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coloured render

What are my House Render Colour Options?

Redecorating your house with coloured render can work wonders for giving your property a facelift and a refresh. With so many brands out there offering such a vast array of house render colour options, how can you ever really be sure what you are signing yourself up for? While the actual render colour may be nice – is the render itself suitable for your property?

Here at EWI Store, we have a range of renders which are all suitable for different properties and customer requirements. We pride ourselves on being able to offer render solutions for a large array of buildings. Better yet, our house render colour options are unbeatable, because we have render mixing facilities on site – so if you don’t fancy the standard colours on our colour chart we can mix up something special for you!

What type of House Renders can you Get?

Here at EWI Store, we offer a wide range of thin coat coloured house renders, all of which can be tinted using our highly calibrated colour mixing machine. Our thin coat renders can provide your house with numerous benefits…

Acrylic render: Acrylic is what most people think of when they think of thin coat coloured render. It is most renowned for coloured render because it is so great at holding onto colour pigment (think of the vibrancy of acrylic paint). Acrylic render is very impact resistant, so if you have kids who love kicking footballs against your walls acrylic render is right for you!

Silicone render: Currently, our top of the range thin coat house render is our Silicone render. Silicone render offers unsurpassed breathability and vapour permeability (it will allow water vapour to escape through it, thereby preventing damp). The inverse of this is that it’s also hydrophobic, so there’s no chance of water getting in. Silicone render is also self-cleaning, so it’s definitely the house render to choose if your house is situated in an area where there are lots of trees and plant life.

Silicone Silicate render: Silicone Silicate is very similar to silicone in that it offers excellent breathability and vapour permeability. The only real difference between the two is that Silicone Silicate will only offer a limited amount of resistance to organic growth. It’s therefore better suited to properties that do not require a high level of self cleaning capabilities.

Mineral render: Mineral render is a great choice if you live in a particularly harsh climate. Because of the fact that it’s fast drying, it can be installed in cold or humid conditions, nevertheless it does require painting with a silicone paint after it has dried to prevent the formation of lime bloom – which is essentially like a cement ‘disease’ which makes your house render appear patchy.

How does Grain Size affect House Render Colours?

When choosing their house render colours, many people don’t realise that their choice in grain size can affect the way that the house render colour may appear. This is because grains within the render can create a shadowing effect. The larger the grain size, the darker the house render colour may appear.

Monocouche House Render Colour Options

Because monocouche is a thick coat render, the monocouche house render colour range is slightly different to our thin coat renders. You can check out our monocouche colour options by ordering one of our thick coat render colour charts. Our monocouche colour charts clearly display our shade range by offering a sample of the actual render which has been set within the colour chart booklet.

What are the Benefits of Coloured House Render?

Decorating the exterior of your home can have numerous benefits for your property. Going for a neutral or even bright house render colour can give your property the facelift that it needs and make it stand out to potential buyers.

We’ve seen hundreds of properties go through transformations, from shabby pebbledash and peeling old render to fantastically fresh and brand new looking exteriors. It’s worth investing in and will ensure that you come home every day to a house you feel proud of!

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choosing the right house render

The Best Type of House Render?

With a world of possibilities to choose from when it comes to making your house look great on the outside, the decorative finish to go for can be an overwhelming decision.

Our range of house renders is growing, and with expansion comes the need for more information so that customers can make an informed choice about which house render is right for them!

Currently, our render range includes a set of thin coat and thick coat options. In the thin coat category, we currently offer Acrylic, Silicone, Silicone Silicate and Mineral, with (spoiler) more exciting options on the horizon set to hit the shelves in the coming months. As for our thick coat renders, we offer Monocouche and our Heritage Lime Render.

But why would you want to use a thin coat house render as opposed to just a plain old sand and cement render? What are the benefits of different types of house renders, and where can I buy house render?

We have all the answers to all of your questions, so keep reading for more info!

What Does a Thin Coat House Render do?

Thin coat house renders are as the name suggests. They are applied in an extremely thin layer over the top of a specially engineered basecoat, which is designed to work in conjunction with the render to optimise breathability and flexibility.

Thin coat renders, similar to house paint, are available in hundreds of different colours and a range of different textures (for a smooth or rough finish). When we talk about what kind of properties a specific thin coat house render can offer a customer, we are essentially referring to the formulation of the render and its resulting capabilities. Some of these capabilities include vapour permeability, breathability, self cleaning and mechanical resistance (strength).

