External Wall Rendering Explained

External wall rendering is frequently the method used by plasterers when they wish to decorate or protect an external surface using a blend of sand and cement. When the mixture is ready the plasterer will use a hand trowel to adhere the render to the outside surface. The weather conditions must be correct and rain must not be duewhen the work is done or before the rendering has time to cure.When it has dried the surface can be over coated with a masonry paint or coating in yourchoice of colour. Developed it is said in the Roman Age lots of varied types of additives have been used including straw.Lime render wascommonly used in England up to the end of the 19th Century.During that period Portland cement was found and the plentiful availability of this cheaper lime substitute became the common choice.Anotheradvantage of using cement was that it set in a shorter time than the previously most popular lime based rendering and subsequently saved building costs. As the last century finally approached its end scientists began to research new ingredients to improve the performance of these external wall renders.The aim was to design a product that would last many years of harsh weather cycles without needing any further repairs. The outcome was a series of high tech wall that promise many years of outstanding performance with no need for any furtherredecoration. Manufactured to be amazingly weather proof, these new generation synthetic renders and wall coatings have been stringently independantly tested to guarantee they resist all water absorption even in the most severe rainstorms.Additionally all the many alternative new age renders are microporous to ensure our houses are warm and dry from january to December whilst looking great. In comparison to standard house wall rendering these advanced systems are not designed for use by the home owner .The application of these products must carried out by a specialist company to ensure the work is done correctly and to give the home-owner peace of mind.Please therefore obtain some recommendations to contact and verify before confirming an order with a company and do not ever pay any money until work has commenced.