The advantage of this method is, that in the event of an accidental damage to the surface, white fragments will not be visible and the double glazed window or door retains its original aesthetic appearance. Read more on double glazed colours.   For more information double glazed colours

 
       
 

Double Glazed Windows and Doors

 
  0412 717 066  
  info@windowfactory.com.au