Thin Coat House Renders and Flexibility

The universal property that a thin coat house render will offer, however, is flexibility. You may have seen a property with cracks in the external walls, and this is caused by a combination of factors including weathering and poor installation of the render, but most likely it’s because the render is not flexible enough to cope with the movements of the house.

The external walls of your home will expand and shrink during cold temperatures and hot temperatures. This is only a tiny amount, but if your house render isn’t flexible enough you can definitely expect to see cracking over time. This is particularly distressing when you’ve paid for a job to be done, and its lifetime is considerably shorter than you were originally expecting. 

When you use a thin coat render, you are guaranteeing flexibility purely because it isn’t applied in a solid, thick layer. The basecoat underneath the render also has fibreglass mesh embedded within it. Fibreglass mesh is really flexible and has high tensile strength, so as your house expands it will hold the basecoat together and prevent cracking of your thin coat render.

House Rendering | Silicone Render

Currently, our top of the range thin coat house render is our Silicone render. Silicone render offers unsurpassed breathability and vapour permeability (it will allow water vapour to escape through it, thereby preventing damp). The inverse of this is that it’s also hydrophobic, so there’s no chance of water getting in. Silicone render is also self-cleaning, so it’s definitely the house render to choose if your house is situated in an area where there are lots of trees and plant life.

House Rendering | Silicone Silicate Render

Silicone Silicate is very similar to silicone in that it offers excellent breathability and vapour permeability. The only real difference between the two is that Silicone Silicate will only offer a limited amount of resistance to organic growth. It’s therefore better suited to properties that do not require a high level of self cleaning capabilities.

House Rendering | Acrylic Render

Our Acrylic coloured render is our most impact resistant. This means that it is extremely strong and therefore great for if you have kids who are keen on kicking footballs against your wall. When rendering your house with Acrylic render it does mean that because of its strength you sacrifice the breathability aspect that silicone offers, so it’s really a balance between which is more important for your circumstances!

House Rendering | Mineral Render

Mineral render is a great choice if you live in a particularly harsh climate. Because of the fact that it’s fast drying, it can be installed in cold or humid conditions, however it does require painting with a silicone paint after it has dried to prevent the formation of lime bloom, which is essentially like a cement disease which makes your house render appear patchy.

Why Choosing the Right House Render is Essential

We always want our customers to make the right decisions and be happy with their finished product, which is why we aim to use these blogs as an informative tool. Choosing the right render is important to ensure a long lasting finish that will look fresh and nice for the duration of its lifespan!

Approved Installers of Thin Coat House Render

Here at EWI Store, we have a database of installers who have passed our training sessions and have subsequently become approved installers. What this means is that once they are trained in the correct use of our materials and have proven themselves to provide the highest quality of work, we recommend them to our customers.

If you are interested in finding a local approved installer, simply fill out the contact form below and we will be in touch!

 

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Coloured Render Cost Per Square Metre

Here at EWI Store  we offer a vast range of coloured renders to suit all tastes. We also offer a same-day coloured render mixing service, so you can match the colour to your existing render or simply find the shade that you love. Our coloured renders can also be matched to NCS colours as part of our colour matching service! Buying render with us means that you can get the colour and finish that is right for you.

Choosing a coloured render for your home is a big decision to make, which is why we offer colour charts and render tester pots. However, once you’ve made the all-important decision of which coloured render to choose, how much will it cost you?

How much Coloured Render will I need?

To work out exactly how much coloured render you will need, we first need to work out the approximate square meterage of your property.

So to work out the square meterage of your external walls, you simply just need to go outside and measure the length and height of the wall then multiply those two numbers together. This needs to be repeated for each wall you intend to render and then totalled together. This will give you the external wall area.

It’s always good practice to prime the substrate before doing any work. Assuming the substrate is standard masonry, we would recommend that you use our water based primer, which costs approximately 30p per square metre.

Let’s also assume you want to install a Silicone Silicate render system with our standard EPS Basecoat. First we need to calculate how much Silicone Silicate render costs per square metre. One bucket of Silicone Silicate render will cover between 9-10m2, which is roughly £4.90 per square metre.

