About JMJ Rendering

With over 30 years of expertise, JMJ External Wall Insulation (JMJ EWI) is a leading name in external wall insulation and rendering across the North East of England, including Newcastle, Sunderland, and surrounding areas. Our commitment to excellence ensures that every project we undertake enhances both the energy efficiency and aesthetic appeal of residential and commercial properties.

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Innovation & Quality Assurance

At JMJ EWI, we continuously invest in the latest technology to deliver superior results. In the past three years, we have incorporated advanced machine spray equipment, allowing us to provide precision application and seamless finishes using high-performance through-coloured renders from industry-leading manufacturers, including Parex, Enewall, Weber, and K-Rend.

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Skilled Craftsmanship & Accreditation

Our highly skilled team consists of time-served tradesmen who take pride in their workmanship and maintain the highest professional standards. We are fully accredited by:

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✅ Constructionline
✅ CHAS (Contractors Health and Safety Assessment Scheme)
✅ SafeContractor
✅ The Environment Agency (Licensed Waste Carrier)

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Our Commitment to Sustainability

We understand the importance of sustainable building solutions, and our external wall insulation systems not only improve thermal efficiency but also contribute to lower energy bills and reduced carbon footprints for our clients.