{"id":842,"date":"2017-10-31T16:36:15","date_gmt":"2017-10-31T16:36:15","guid":{"rendered":"https:\/\/ulsterarchitecturalheritage.org.uk\/?page_id=842"},"modified":"2018-05-07T17:39:09","modified_gmt":"2018-05-07T16:39:09","slug":"paintwork","status":"publish","type":"page","link":"https:\/\/www.ulsterarchitecturalheritage.org.uk\/paintwork\/","title":{"rendered":"Paintwork"},"content":{"rendered":"
Paint has long been used for the decoration and protection of timber, metal and plaster coatings, and the correct specification is a complex task. Painted surfaces on old buildings will have been built up in many layers and careful stripping back of a small sample area will give clues to a building\u2019s decorative history. There are specialists who can sample and analyse layers of historic paint and give advise on reproduction.\u00a0 Caution must be taken when rubbing down old paintwork to avoid inhalation of toxic dust, particularly on timber, because of the former use of lead-based paints. Currently the use of lead paint is restricted by stringent Health and Safety regulations.<\/p>\n
Putting together a new, historically correct painting scheme is a specialist task for a major building, but for a building owner wishing to redecorate, the same principles apply.<\/p>\n
Internal paint work varies from simple colour washes to highly decorative tromp l\u2019oeil. Several commercial companies are now offering a comprehensive range of \u2018historically accurate\u2019 paint colours, but for a very intricate and valuable interior, scientific analysis may be necessary in order to reproduce a colour exactly.<\/p>\n
Internal timber surfaces in public buildings may need to be treated to reduce the surface spread of flame. This is achieved by applying approved intumescent paints or stains. The work must be carried out in accordance with the manufacturer\u2019s instructions in order to guarantee the system meets the required protection level. The work should also be carried out in relatively warm conditions to avoid clouding the varnish.<\/p>\n
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