BUILDING ENVELOPE


Let there be light


Tracey Jackson of Howells Patent Glazing explains why daylighting is a vital consideration for self-builders and renovators and how to achieve the best results.


N


atural light is a powerful resource and one of the most important elements in architectural design, with the ability to transform a space and the people within it. Maximising natural light inside our homes contributes to lower energy bills, enhances building performance and improves occupier wellbeing. Strategically incorporating daylighting (natural light) solutions into a self- build or renovation project will provide diffused illumination. More dynamic than electric lighting as it changes constantly, natural light can be more stimulating and the effect boosts mood, increases focus, reduces eye-strain, promotes productivity, and regulates the body’s natural sleep-wake cycle known as circadian rhythm. With homes now places to work, rest and play, and with many homeowners experiencing higher energy costs, reducing dependency on expensive electric lighting must be factored into decision-making. Using daylight to illuminate spaces reduces the need for artifi cial lighting, leading to energy savings and a more sustainable home.


LET DAYLIGHT IN


One of the best ways to allow natural light to enter a space is with glazed roof products. Roofl ights, roof lanterns, lightwells and patent glazing all maximise light during daylight hours and are proven to deliver up to three times more daylight than a vertical window, illuminating spaces beyond their reach. For best results, strategic placement is critical. Self-builders and renovators must consider the location, orientation and gradient of their roofl ight as part of the design process to avoid glare and unwanted solar gain. ost roofl ight manufacturers manage solar gain with glass. Modern glass technology is incredibly advanced. Solar control glass, for example, can help retain heat in cooler months which helps improve the property’s energy performance. Adequate ventilation will


One of the best ways to allow natural light to enter a space is with glazed roof products.


also help dissipate unwanted heat in the warmer months: for this, explore motorised and automated opening roofl ights, including voiceactivation for easy operation.


WHICH ROOFLIGHT? With an abundance of styles, materials


and fi nishes, there’s a glazed roof product for every home, whether it’s a new build, renovation or restoration of a listed building. ff the shelf’ roofl ights are perhaps the most well known, with household brands leading the market. They’re less expensive but use and suitability depends on the size, location


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