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Glazing options

Sashed double glazed units

You have a choice of enhanced glazing options, but to give you a baseline, the majority of our timber windows and doors are priced with either 22mm or 16mm double-glazed units. Our 22mm double glazing units consist of 4mm glass on the outside, 16mm space filled with Argon gas to prevent heat transfer and 4mm glass on the inside (4/16Ar/4), offering excellent U-Values with soft coat low emission (low-e) Argon filled units and a centre pane U-Value of 1.1 W/m²K. Our 16mm glazing units consist of 4mm glass on the outside, 10mm space filled with Argon and 4mm glass on the inside (4/10Ar/4) and a centre pane U-Value of 1.4 W/m²K.

Sashed triple glazed units

Our standard triple glazed products are glazed with Low-E Argon gas filled units. The standard triple glazing units consist of 4mm glass on the outside, 8mm space filled with Argon gas to prevent heat transfer, another 4mm of glass, another 8mm space filled with Argon gas, and 4mm glass on the inside (4/8Ar/4/8Ar/4). Our triple glazed products offer superior U-Values with soft coat low emission (low-e) Argon filled units and a centre pane U-Value of 1.0 W/m²K. Triple glazing is available on our 193mm depth spring balanced sash windows.
Centre pane U-Values as low as 0.5 W/m²K can be achieved by using triple glazing units consisting of 4mm glass on the outside, 18mm space filled with Argon gas to prevent heat transfer, another 4mm of glass, another 18mm space filled with Argon gas, and 4mm glass on the inside (4/18Ar/4/18Ar/4). We can use this type of triple glazing in sliding patio doors.
Triple glazing is the ideal choice for large glazing areas as it allows maximum glazing sizes with minimum heat loss. The improved sound installation of triple glazed units can also increase the acoustic performance of a window.

Toughened glass

Sometimes toughened glass is required to comply with building regulations. Toughened glass is up to five times as strong as ordinary glass which means that it has to be hit much harder in order to break, and if it does break then it will break into lots of small pieces which are much less dangerous. Often toughened glass fitted to the inside of a double glazed unit is sufficient for compliance and reduces the cost of using two panes of toughened glass. However, there are several factors to consider when choosing your glazing, but don’t worry – we’ll call you to discuss your requirements to ensure that your windows are compliant. Click here to find out more on building regulations for your windows and doors.

Laminated glass

Laminated glass has the same strength as ordinary glass but it consists of two pieces of glass with a sandwich of plastic interlayer. If the glass breaks, the fragments of glass are held in place by the interlayer. In fully framed installations the broken glass retains a residual strength while awaiting replacement.

Frosted and obscured patterned glass

Glazing is an important design element for any building and can make all the difference when creating a feature window or door. It can also make a significant difference to your privacy. In addition to frosted glass we offer a variety of obscure glazing patterns which are available in different designs offering various levels of privacy. We use Glass Solutions from Saint-Gobain, which is a leading manufacturer of glass throughout Europe. You can choose from the following options:

Specialist Glass

We can also supply specialist glass such as self-cleaning glass, extra clear low iron glass, acoustic glass or even solar control glass. Email us at hello@sashed.com to let us know what you need or for a detailed list of available glass types.

Glazing spacer bars (Thermo Spacers)

Glazing spacer bars is the name given to the edge of a sealed double or triple glazed unit. Spacer bars are used to separate the panes of glass by a specific gap and it’s what you see when you look inside your double glazed unit. For many years the standard spacer bar was made from aluminium, which conducts heat or cold, this can lead to higher levels of thermal loss and a reduction of energy efficiency. In recent years, double and triple glazing has moved away from the colder aluminium spacer bars and embraced warm edge spacer technology. Warm edge spacer is a term given to a slightly different type of spacer bar. The term warm edge is based on the fact that the construction is fabricated and designed to conduct less heat or cold than the traditional aluminium spacer tubes. Units fabricated using warm edge spacers can have a warmer internal edge temperature of up to 65%, reducing the likelihood of condensation by up to 70% and increasing thermal efficiency.

SWISSPACER Ultimate is available in the following colours:

Titanium Grey SWS Code 01
Black SWS Code 02
White SWS Code 03
Sapphire Blue SWS Code 04
Light Brown SWS Code 05
Light Grey SWS Code 17
Dark Brown SWS Code 06
Sulphur Yellow SWS Code 07
Yellow-Green SWS Code 08
Opal Green SWS Code 09
BrownGreen SWS Code 11
Beige SWS Code 16
Beige Brown SWS Code 12
Pastel Yellow SWS Code 13
Grass Green SWS Code 14
Light Ivory SWS Code 15
Red Brown SWS Code 19

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