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Rendering Southampton

Rendering or exterior plastering is an essential part of your home defence system. It stops damp penetrating the inside of your house from rain, and a quality render provides an attractive appearance enhancing the value of your property. Pro Plastering Southampton team are highly skilled in applying every type of external render to all outside walls from listed buildings to new build. To find out more call 02381040218 or fill out the form to the right for your free quote!

What is Rendering?

Rendering is the process of putting a protective coating on an external wall. Any material applied to a wall can be called a render, but usually, it refers to a hard-wearing durable plaster made for external use.

The precise components of a render depend on the application. Base ingredients include sand, water, cement, lime, and additives such as colour and plasticiser. A wide range of premixed rendering products is available, suitable for general and specialist applications.

Types of Rendering Southampton

Cement render

Cement render is economical, and the most widely used render. It is mixed on-site and applied in two or three thin coats. Traditionally the top layer is smooth for painting.

The material cost is low, but this rendering is labour intensive needing up to three coats applied by hand. If the underlying structure moves, the render can crack, allowing rain to penetrate. Regular painting is essential to maintain an attractive appearance.

Polymer render

A polymer or other plastic-based additive mixed with white cement or lime render results in a flexible rendering material. This flexibility reduces the possibility of cracking when the underlying structure moves or settles. If you want to avoid painting, then you can opt for a coloured plaster.

Acrylic render

This render forms a final finish coat that seals the underlying surface and provides decorative elements. It can add colour, texture, and an easy-clean surface. Fibres added to the mix provide flexibility (prevents cracking) and increased durability. An addition of silicone increases the life span of the render and provides a surface that promotes a clean appearance as it allows rain to remove dust and dirt.

Lime render

This traditional, specialist render is available as a polymer-enhanced lime render that applies relatively quickly compared with the traditional mixture. A lime render provides a breathable layer that prevents moisture from becoming trapped in the walls.

Lime render is flexible and attractive, but it needs maintaining with a regular lime wash. It is ideal for older properties (historic and listed) and for avoiding issues with damp. This render costs more than cement render and takes the same amount of labour to complete the project.

Lime render is available in three formats:

Putty – premixed wet lime render in a tub.

Hydraulic – mixed on-site.

Monocouche

Monocouche (Single Bed) Render

This render refers to the application technique as much as the material. The process of applying a single layer of external render is a recent innovation in the UK. It has been popular in Europe for a long time because of the ease and speed of application.

The rendering mix is supplied in bags to be mixed on-site and comes in two formats – suitable for applying with a hand trowel or as a spray formulation. You select the type (cement or lime) and the colour.

A monocouche render applies in a single 15mm coat in a fraction of the time of other renders giving a saving in labour costs and time. This render costs eight to ten times more than other renders, but you save on the time, effort, and expense of maintenance as there is no need for repainting. Pro Plastering Southampton provides trained plasterers with the experience to use this technique to give you a superb exterior finish.

External Wall Insulation System

This new system is an ideal solution to providing additional insulation for a property that cannot use cavity wall insulation. Its three layers are – insulation, mesh, and top render. This installation applies directly to blockwork and avoids reducing internal room sizes. It is more expensive than traditional rendering because of the cost of insulation materials. The finish is clean and ultramodern.

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How to Render

Successful rendering requires a patient, systematic approach to each stage of the process. Individual projects require tailored solutions.

Preparation

Before any render is bought or mixed, it is crucial to prepare the surface. External walls acquire dirt, debris and may have an old finish in place. Our professional plastering team know how essential surface preparation is for a successful and beautiful rendering process.

We pay attention to details by using drop cloths to catch splashes to avoid spoiling hard surfaces like drives or paths. The render sticks to hard surfaces and working with drop cloths avoids difficulties with cleaning your hard landscaping.

Application

Traditional cement or lime render goes on with a trowel in two to three layers by a skilled plasterer working from the bottom of the wall to the top with smooth, even strokes. The applied render needs levelling out to a consistent depth across the whole surface.

Base coats are scratched with a scratching comb to provide depressions to let the next layer of plaster stick to the underlying layer. The render needs to dry before the next layer is applied. The drying time depends on the thickness of the application and the material. A smooth finish or textured surface is the final touch.

A monocouche render is applied by trowel or sprayed with a machine in a single 15mm layer by a trained plasterer. It is essential to apply it quickly and smoothly. You can opt for a smooth or textured finish.

Why Render?

An external render provides a protective outer layer that reduces the impact of weather damage on the building structure. Expertly applied render gives an attractive finish to the building by covering up ugly block work or imperfect brickwork.

Contemporary house designs utilise a rendered finish as an integral part of the construction because of the attractive appearance and properties like fire resistance, insulation, and damp prevention. Traditional buildings depend on a rendered surface to protect the stonework and keep the interior rooms dry and warm.

A rendered surface is straightforward to maintain and replace compared with the cost of renovating damaged stone or brickwork. An external finish of rendering is practical, economical, and attractive.

We Can Help You with your rendering

External rendering impacts how others view your property – done well, it is an asset. Poorly executed rendering can devalue your property value and result in problems with damp inside your home. The Pro Plastering Southampton team have decades of experience in traditional and modern rendering techniques. We know what works, and we can help you get the best render for your project and get the job done quickly and efficiently. We can tackle any project from a garden wall, new build to a listed building, giving you peace of mind and the ideal finish for your property.  Feel free to also check out the plastering and dry lining sections of out site.

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