Then we need to take into account the basecoat layer which goes on before the actual coloured render itself to smooth out the external wall and aid adhesion. Using our EPS Basecoat, one bag will cover 4-5m2. Therefore, it will cost £2.40 per m2. The Fibreglass Mesh to be embedded within the basecoat will cost approximately 70p per square metre.

Now we just need to factor in how much primer will be required. With our Silicone Silicate system, you’ll need to use our EWI-333 SiSi render primer which can be tinted to match the colour of the render itself for extra opacity and pigmentation. Generally, we recommend that a large 21kg bucket of render primer will cover approximately 60m2. This means that the primer will come to roughly 80p per square metre.

Finally, we usually find that beading costs around £2 per square metre, although this can vary depending upon the property. 

So totalled all together, the cost of a silicone silicate render system per square metre should be approximately £10.80. Bear in mind that this is an approximation, but if you were to multiply this number with the square meterage of your property then you would get an estimate on how much the materials will cost for installing coloured render on your home!

Which Coloured Render do I Choose?

We have so many coloured renders to choose from, all of which are BBA approved and are the highest quality coloured renders on the market. Our tester pots provide the opportunity for customers to test different colours of render and pick the right one. It’s always best to be able to see the coloured render in person so that you don’t end up unhappy with your decision when it’s applied in full scale on your property.

We offer thin coat and thick coat coloured renders. Our thin coat coloured renders are best sellers; we offer a choice of Silicone, Silicone Silicate, Acrylic and Mineral coloured renders.

  • Silicone render/Silicone Silicate render: Silicone Render is a premium, modern technology coloured render – which is available in hundreds of different colours. Silicone is a very popular choice because it offers hydrophobic properties, which means that it repels water, dirt and organic growth. Silicone render is also super easy to apply because it comes ready to use, so you just apply it straight out the box. (Read more about Silicone Render here).
  • Acrylic render: Acrylic render is very similar to silicone, except for it doesn’t provide the same hydrophobic properties. It’s a solid middle-ground thin coat render because it still provides the same flexibility as other thin coat renders and it’s also great at holding onto colour pigment. (Read more about Acrylic Render here).
  • Mineral render: Mineral render is a dry-mix, thin coat render. This is a very popular choice if you live in a cold or rainy climate because mineral render is extremely fast drying (you can’t apply other renders in cold/rainy temperatures because they take longer to dry). The only thing about this render is that you need to paint it afterwards with silicone paint to seal it in. This is because if it’s left exposed to the elements it can develop lime bloom due to the presence of Portland cement. (read more about Mineral Render here).
  • Monocouche scratch render: Monocouche scratch render is a thick coat, through coloured render. It is more traditional, but does require extra work to install it. This is because the Monocouche needs to be applied in two passes for extra strength and cannot be applied in wet or humid conditions. Monocouche render then needs fibreglass mesh embedded within it to provide extra strength and flexibility (which means it will resist cracking), and then once it’s dried it needs scratching back to achieve the desired texture.

Buying EWI Pro Coloured Renders

When you order your render, we offer next day delivery and a specialist technical advice service. We believe in the importance of being able to offer our customers the benefit of our knowledge and so all of our sales team are well experienced in the use of our products and will be able to give the best advice on how they are best applied and how much you will need.

Stay tuned for more content! We upload a new blog post every Tuesday and Thursday all about our coloured renders and our External Wall Insulation Systems. Also follow us on Facebook, Instagram and Twitter for exclusive updates!

 

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Coloured Render vs. Insulated Render – Ultimate Guide

In this industry, the terms ‘coloured render’ and ‘insulated render’ are bounded about a lot. The terms are often used interchangeably, however subtle differences do exist and in this blog we are going to take a look at these in a bit more detail.

What is coloured render?

Coloured render refers to render that is coloured right through it’s final decorative coat in one uniform appearance. Sand and cement render is not coloured render. When we refer to coloured render we usually refer to the EWI-010 Acrylic Render and the EWI-075 Silicone Render (also known as thin-coat renders), which form the final finish as part of a multi-layer build-up; or we refer to EWI-090 Monocouche Scratch Render, which is also coloured through and can be applied either on its own or on top of a basecoat preparation layer. Our coloured renders can now be matched to NCS colours as part of our colour matching service!

