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.

Home » Glossary » Undercoat

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

  • Eggshell paint

    Eggshell paint

    Eggshell is a term that is used to describe paint with a very slight sheen between matte satin paint. As indicated by its name when dry it has an appearance is similar to that of an eggshell. As eggshell has a slight sheen it does reflect light giving the painted surfaces a lighter appearance as […]

  • Wood stain

    Wood stain

    Wood stain is a term that describes anything that colours wood. There are products that solely stain the wood but there are also others such as oils, varnishes and waxes that both stain and teat the wood (make it less absorbent and resistant to damage). Wood stains consist of a pigment or dye (for colour) […]

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