Float glass is an inorganic product, with no bubbles, streaks or other. Overall relation of glazing thickness and heat transfer for pilkington optifloat clear. Float glass is an inorganic product, with no bubbles, streaks or other imperfections and ideal for use in windows and doors. Pilkington insulight insulating glass units for a range of. Safety is critical when glass is to be used in these situations and the pilkington technical advisory service can help with calculations for the glass thickness and construction. Patterned glass, tinted glass, performance glass such as pilkington k glass. This method gives the sheet uniform thickness and very flat surfaces. Pilkington k glass is the original hard coated, pyrolytic lowemissivity coated thermal glass which became the most wellknown and trusted brand by householders. Dw windows install windows that contain glass supplied by pilkington k.
Conservatories and sunrooms pilkington k glass, low e glass, suncool glass what is the u value of a typical double glazed sealed unit. The hermitage, amsterdam pilkington project references. Pilkington k glass is a low emissivity hard coated glass. The pilkington thermal stress calculator computes general guidelines as to which glass combinations and glazing details may need heat treatment to prevent thermal stress breakage from direct solar radiation. In other words, the amount of heat lost is balanced by the heat gained from the sun. As an accredited fitter of the pilkington spacia and landvac glazing, we can tailor a solution to your property.
The following table shows some typical u values for vertical insulating glazing pilkington insulating units and the effect of using k glass, argon and varying cavity widths. From the iconic gherkin to the windows in your home. It offers the same thermal performance as conventional double glazing in one quarter of the thickness and two thirds of the weight. It has a highly neutral appearance with optimal solar heat gain, thermal insulation and light transmission to provide the highest window energy rating wer. The overall thickness of the unit can be optimised to fit a variety of modern framing and bead dimensions. Pilkington k glass s lowe thermal insulation pilkington united. Pilkington pyrostop is a firerated and impact safetyrated glazing material that blocks radiant heat, protecting people and valuables on the nonfire side of the glass where radiant heat transfer might be a concern.
The coating reflects heat back into the room whilst also letting in free heat from the sun, known as passive solar gain. New to the pilkington k glass range is pilkington k glass ow, which is a development from the original pilkington k glass. The glass in your windows absorbs heat then radiates it again on the colder, outside, surface. Due to new energy ratings applied to glass, there can sometimes appear to be a haze on glass and we often have customers question this. Pilkington k glass for double glazing, conservatories and windows. Winlife pvc windows is suitable with any glass thickness between 4mm to. Between 5 m and m above floor level restrict the toughened glass thickness to 6 mm and 3 m 2 in one pane. Pilkington k glass ow on surface 4 for the ultimate in thermal insulation pilkington k glass ow can be used on surface 4 the exterior surface of the inner pane of an igu to provide the performance of a triple glazed unit with double glazing. Spacia proved to be the best solution thanks to the good thermal insulation value in combination with the. Review on windowglazing technologies and future prospects. Helps to reduce drafts near windows to create a more useful space in rooms. Pilkington k glass is available in a maximum pane size 6000mm x 3210mm and a thickness of.
Pilkington k glass s the latest product in our lowe range is. What is the thickness of glass used in most residential. Pilkington k glass has a special coating on the inner glass surfaces facing the air. The vast majority of residential windows use single strength glass which is 332 thick. With pilkington optiphon you can match any product in the range to a specific sound profile, and achieve superior performance without dramatically increasing the glass thickness. Data can be adopted for air or argon gasfilled cavities r w weighted sound reduction. Pilkington k does come in a tinted varient but only if you ask for it.
Pilkington mirroview is changing the way televisions and video screens are seen traditionally. Pilkington k glass is the uks leading thermal glass brand. Base the majority of your decision on this aspect of the buying equation. Woodgrain effect is a convincing alternative to timber windows giving a natural appearance but with all the security, thermal and accoustic capabilities of a modern window.
Pilkington going down the hill compare to others big and rich in cash east europe businneses. Above determined in accordance with en410 and en673. Technical glass products provides a complete line of pilkington pyrostop firerated glazing options to complement the fireframes heat barrier series frame system. Glass thickness for laminated glass excludes interlayer thickness. This is the first commercially available vacuum cavity unit on the market. Myra glass has been replacing double glazed windows and glass door panels for. In pilkington spacia, the air between the two panes of glass is extracted, creating a vacuum. Pilkington screen printed glass can be used in wide variety of applications including doors, bus shelters, telephone kiosks, display signs etc, in addition to the more traditional glazing of partitions, windows and facades.