What are the differences in the coloured render types?

The acrylic or silicone renders usually come in wet bucket form and are manufactured in a standard white colour. To produce the coloured render, the acrylic or silicone renders go through a tinting machine, which consists of a pigment dispenser and a shaker. The coloured pigment is dispensed into a bucket in a controlled environment and this bucket is shaken-up by the shaker to produce one uniform colour throughout.

Monocouche scratch renders, come in a dry format, usually in 25kg bags – these are pre-mixed in different colours, and need to be mixed with clean potable water to make it ready for application.

Since monocouche render is pre-mixed with different colours, you will probably not be surprised to learn that the numbers of colours available with this type of render is limited. In fact, when going with a monocouche coloured render, you can pick from 18 different colours, but if you opt for the thin coat coloured renders you can literally pick from thousands of colours.

Another difference between monocouche and thin coat renders is the type of finish that is achieved. While the thin coat renders, usually leave a textured, sand type finish, the monocouche scratch renders achieve a pitted effect, by effectively leaving little scratches on the surface (hence often referred to as scratch coloured render). Both finishes look great, so choosing which coloured render to go for normally comes down to which look the end-user prefers.

The other differences between the two different coloured renders is how they are applied to the wall. The scratch render is in applied at a thickness of 18mm and scratched back using a scratch render scraper to give a final thickness of 16mm. Conversely the thin coat renders are applied at a thickness of 1-3mm onto a flexible basecoat layer (basecoat + embedded mesh). This means that a bucket of thin coat render will go far further in terms of coverage than a bag of monocouche scratch coloured render when applied to the wall.

Our dash receiver is also bagged like the monocouche scratch render and comes in different colours, but the decorative pebbles that stick on the outer surface form the main part of the decorative feature so the amount of actual dash receiver you can see is limited.

What is insulated render?

Very often when we refer to insulated render, we refer to a coloured through render backed on an external wall insulation material. This external wall insulation material can either be lightweight EPS, stone wool (mineral wool) or wood fibre insulation. The insulated render part is the final decorative layer that sits on top of the reinforcement layer, which in turn sits on top of the insulating material.  The whole system in therefore an example of an insulated render system or a external wall insulation system (EWI).

What are the differences in the insulated render types?

There are differences in insulated render types, which are characterised by the differences in the build-up – starting from the insulation material, to the reinforcement layer and then a variation in the decorative look.

For example, insulated renders can use one of the following insulating materials: EPS, Mineral Wool and Wood fibre insulation. Phenolic insulated can also be used in insulated render, but we don’t recommend this since it delaminates over time when in situ and also can react with metal fixings to create an acid that can leech on to the render.

Basecoats and reinforcement mesh may vary to achieve a different preparatory coat ready to receive the final coat. Basecoats can either be in the grey or white adhesive types. Also, the system build-up may contain a slight variation in the weight of the fibreglass mesh, with one coat mesh or two coat mesh being used for different impact resistance requirements.

Coloured renders like the thin coat silicone or acrylic can sit on top of an insulated render system and work very well. Monocouche scratch render can also sit on top of the reinforcement layer, but it is not commonly specified due to the weight/ load of this final coat of the coloured through render.

Can the render itself be insulated?

In certain and rare circumstances, the coloured render itself can contain special insulating properties, which when used as part of the render build-up can be considered an insulating render. These coloured renders don’t necessarily have an insulating material behind it. An example of a coloured render that is also an insulated render, is using a basecoat that contains a certain amount of the following ingredients (not limited to this list): perlite, EPS, cork or aerogel, and the product itself has a declared lambda value (ƛ) on the product packaging.

An example build-up of coloured render with insulating properties: the EWI-520 Insulating Basecoat with a layer of fibreglass mesh to give the layer flexibility; finished off with 1.5mm of the EWI-075 Silicone Render.

Although the insulated coloured render in this example has insulation properties, it would not replace the degree of insulation associated by installing a full external wall insulation system. You could install this type of system in areas of difficult access or where it would be tricky to thicken the walls by a certain degree due to width (boundary) restrictions around the property.

Coloured renders and insulated renders in summary

As discussed above coloured renders and insulated renders are used interchangeably in the industry but you do have subtle differences. Coloured render refers to the cement-based plaster applied either as a basecoat and a thin-coat decorative finish; or to a one-coat Monocouche Scratch Render applied in one pass onto the substrate.

