Coloured Render – The Different Types Explained.
WHAT IS COLOURED RENDER?
Coloured render or through coloured render as it is known as in the industry is the name given to a range of different modern exterior coating render products that are available on the market today.
What it means is that the render product has been mixed with a colour pigment during the manufacturing process. This results in the actual render material being coloured all the way through rather than just applied as a top coat as is the case with traditional render
What are the benefits of coloured render?
Coloured render has a lot of benefits which will vary depending upon the product you choose. The main one which applies to all the through coloured renders is that they are low maintenance and will not need to be painted unless you change your mind on the colour.
The render systems developed by the manufacturers also have added polymers making them more durable with additional weather protection properties. Some of the silicone based products also have enhanced water proofing technology that is designed to repel water whilst still allowing the property to breathe.
So What Are The different types of coloured render?
Whilst each manufacturer has their own individual branded product there are 4 main different types of coloured render which are:
Monocouche coloured render.
Monocouche is a cement based render with a colour pigment mixed through it. The word Monocouche is derived from the French and meaning single layer as it is a one coat render designed for brick or block work although an undercoat will sometimes also need to be applied.
Monocouche is a high quality render that can be applied by hand or machine and it is then scraped back to leave a crisp flat finish that looks so much better than traditional render. It is economically priced and being one coat does not take as long to apply as some of the other render systems.
It can also be used to achieve different special effect finishes such as brick or ashlar stone.
Being a through coloured render you won’t have to paint it and it is algae and water resistant. It also allows the property to breathe thereby reducing the risk of damp.
It is not however crack resistant so would not be suitable for properties prone to movement.
Our recommended product is Weberpral M Monocouche coloured render which is available in 24 colours. 6 standard colours and 18 special colours which you can view here.
Silicone based coloured render
Silicone render is a formulation that has had silicone water repellants added to the cement based render system. The silicone technology allows water vapour to pass through the render enabling the property to breathe whilst creating a water repellant surface which leaves the surface drier and as such it is more resistant to algae.
Again it is a high quality modern render system that comes in a range of colours with a nice natural finish. It is slightly more expensive than Monocouche and it takes a little bit longer to do as the curing time needed before it can be scraped back is quite a bit longer thereby taking up more labour time. Whilst it is very durable and hard wearing like monocouche this type of render is also not crack resistant so again unsuitable for a property prone to movement.
Our recommended product is K Rend’s Silicone Scraped Texture range. There are 20 standard colours for the scraped texture range which you can view here and special colours are also available from a customisable pallet upon request.
It also comes as a thin coat render which can be applied to board systems or directly onto masonry. The thin coat renders produce a different finish to the scraped silicone render range. The texture can also be modified to taste by applying the render at different thicknesses.
As with monocouche silicone render can also be used to achieve special effects such as brick or stone.
Acrylic or Resin based coloured render.
Acrylic render is another form of coloured render. It is a resin based render system that is weather resistant, durable and flexible. It is normally used on approved render board systems but can also be applied directly onto masonry. Like monocouche and silicone based renders it can be finished with different textures and being flexible it is also less prone to cracking which can be an issue for other render systems.
Darker and stronger colours can also be achieved with this type of render and the choice of colours is vast but generally unless mixed with other materials Acrylic or resin renders do not allow the property to breathe so this type of render is not suitable for all properties as it can cause condensation issues.
It is important if you are considering acrylic render that you check out the product you intend to use carefully to make sure it is right for the application you want it for.
Our recommended manufacturer for Acryclic renders is Parex and again there is a huge range of colours available which can be viewed here.
Mineral based renders
Modern mineral based renders can be coloured or none coloured. They are particularly useful when the temperature is going to be low when the render is applied or in adverse weather conditions as they are extremely quick drying and less likely to suffer problems encountered with other render systems such as wash off.
Depending upon the manufacturer they can also be mixed with other properties to assist with dirt resistance etc. If you need to apply render to a property in a colder climate or during wet conditions then a mineral render may be the appropriate choice.