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How insulated gutters can help you meet upcoming Document L changes

How insulated gutters can help you meet upcoming Document L changes

Scott Quig, National Sales Manager at Corrivo, discusses how insulated gutter systems can help contractors meet new building regulations.


2022 is an important year for the construction industry. After the Government laid out their plans to reach Net Zero by 2050, we’re now seeing real legislation changes with amendments to Document L of the Building Regulations coming into place later in the year.

The changes will place a greater emphasis on the energy performance of buildings, especially commercial ones, meaning contractors will have to use more thermally efficient products in order to meet new targets.

With contract managers having to reduce the emissions, they may be wondering where they can improve the efficiency of their building envelope. Looking at every potential place where energy savings can be made can help significantly in the reduction of heat loss, and there are things which can help you meet these new standards. But what exactly is Part L? And how will it affect our industry?

What is Document L?

As part of the Government’s strategy to reach ‘Net Zero’, the building regulations are changing to encourage the construction industry to drastically reduce emissions.

Approved Document L of the building regulations focuses on the ‘Conservation of Fuel and Power’, meaning all construction projects will have to reduce their emissions significantly. For the commercial construction industry, it will mean placing a greater emphasis on a building’s insulation. This concerns several parts of the building, such as windows, walls and roofs, which all have improved targets in order to drive down emissions. There are different targets for both domestic and commercial buildings but the new regulations for commercial roofing require all non-dwelling flat roofs to achieve a U-value of 0.18 W/m2K.

The new changes are also in place to close the gap between expected and actual energy performance, which is generally much higher in industrial buildings. Thermal bridging is a common source of this unanticipated heat loss, so it’s important to reduce this as much as possible by using well insulated products which retain heat.

Improving insulation

Roofing contractors will be considering how they can improve the performance of a roof and how to minimise the chance of thermal bridging, and one thing to consider is the use of insulated roofs and gutters.

Made from single ply membrane and lined with insulating material, these gutters reduce heat loss at these points to create a much more efficient roofing system. With single ply roofing systems becoming a much more energy efficient option for contractors, insulated gutters are the perfect choice for minimising emissions and can be used in conjunction with single ply roofing systems and cladding panels. The insulated layer reduces cold spots by keeping the warmth in and reducing the chance of thermal bridging, making them a fantastic solution for those looking to reduce the u-values of their roofing system.

On top of this, creating better insulated buildings also saves money in the long run too. With energy costs higher than ever, this is especially important in current times, meaning investing in energy efficiency is an important step for construction professionals looking to reduce costs, and insulated roofing and gutter systems provide the perfect way to do this.

Delivering energy efficient products fast

The focus for everyone in the construction industry now is how we can create more energy efficient buildings. By reducing our emissions, we can improve our carbon footprint and make significant progress towards the Net Zero target, and the latest changes to Document L will have a great impact on helping push our industry towards a greener future.

For contracts managers thinking about what improvements can be made for their building in order to reduce their environmental impact, they need to be thinking about improving insulation in every area. Minimising cold spots and thermal bridging is a key part of enhancing the energy efficiency of a building and using thermally insulated gutters can make a huge difference.

With the recent rise in demand, it’s also important to get products from a trusted supplier. At Corrivo, we make life easier for contractors by providing flashings, gutters and other metal roofing fabrications with fast turnaround times, ensuring everything runs smoothly on site and projects are completed on schedule.

So, for contracts managers looking ahead to the upcoming changes to building regulations, make sure you consider the impact that insulated gutters can have on your emissions, and choose a supplier who makes your life easier.


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