Protecting your significant investment in EWI & IWI
Rokzen is a leading company specialising in the installation, repair, and servicing of external and internal wall insulation systems. Our expertise and experience extend to working with private clients, individual landlords, and social landlords throughout the UK. With a deep understanding of the industry and a commitment to providing high-quality services, we have the knowledge, experience, and capacity to deliver EWI & IWI projects ranging from single houses to entire inner-city estates.
Our Expertise in EWI & IWI Installation
At Rokzen, we are proud to be accredited installers for industry-leading manufacturers Alsecco, Kanuf, and Wetherby wall insulation systems. Our expertise and experience enable us to provide a wide range of services, from installation to repairs and servicing. With our specialism in EWI & IWI systems, we ensure that installed systems meet the strict terms of Insurance Backed and manufacturer guarantees, protecting your significant investment in EWI & IWI.
Our Repairs and Servicing Specialism
Our specialism in repairs and servicing of EWI & IWI systems is a critical aspect of our business. We ensure that systems installed continue to meet the strict terms of Insurance Backed and manufacturer guarantees, thus ensuring systems remain covered in the event of system failure. With Rokzen, you can rest assured that your investment in EWI & IWI is protected, and systems will continue to perform optimally.
The Great British Insulation Scheme
Rokzen fully supports the Great British Insulation Scheme (GBIS), previously referred to as ECO+. This government-funded scheme aims to help people insulate their homes, targeting two eligibility groups: the general eligibility group and the low-income group, including Social Housing. The types of insulation covered under the Great British Insulation Scheme include primary measures such as cavity wall insulation, external/internal/hybrid wall insulation, loft insulation, and solid wall insulation, among others. The secondary measures, available only to the low-income eligibility group, include thermostatic radiator valves (TRVs), boiler programmers, and room thermostats. These secondary measures can only be installed where an eligible primary insulation measure has first been installed in the same property under the Scheme. Rokzen ensures that the installation of EWI, IWI, and other insulation measures covered under the Great British Insulation Scheme is carried out efficiently and effectively, ensuring that your home is well-insulated, energy-efficient, and comfortable.
Types of Insulation Covered under the Great British Insulation Scheme
The Great British Insulation Scheme covers various types of insulation, including:
- Cavity wall insulation (including party walls)
- External/internal/hybrid wall insulation
- Loft insulation
- Room-in-roof insulation
- Pitched roof insulation
- Floor insulation
- Park home insulation
- Solid wall insulation
These insulation measures are designed to improve the energy efficiency of your home, reduce energy bills, and increase your overall comfort. With Rokzen, you can trust that the installation of these measures is carried out with precision, care, and attention to detail.
The Benefits of Insulation
Insulating your home has numerous benefits, including:
- Improved energy efficiency
- Reduced energy bills
- Increased comfort
- Improved sound insulation
- Increased property value
With Rokzen, you can take advantage of the Great British Insulation Scheme and enjoy the benefits of well-insulated, energy-efficient, and comfortable living spaces.

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