Glossary

Welcome to our wooden window restoration glossary page! Here you will find definitions for all the technical terms used in relation to sash windows refurbishment. We hope you find this helpful! We've collected a list of common sash window terms and their definitions to help you better understand the specific content thought-out our website and blog. The Glossary section of the website can be useful for you to quickly understand the meaning of unknown terms about wooden windows. The sash window glossary is a list of terms and their definitions, which can help you understand the content of our website. In addition, the Glossary can provide you with links to related articles from our window restoration blog, so you can explore the subject in more depth. If you're ever unsure about a term or concept, be sure to check the Glossary first.
Undercoat

Undercoat

Undercoat refers to a layer of paint that is applied before the final coat and sometimes after a coat of primer.

The undercoat is an important stage in painting a surface. It not only provides a smoother surface for the topcoat giving it a better finish easier application but can also assist in stopping the surfaces existing colour from bleeding through. The colour of the undercoat should mirror that of the overcoat. For pale and lighter colour use a lighter undercoat and of vide, colourers use a darker undercoat. The undercoat is also important to give the surface some extra protection.

It will help reduce the effects of light physical wear and tear such as denting and scraping as well as giving an extra layer to stop moisture from reaching the surface which can cause mould, rot or in the case of metal rust.

Other terms

  • Hiding power

    Hiding power

    Hiding power is a term that is used to describe paints ability to hide or cover a surface. When used in reference to paint it describes how well it can obscure the surfaces original colour. Hiding power can also be referred to as Opacity or simply abbreviated into HP. The level of hiding power paint […]

  • Semi-gloss

    Semi-gloss

    Gloss is a term that describes how much light can be reflected by a surface-so semi-gloss describes paint or coating that, when dry, has a slight sheen to it. This makes it a great compromise between a matte paint (that produces no sheen) and a gloss paint (that produces a lot of sheen and makes […]

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