Insulated Render usually applies to an external wall insulation system that not only contains a coloured render, but an insulation material that is adhered to the substrate. This insulation material can EPS, Mineral Wool or Wood fibre insulation.

Coloured render can also have insulating properties, but it must be declared on the packaging. However this can be used to take the edge of a substrate rather than as a prime insulating material for the purposes of thermal insulation.

What is Silicone Coloured Render?

This week we are taking a look at our top of the line, through-coloured, silicone coloured render in order to offer a little bit more technical info about why you would want to choose coloured silicone render, and what it can do for you and your home!

To start with, and to state the obvious, silicone render contains silicone. If you’re not aware of exactly what silicone is, it’s basically a polymer which is rubbery and heat resistant – it has a molecular structure built up by a large number of similar molecules which are bonded together. Silicone is typically used in adhesives, lubricants, medicine, make up, cooking utensils and thermal and electrical insulation. A great thing about Silicone is that it has a low thermal conductivity – so it’s perfect when used as part of an external wall insulation system!

Silicone rubber is widely used in the construction industry because it is known for its tensile strength, reliability and longevity. That’s why silicone is great for use in renders, because it provides an incredible level of flexibility which will help to prevent cracking in the long run.

Not only is silicone flexible but it also offers a high level of water resistance, but importantly at the same time it is vapour permeable. What this means is that your render won’t absorb any water, but it will allow water vapour from the inside to escape through it (water vapour moves from warm areas e.g. inside to cool areas e.g. outside). This will contribute towards the prevention of damp within your home by letting the moisture escape rather than building up within your insulation system and your walls. Moisture and condensation can hugely affect the thermal performance of insulating materials, so it’s a pretty important factor to consider.  

Because of its breathability, we recommend that silicone coloured render is great for use with mineral wool systems – Rockwool insulation boards offers unsurpassed levels of breathability, so if you live in a humid, damp area then this is the perfect system!

We have found that silicone render works really well if you’re installing it in a place where algae and moss or organic growth are likely to occur, such as near water or plant life. This is because it is highly resistant to organic growth. What this means is that in the long run you are much less likely to have to clean your render, and even less likely to have to re-render before the end of its lifespan.

How to apply Silicone Coloured Render

Silicone coloured render comes as a ready-to-use mix so you don’t need to add anything to it before use. It is advisable that you give it a bit of a stir first to ensure that all the colour pigments are evenly distributed throughout (if you’ve gone for a coloured render).

To apply the silicone coloured render, you need to first install the basecoat mesh layer (EPS Basecoat Adhesive and fibreglass mesh embedded within it). This will create a smooth, even surface for you to render onto – you wouldn’t be able to apply the thin coat coloured render directly to the substrate because it is such a thin texture that you would be able to see brickwork etc underneath.

Once the basecoat layer has dried, you can use a stainless steel trowel to apply the coloured render to the substrate. To create an even, textured finish you will then need to rub up the surface of the of the render using circular motions with a plastic render float.

You will need to ensure that you have enough people on site to be able to apply the render to an entire wall at once. If you attempt to apply the coloured render section by section, then you will find that when it dries there will be a scarring effect where the different render sections meet.

To apply silicone render, you will also need the right weather conditions. Rain, wind or too hot/cold temperatures can have a negative impact upon the finished result. Make sure that it is not due to rain during installation and drying time.

Coloured Renders: Silicone Render vs Silicone Silicate Render

Silicone coloured render and silicone silicate coloured render are the twin siblings of the EWI Store render group. Both renders are well matched in terms of performance, the only real difference between them is that silicone silicate contains sand granules which makes it slightly less resistant to organic growth.

Silicone silicate is one of our most popular renders. It’s also the slightly cheaper than silicone render because of the addition of sand, which is a less expensive material. However, for the performance of the render you aren’t losing out by paying less.   

Why use Silicone Coloured Render?

