Insulated Render Systems

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Insulated Render Systems

Rendering is the process of applying a protective and decorative layer to the exterior surfaces of buildings, typically made from cement-based mixtures, lime, or synthetic materials. The rendering process involves coating the walls of a structure to provide not only aesthetic appeal but also weather resistance, insulation, and durability. It is commonly used on masonry, brick, or concrete surfaces.

Rendering can be applied in different styles and finishes, offering versatile options for both modern and traditional architectural designs. It can be painted, textured, or smooth, depending on the desired look and performance requirements.

Key Benefits of Rendering:

Weather Protection: Rendering helps to protect the building’s structure from the elements, such as rain, wind, and UV exposure. It acts as a barrier to prevent moisture penetration, reducing the risk of dampness and decay in the underlying walls.
Aesthetic Appeal: Render can transform the appearance of a building, providing a clean, modern finish or a more textured, rustic look, depending on the style and technique used. It can also be coloured or painted to match the desired exterior design.
Thermal Insulation: When combined with insulating materials, rendering can improve the thermal performance of a building, helping to maintain comfortable indoor temperatures and reduce energy costs.
Durability and Longevity: A well-applied render coat can increase the lifespan of a building’s external surfaces, offering resistance against cracking, peeling, and weathering.
Low Maintenance: Unlike other cladding or coating systems, render requires minimal maintenance over time. A periodic clean-up and occasional re-coating can keep it looking fresh and performing well.
Versatility: Render can be used on both new construction projects and building refurbishments, providing an adaptable solution for different construction types and architectural styles.

Rendering is an essential technique in modern building design, offering both practical benefits and the opportunity for creative expression in exterior finishes. Whether you’re looking to enhance the curb appeal of a home, protect a commercial property, or improve energy efficiency, rendering provides a durable, cost-effective solution.

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We are one of the UK’s industry leading external wall insulation and building cladding specialists and can provide you with the appropriate high performing EWI system to suit whatever building type and construction type you are seeking assistance with.

External Wall Insulation Systems (EWIS) have proven increasingly popular over the years as an effective solution for improving both the thermal efficiency and aesthetic appeal of buildings.

Why Choose External Wall Insulation Systems (EWIS)?

Over the years, External Wall Insulation Systems (EWIS) have gained considerable recognition as a practical and efficient method for reducing heat loss and enhancing the outward appearance of buildings. EWIS will play a crucial role in improving thermal insulation and reduce energy consumption. In addition, they provide an opportunity to modernise the exterior of the building by providing the opportunity to give it a fresh and updated look.

A EWIS can be applied to a variety of structures, whether as part of a new-build development or a retrofitting project for older properties that lack sufficient insulation.

How Insulated Render Systems Work

Insulated render systems are carefully designed using multiple layers, each contributing to the overall insulation performance and weather resistance of the building. The key layers include:

Insulation Layer – A primary layer designed to improve thermal efficiency by minimising heat transfer through the building’s exterior.
Reinforcement Layer – Sometimes a mesh or fibreglass component that enhances durability and longevity of the system.
Weatherproof Finish Layer – The final outer layer, which acts as a protective and decorative surface. Depending on the property type, the finish could include:
- Textured or smooth render for a clean look.
- Brick slips that mimic the look of genuine, exposed brickwork.
- Decorative panelsmade from wood, metal, or composite materials for unique designs.

While your choice of finish will depend on the building type and how best to meet the exposure requirements additional consideration must be given to current Building Regulations for insulation, fire safety, and structural integrity.

Applying an insulated render system improves a building’s ability to retain heat, reducing energy use and heating costs, contributing to a more sustainable and environmentally friendly property.

Crucially, it does this without the need for cavity wall insulation, which is unsuitable for many properties. Unlike internal insulation, it does not reduce indoor space.

What are the disadvantages of insulated render systems?

While insulated render systems offer many benefits, they do add thickness to external walls. This may require adjustments to external fittings and fixtures.

We’ll help you find the right Insulated render system

If you’re a specifier looking to incorporate external wall insulation into your project, contact us early with details of your project so that we can provide valuable advice and assistance in selecting the most appropriate materials. Without doubt, we have the knowledge, understanding, and experience to successfully help you meet regulatory standards, and ensuring successful installation, so contact us soon.