Grosvenor restoration provides industryleading solutions for thin doubleglazing for listed buildings, and more specifically, sash windows. Double glazing windows double glazing installers fensa certass trade windows double glazing tips window secrets save money on double glazing double glazing prices window prices conservatory prices k glass a rated windows a rated windows b rated windows b rated windows c rated windows c rated. If you need a pilkington mirroview, come to bear glass. Pilkington k glass helps to maintain the internal room temperature with or without heating making it greener by energy saving so with pilkington k glass you can achieve higher efficiency. The windows in your home not only let in light to make rooms brighter, they also control the heat going in and out of the room. There was a clear requirement that thermal insulation of the windows had to be improved. Pilkington k glass a is a hard, online coated, neutralcoloured. Lowe, or lowemissivity, glass was created to minimize the amount of infrared and ultraviolet light that comes through your glass, without minimizing the amount of light that enters your home. How planitherm glass can help maximise comfort in your home. Now with the launch of pilkington k glass s, our new soft coat option.
Pilkington k glass a is a comparatively highvalue product and therefore, it is all the more important that its handling and processing is carried out in accordance with good glass and glazing practices. Float glass is a sheet of glass made by floating molten glass on a bed of molten metal, typically tin, although lead and other various lowmeltingpoint alloys were used in the past. Orientation may affect the appearance of the glass when in situ. Normally it should look like any other glass, you should only be able to tell it is k glass by the safety mark. Pilkington k glass forms the inner pane of an energyefficient igu, such as pilkington energikare. In colder atmosphere the window region is the coldest part of the house but with pilkington k. Pendulum body impact resistance to bs en 12600 for all pilkington optiphon is class 1 b 1 to achieve low u values in insulating glass units, pilkington optiphon can be combined with low emissivity glass from the pilkington k glass or pilkington optitherm ranges. The pilkington thermal stress calculator computes general guidelines as to which glass combinations and glazing details may need heat treatment to prevent. When incorporated into a pilkington energikare double glazed unit, it can easily achieve up to and beyond arated windows in all frame materials.
Established for over 21 years and easily stocked, processed and installed, it has become the trusted solution for meeting building regulations concerning energy efficiency. For larger windows, double strength, or 18 thick glass may be required. The shading coefficient of clear and body tinted glass is reduced, thus allowing greater flexibility of choice and design. The uk company pilkington started developing its popular lowe pilkington k glass at around the same time, with its first us patent on the technology granted in 1984. Energy efficiencypilkington spacia provides similar energy efficiency performance as a standard double glazed unit containing a lowemissivity glass, such as pilkington k glass but in a much thinner profile. The thickness width of outer frame in most windows is 50 55 mm while the thickness. Uks leading solution for thermal insulation in homes and public buildings, pilkington k glass is a low emissivity coated glass which is easily stocked, processed and installed. Jul 16, 2014 the appearance of haze on modern glass july 16, 2014 news, products dw windows install windows that contain glass supplied by pilkington k. Double glazing, replacement windows guide, pvcu, uk. Established for over 21 years and easily stocked, processed and installed, it has become the reliable solution for meeting building regulations concerning energy efficiency. This swirling patterned glass is suitable for use in doors and windows and is available in 4mm annealed and 4mm toughened.
Pilkington toughened glass is manufactured by subjecting the final glass size to a heating and cooling treatment. Over m above floor level toughened glass is not recommended. Refer to your technical glass products specifire selection guide, available from your sales representative or online at. Glass can be used as a floor panel or stair tread and even provide fire protection. Triple glazing weight, safety and performance meet the. There is a slight colour difference between these 2 types. Pilkington k glass s is a single stock, soft coated glass which can be used in annealed form or toughened, resulting in a product with the same thermal performance and neutral appearance.
Lowe glass windows have a microscopically thin coating that is transparent and reflects heat. Pilkington k glass has what is called a low emissivity coating on the surface that faces into the air gap of the double glazing unit. Both systems are supplied in a variety of colours with either a flat finish, or a woodgrain effect. Dw windows feel it would be beneficial for customers to be able to view the reasons for this haze from the producers of the glass. They sparkle and shine when the sun is out, but when the darkness sets in, their true beauty is revealed only if there is a light from within elizabeth kublerross youth hotel by ooffice. Once fabricated into an igu, it can be used in windows in all types of glazing applications in new houses, conservatories and in replacement windows for. Safety glass should be fitted in all doors and other windows or glazed areas that. Pilkington k glass a handling and processing guidelines. Pilkington optiphon is our high performance acoustic laminated glass. Pilkington evergreen and pilkington emerald green offer wide range of benefits. The low emissivity coating is a poor radiator of heat.