Using coloured render on your home can have a dramatic effect on its aesthetic appearance. Throughout the UK, there are thousands of tired, dull looking properties that are crying out for a facelift. Our Silicone coloured render comes in thousands of colours because we have specialist colour mixing facilities on site which enable us to add any amount of colour pigment and match any shade. This means that as soon as you place your order, we can mix up your coloured render and send it out for next day delivery. We can also match NCS colours, and if you are looking to replace old, cracked render and you want to match the new coloured render to the exisiting colour we can do this too! You can check out our full colour range by ordering one of our colour charts, or you can buy one of our tester pots.

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Are you a Render Installer? EWI Pro Approved renderers

Are you a renderer looking to get more leads? We are the leading expert in render-only and external wall insulation systems. We have a large network of installers throughout the country, and we are looking for more renderers to join our team of approved installers!

How do I become an approved renderer?

To become one of our approved installers, all you need to do is attend one of our specialist training days! They run every Thursday and offer a comprehensive course on each of our coloured renders and insulated renders, how they work and how they are best applied. You’ll also be shown how our coloured renders work in the context of our EWI systems.

Our trainers have years of experience in insulation and rendering, and will be sharing loads of tips and tricks to make sure you get a great finish every time. They will talk you through the properties and benefits of different insulating materials and coloured renders, and show you how to install them with our range of beading and fixings.

These sessions are a great chance to get hands-on, with all training materials provided free of charge – and you will use all the best tools and machines in our amazing training facilities.

If you are a renderer and you’re interested in attending one of our training days, then give us a call and book your place! We only ask for a small deposit to encourage attendance, which will be returned to you after you have completed the training day.

What are the benefits of becoming an approved renderer?

After completing the course, you will be added to our installers list where we will send you customer leads in your area for people who are interested in re-rendering their homes using our coloured renders and insulated renders.

As an approved installer, you can also join our installer loyalty scheme where we offer you points for each purchase that you make, which means you can go on to use your points to claim fantastic prizes!

Why use EWI Pro coloured renders?

EWI Pro renders are quality assured, BBA (British Board of Agrément) approved renders which are high-technology and modern. and we have a comprehensive range of thin coat and thick coat renders, all of which come in a wide range of colours (we have on site colour mixing equipment – so thousands of colours available!) and grain sizes for a customisable finish to suit your client’s tastes. 

EWI-075 Silicone Render

The premium render in the EWI Pro catalogue, offering unsurpassed performance. It is breathable, flexible, robust and long-lasting. It is a through colour render, available in hundreds of colours!

EWI-040 Silicone Silicate Render

Suitable for interior and exterior surfaces, but works best when applied on top of a reinforcement layer as part of the whole thin-coat render or insulation system. The silicone silicate coloured render not only provides a decorative finish (it is through coloured), it also provides a strong protective coating to the property, helping protect the underlying brickwork. Silicone silicate render is also breathable, so can be used in conjunction with mineral wool EWI systems.

EWI-010 Acrylic Render

The best value render in the EWI Pro catalogue. The render will form a long-lasting, aesthetically-pleasing protective barrier on your external walls. It is flexible, and highly resistant to mechanical impact. Acrylic render is a fantastic coloured render. It is particularly good at holding vibrant colours, and can be mixed into almost any shade.

EWI-060 Mineral Render

Dry-mix finish, for external wall insulation and render-only systems. The render is breathable and quick-drying, making it ideal for those looking to install in colder, more humid conditions. Mineral Render requires painting with EWI-005 Silicone Paint.

EWI-050 Mosaic Render

A ready to use decorative, coloured render. It is made up coloured quartz aggregate held within a transparent acrylic resin binder. The mosaic render is particularly durable, making it ideal for exposed surfaces prone to damage and soiling (for example the DPC area).

EWI-090 Monocouche Scratch Render

EWI Pro Monocouche Scratch Render is a polymer modified one-coat decorative dry mix render. It creates a low maintenance textured finish on external walls. We’ve heard excellent reviews on our Monocouche render from renderers who say it’s the best on the market!

If you’re interested in trying any of our coloured renders, we can send out samples and price lists for you to give them a go! We can guarantee you will love them.

Get in touch to become an approved renderer!

Here at EWI store, we are technical experts on our entire product range. This includes installation and technical advice. We receive calls daily, asking for our advice and we are always pleased to answer any of questions. Do give us a call or an email and we would be happy to help!

To become an approved renderer fill out our contact form below, or you can book your place at our next training day by calling one of our sales representatives. We look forward to hearing from you!

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