Venetian or pleated blinds. The cordless slider devices are often quite slimline in design so they can even be used on sliding and bi-fold doors.

Energy efficiency is a key issue and some systems are powered using rechargeable batteries that can be charged via a small external solar panel on the outer face of the

window. This also eliminates the need for, or cost of, an electrician, as the system isn’t hard-wired into the mains – and saves on-going running costs.

A fully-automated system is hard-wired into the mains – and is most often used in high-end residential applications, as well as corporate office spaces. For added luxury, you can even synchronise the movements of groups of up to 12 blinds for simultaneous raising and lowering. Plus, with the growth of home automation systems, some manufacturers can integrate the automation of integral blind operation within these systems, using pre-wired control boxes, and making for a smooth problem-free installation.

Integral blind systems are available in a wide range of colours as well as a full range of glazing options including toughened, solar control, triple glazing, thermal insula- tion, noise reduction and fire resistance.

Integral blinds for fire-resistant glass units

Commercial buildings frequently feature internal doors, screens and windows that require fire resistant properties. These are often made from steel, steel-clad aluminium and fire resistant timber.

The design of fire resistant doors, windows and glazed partitions requires them to provide half-hour or one-hour protection in the event of a fire. They are also required to perform as normal windows and doors. Integral blinds can be fitted inside sealed units manufactured using specialist fire glass products thereby creating a practical and aesthetically pleas- ing product.

Thermal performance & quality control

Integral blinds combine the thermal control performance of an insulating glass unit (IGU) with the benefits of an integrated Venetian or pleated blind. You can manage sun shading, solar heat gain and light control within a single product. Designed for installation in frames in glazed facades, sealed units with integral blinds inside are also ideal in specialist applications in interior partitioning windows.

The manufacture of sealed units with integral blinds inside requires specialist equipment and skills to ensure a high quality finished product.

Ian Short is managing director at Morley Glass & Glazing


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