Level 1 Diploma in Painting and Decorating

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Building substrates

Unit 117: Preparing surfaces for decoration

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What are building substrates?They can be made of:

• Timber

• Metal

• Sheet materials

• Brick and blockwork

And are the most common materials that are decorated.

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Timber surfacesCommon wood types

Home Gallery Stores

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Explain the differencePorous and non-porous surfaces

Can you identify which is which?

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Metal surfaceNon-ferrous metals and ferrous metals

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Sheet materialsWhat are sheet materials?  

• Plasterboard

• Hardboard

• Plywood

• Chipboard

• MDF

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Block and brickworkTypes of block and brickwork

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Building processesFirst fixingThis type of work – such as roofing, windows and staircases – is done before plastering takes place.

Second fixingThis type of work includes skirting boards, door frames, dado and picture rails, and fitting kitchens and doors. This is done once the walls and ceilings have been plastered.

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Any questions?