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Specifying frameless rooflights and roof windows

If you’re trying to decide on the right rooflights for a project, be sure to take some time to consider the benefits of specifying frameless rooflights. After all, your choice of rooflight will have a big impact on the overall appearance of the property – both inside and out – as well as the amount… Read more

Sliding over fixed rooflight maximises light in roof extension

What are the benefits of natural daylight for saving energy?

What are the benefits of natural light? Natural light is integral to the quality of our indoor environments. It creates a pleasing, stimulating and more productive environment, and happier people. Roof windows provide up to three times more light than the same area of vertical glazing, though it has to be done in the right… Read more

How to get roof window and rooflight specification right

Appropriate building fabric specification One of the benefits of a ‘whole building’ approach to energy efficiency  is the ability to compensate for poorer performing areas or elements by ‘beefing up’ others. There are limits to that, so a level of common sense is necessary. Building regulations stipulate worst-case U-values for new buildings, so a minimum level of… Read more

Are performance declarations accurate for roof windows?

How is the thermal performance of roof glazing assessed? Although rooflights and roof windows make up only a fraction of the market compared to doors and ‘conventional’ windows, they nevertheless make a significant contribution to the overall performance of a building. Standards for assessing the performance of products, however, don’t acknowledge that contribution. The methods… Read more

Using SAP and SBEM calculations to measure building compliance

How is building performance assessed? For new-build construction projects, building regulations take an inter-connected ‘package’ of measures into consideration when determining whether a building meets the targets for carbon dioxide emissions and/or energy consumption. A ‘good’ building relies on low U-values for the main building elements, and minimal heat transfer at junctions where those elements… Read more

How roof glazing can help to achieve a fabric first approach

What is ‘thermal performance’? When thinking about the energy efficiency of buildings, it’s easy to focus on heat loss through individual elements and forget the wider picture. It’s true that U-values often become the headline figures in a specification, but they are not the sole barometer of performance. There’s a reason for the relevant section… Read more

Three features to look for in modern roof glazing products

When looking to specify or purchase rooflights or roof windows, certainly terminology appears repeatedly. But the meaning or significance of that terminology is not always clear. This post explains three common features. Double, triple or quadruple glazed? These days, most people understand the benefits of having a glazing unit that is more than just single… Read more

What affects the thermal performance of roof glazing?

In any construction project, having an early idea of likely material specifications is helpful to avoid last minute shocks and surprises. It’s particularly relevant to rooflights and roof windows, though, because designing a healthy building means not taking quoted U-values at face value. The composition of roof glazing units – including overall size, relative areas… Read more

Specifying frameless rooflights and roof windows

If you’re trying to decide on the right rooflights for a project, be sure to take some time to consider the benefits of specifying frameless rooflights. After all, your choice of rooflight will have a big impact on the overall appearance of the property – both inside and out – as well as the amount… Read more

Design considerations for creating outdoor space with roof terraces

Having outdoor living space is an important consideration for modern homes. With space often at a premium, especially in urban locations, a roof terrace will allow you to make the most of an otherwise unused area and provide a desirable outdoor space, perfect for entertaining, growing food or just enjoying the fresh air and sunshine.… Read more

Creating bespoke rooflights using BIM

What’s the most important ingredient for success in any building project? Communication is up there. Delivering the right information at the right time, and in the most appropriate way, is what communication – and genuine collaboration – is all about. It’s what BIM is about too, giving the construction industry the tools and the flexibility… Read more

Is BIM for now or the future?

April 4th 2016 was a milestone in the adoption of BIM in the UK construction industry. Earmarked well in advance by the government’s 2011 Construction Strategy, it was the day on which all centrally procured projects were mandated to use Level 2 BIM. It was a watershed moment when full collaborative 3D BIM, with all… Read more

What makes a rooflight BIM object?

A BIM object, while providing an important visual representation of products and materials for use in design and construction drawings, must offer a lot more than that. Boiled down to the essentials, a BIM object is actually better equated to a spreadsheet in the way that it details the properties of the product in question.… Read more

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