In the outdoor decoration, first of all, according to the paint specified in the construction drawing, but some construction drawings only indicate "wall brush exterior wall paint", and when the variety is not indicated, it is necessary to select the appropriate according to the specific situation. Exterior paint.
1. Determine according to the decoration part of the building
(1) In places with large passenger flow (such as halls, restaurants (restaurant decoration renderings) and corridors (corridor decoration renderings), etc., should have good aging resistance, pollution resistance, water resistance and color retention. Good and highly adherent coatings.
(2) In places with less passenger flow, paints with good fireproof, mildewproof, anti-staining and easy brushing properties should be used.
(3) In places with high humidity (such as bathrooms, toilets and kitchens (kitchen decoration renderings), etc.), coatings with water resistance, fire resistance, mildew resistance, stain resistance, and easy brushing should be used.
2. Select according to the base material
(1) For concrete and cement base, the coating is required to have good alkali resistance and hiding.
(2) For lime and gypsum board wall surface, there are many paints available, but not all paints are applicable. For example, JHN841-1 scrubbing exterior wall paint can not be used.
(3) The paint applied on the wood base surface should be a non-alkaline paint because the alkaline paint is destructive to the wood base.
3. Select according to the geographical location and climate characteristics of the building
(1) The exterior paint used in the hot and rainy south should have good water resistance and mildew resistance.
(2) The exterior wall coating used in the cold north should have good freeze-thaw resistance.
(3) In the rainy season, the exterior wall coating with rapid drying and good initial water resistance should be selected.
4. According to the decoration standard, you can choose high-grade paint for the higher grade decoration, and vice versa or ordinary paint.
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Label: The architectural coating selection rule you don't know
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