Rendering an outside wall can be a way to protect or brighten up brickwork, add a modern layer of plaster to the wall or simply repair or replace current renders, such as the stucco finishes you will see on some period or modernist homes. In most cases your plasterer will first clean the brickwork or strip it back to its original state. They will then seal the brickwork with PVA or a base coat of render.
PVA or Styrene Butadiene Co-polymer latex (SBR) is often used first when the brickwork is in poor repair. This protects the wall and helps the render to bond. Once this is dry then a layer of render will be applied. Then another layer of PVA or SBR may be added before a final rendering coat. This coat may be decorative in terms of finish, colour or texture. The style of render and how much work should be done is down to your taste, the condition of the outside wall and the advice of your plastering professional.
Obviously the price of the job will go up in line with how much work is needed to render the exterior wall. The size of the wall in total will largely dictate the price, as will the products used and any decorative finishes that you decide upon. Higher walls will also take longer to render and your plasterers may have to bring in scaffolding, which may be charged to your bill. Always be sure to get a detailed quote for the job before work begins.
If the render is to be over a substantial part of the exterior of your property (such as if you are rendering the whole of the front of your house) your plasterer will need to comply with building regulations. You will also need to apply for planning permission if your home is a listed building or if it is in a conservation area. Your plasterer or builder should be able to advise on these issues.
You should also consider issues such as the value of your property if having extensive rendering work done. Decorative finishes can enhance the value of your home, but they can also lower the value. Always consult with your plasterer on this if you are concerned or unsure, as they will have experience of a range of finishes and how popular they are with homeowners and potential buyers. This especially applies to large areas of coloured or textured render on homes that were not built with render as a finish.
A coloured or decorative render may improve the look of exterior walls on a seaside bungalow, but it will make your home stick out for all the wrong reasons in a street of Victorian brick terraces. Once the rendering work on your outside wall is completed then your plasterer will tidy up and clean the area. They will also put back any items such as guttering or drainpipes that were removed so that rendering work could be carried out.
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