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External Wall Insulation and Renders - JustRender Ltd

Most UK homes are quite old, with 28% of them having a solid wall structure. These walls have in many ways stood the test of time, but they might leave a bit to be desired when it comes to modern standards of insulation. Thankfully, in the vast majority of cases, these walls can be insulated, allowing you to save on energy bills while still getting all the heat you need for your home. At Just Render, we have everything you need to insulate your walls, both solid and newer cavity types.

Our offer
















Reliable wall insulation solutions

At Just Render, you'll find one of the widest selections of wall insulation materials in the UK. All provided by the leading manufacturers, they're some of the most reliable materials available on the market. Whether you're looking for something for your home or your customers, our products will help you ensure that your project is properly insulated for the whole year around. While our offer is substantial, we keep making efforts to expand it constantly, so that in the future you may have access to even more reliable external wall insulation materials. Our offer is diverse, perfectly suited to match the needs of various clients, which makes us one of the most reliable insulation suppliers in the UK.

Insulation boards

Our great selection of insulation boards may be just what you were looking for when it comes to making sure your home gets properly insulated. We offer graphite EPS Polystyrene Boards, XPS Polystyrene Boards, Phenolic Boards, Mineral Wood Boards, and more. When it comes to external wall insulation solutions available in UK, our diverse range of insulation boards are the very foundation of every project - check them out for yourself!

Carrier boards

Just Render offers a robust selection of Render Carrier Boards, used for external facades in both domestic and commercial projects. Provided by reputable manufacturers, e.g. Resistant, our carrier boards come in a number of sizes, all in order to accommodate to any type of project.

Fibreglass rendering mesh

Fibreglass rendering mesh is used for reinforcing your facade, and can come in a number of variants, including some with acrylic acid copolymer liquid coating for extra durability. With many different types available on our offer, Just Render offers a fantastic selection of fibreglass rendering mesh to meet all of your reinforcing needs.

Finishing renders

Give your home the unique look you've always wanted with one of our incredible finishing textured renders. Provided by some of the best manufacturers on the market, the renders offered at Just Render come in a number of variants, including Monocouche Scratch Renders, Mineral Renders, Acrylic Renders, Silicone Renders, Decorative Renders, Thermal Renders, self cleaning Renders and more! If you're looking for the best external wall insulation and render solutions, Just Render has just what you need.

Plinth zone

This selection of top coat render for the plinth area comes in 36 colours and is the perfect decorative finish for any external wall insulation project. Ready-mixed, it is easy to use and comes in a variety of grain sizes, fit for projects both big and small.


Primers are an integral element of any project. Just Render's selection of primers includes items that are ready to use and all-purpose, regulating suction and improving adhesion for various types of renders. They're the perfect choice for all external wall insulation systems based on graphite EPS, mineral wool, phenolic and XPS.


Insulation panels may form the very foundation of insulation, but they can't really do all the work on their own. Insulation panel fixings are a component of EWI System and are used for fixing rigid and semi-rigid insulation boards, so that your external wall insulation is stable for many years to come. Our insulation panel fixings come in a number of sizes, moreover as they pin is metal and finished off with plastic head, they do not create thermal bridges - take a look at our catalogue and find exactly what you need.

Facade paints

An integral part of any insulation project, facade paint serves more than just a decorative purpose - it has to be weather-resistant and easy to clean. At Just Render, we offer a wide range of facade paints from some of the leading manufacturers on the market. Weather-resistant and available in a wide range of colours, these facade silicone and acrylic paints are a great addition to any insulation project.

External Wall Insulation (EWI) systems

With Just Render's selection of efficient thermal insulation systems, you can adapt to your surroundings and greatly enhance your quality of life by providing you with thermal insulation that's just right for your home. Take a look at our robust list of tried and tested EWI systems manufactured by some of the best on the market.

Insulation tools

No external insulation project can be brought to completion without the proper tools. At Just Render you'll find an extensive selection of EWI tools including plastic finishing float for insulated renders, thin coat renders, dash & scratch renders, among others. You can find every tool you might ever need to finish your insulation in our robust offer.

Insulation accessories

With Just Render, you have access to all the accessories you could ever need to bring your external wall insulation project to completion. From render removers, accelerators for acrylic and silicone renders, facade cleaners, treatment against fungi and algae and more, you'll find a wide selection of accessories for all your insulation needs.