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About us

JMJ External Wall Installation

JMJ EWI has over 25 years’ experience in external wall insulation and rendering. Over the last 2 years, we have invested in machine spray equipment to further improve our service. Applying through coloured renders by the leading manufacturers.

We are Parex, Enewall, Weber and K-Rend approved applicators.

All the team are time served tradesmen and have great pride in their work ethic. Furthermore, we are accredited by the following: Constructionline, CHAS, Safe Contractor and also the Environment Agency for waste carrying.

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