Upvc windows manufacturers kwikframes hull, yorkshire double. Pilkington everglade textured glass provides level 5 privacy high obscuration. It had gained a uk patent for a heatrejecting window for cars the previous year, using a central silver layer sandwiched between two metal oxide dielectric layers. An alternative to the original hard coated pilkington k glass. The most common thickness of glazing in domestic properties is 4mm, therefore, a typical dgu will weigh 20kgm2. Roof glazing creating a light well by using glass in the roof is a popular way of introducing light to central areas of a building. Choosing the right glass for your windows can make a huge difference to how they perform and how your home feels. When employees leave their responsibilities are often added on to other existing employees rather than hiring replacements this reduces the amount of new blood entering the business and also reduces advancement opportunities, as well as increasing stress on existing employees. Once fabricated into an igu, it can be used in windows in all types of glazing applications in new houses, conservatories and in replacement windows for existing homes. It looks like a normal mirror when the screen is off. Pilkington optifloat clear, pilkington activ, pilkington energy advantage, pilkington solare plus, pilkington optiview, and pilkington optar q3. The other important aspect was to prevent condensation from forming at temperatures below 7 degrees. Pilkington optitherm s1 pro t and pilkington optitherm s3 pro t are both soft coat lowe glass and part of pilkington optitherm range. Our wide range of glass can be used in various ways in an igu insulating glass unit to help achieve improved window performance, as well as aesthetic enhancement to any style of home.
Double glazing, replacement windows, double glazed patio doors, french windows, pvcu, hardwood, aluminium. Pilkington optifloat clear, pilkington activ, pilkington energy advantage, pilkington solare plus, pilkington optiview, and pilkington optar. For domestic installers a typical unit might be 400x1200mm. Oct 21, 2019 the uk company pilkington started developing its popular lowe pilkington k glass at around the same time, with its first us patent on the technology granted in 1984. The exact form and thickness of the coating can vary quite widely from. Established for over 21 years and easily stocked, processed and installed, it has become the reliable solution for meeting building regulations concerning. In the case of south facing windows with pilkington k glass double glazing units, the normal u value of 1. Low emissivity means the coating is a poor radiator. Double glazing, replacement windows 10 frequently asked questions. He recommends that you ask the window installersupplier to come back and check it.
If one unit has been replaced by the other type, you will notice the difference. As energy performance requirements tighten, windows with triple glazing will achieve the necessary levels of performance. The invisible coating on the glass reflects heat back into the room whilst also letting in free heat from the sun. There is an alternative glass that can be used in units. Had a quote to fit some patio doors and the company use 28mm pilkington k glass. The thickness is determined by the speed at which the solidifying glass is taken off the bath. Double glazed windows can be made in different thickness ranging from 12mm to 28mm. The result is a glass that is five times stronger than ordinary glass of the same thickness. Coatings on glass such as pilkington k glass maximise the free heat from the sun going in as well as ensuring that as little heat as possible goes out. A laminated glass is always recommended to ensure that the failure of one of the.
So you have even more ways to achieve the window energy rating wer. Pilkington k glass pilkington k glass is the original hard coated, pyrolytic lowemissivity coated thermal glass which became the most wellknown and trusted brand by householders. By using one of the lowemissivity products from the pilkington k glass range in your windows you can easily achieve a higher window energy rating wer. Official bim object models from pilkington architectural using real world data authored to nbs standards. A balance of high compressive stresses at the surface and tensile stresses in the centre of the glass increases its strength. But window makers such as pilkington discovered they could get.
What are double glazing uvalues, how are they calculated and do all the figured meen the same. Pilkington k glass has a socalled low emissivity coating which is positioned on surface 3 counting from the outside of the insulating glass unit igu. Pilkington k glass range a selection of available sizes above determined in accordance with en410 and en673. Comparatively, a tgu with 4mm nominal thickness glass will weigh 30kgm 2. Technical glass products architectural specification manual. In appropriate frames, pilkington k glass a can help windows meet the requirements of building regulations in the uk, for example part. This scale allows for the response of the human ear and could be used for determining. What is the thickness of glass used in most residential replacement windows.
As noseall says, 28mm is the width of the glass unit with the air gap in between dependant on glass thickness used. Double glazed windows myra glass 01 4659894 dublin. Pilkington optiphon laminated glass for noise control. This allows you greater flexibility in design, without compromising other functions such as light transmittance and impact safety. Pilkington k glass n pilkington k glass n is our long established pyrolitically on. By using pilkington k glass in your windows you can achieve a window energy rating wer. Its an alternative low emission glass from saintgobain solaglas. In addition to the normal considerations of thermal and solar control, sloping glazing is overhead glazing and we need to choose glass that is safe. Someone once told me to be careful that i am getting pilkington k glass, as for all i know it might just claim to be. Pilkington taffeta textured glass provides level 3 mid obscuration privacy.
Pilkington k glass has been established for more than 15 years making it the trusted solution for meeting energy efficiency building regulations. The weight of glass is the primary factor to consider when looking at the weight of the unit. Pilkington k glass s lowe thermal insulation pilkington. This brings a new degree of thermal performance to older buildings, and opportunities for thin glazing in new buildings. After controlled cooling of the glass, known as annealing, a clear and polished product appears.
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