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A Guide to Problem Solving - The Application of Interior Wood Coatings |
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| Change in colour of the substrate or the clear coating. | |
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| External effects such as mould, dirt and fading from exposure to sunlight. | |
| To prevent contamination during application ensure that the substrate is thoroughly sanded prior to coating. Avoid exposure of coated articles to direct sunlight with the use of blinds, curtains or UV tinting. The likelihood of discolouration can be reduced with the correct choice of stabel veneers and coatings system contact you Mirotone representative for further information. | |
| Certain clear coatings, in particular those with high acid pH, which include acid catalysed finishes, may react with tannins in the wood or veneer laminating adhesive to form highly coloured compounds. These are usually red or pink in appearance, wood such as Tawa, European Beech, Blackwood, Cherry, Maple etc are particularly prone. | |
| To reduce the risk of reactions between the glue and certain wood species, a coat of either MIROLOK SB 3511 Clear Isolator or MIROTHANE PU 5545 Clear Sealer should be applied as the base coat directly over the raw wood. This may then be over-coated with MIROBILD AC, MIROCAT PC or MIROTHANE PU. | |
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| Disclaimer: The recommendations above are based on data from Mirotone’s own research and information from others whose work we believe to be reliable. Due to possible differences in actual application methods and conditions, users must satisfy themselves that the end result meets their requirements. | |
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