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Sustainable windows and doors

A PVC vertically sliding sash window installed in an architecturally sensitive location property.
Window cross sections showing Thermlock, a thermally enhanced reinforcing material which reduces heat loss through the frame.
Lead free PVC logo - all H Jarvis windows and doors are 100% free of lead stabilisers.

The materials and components we use to create our new buildings and refurbish existing ones are coming under the spotlight more than ever before as we strive towards a highly sustainable society.

The battle against climate change is constant and buildings are a major CO2 contributor. To ensure our buildings are energy efficient in the long term and created using materials that have not cost the earth to produce, product selection and specification must take into account the whole life cycle and consider post-use disposal.

Unlike other materials used in window frames, PVC performs extremely well in terms of sustainability. PVC is extremely resource-efficient in its manufacture and in the case of Sheerframe, creates windows that offer excellent thermal performance over a long lifetime. In addition, when PVC frames are eventually replaced, they can be easily collected and recycled compared with other materials.

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