Weather guard paint for outside walls
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Weather guard paint is an acrylic emulsion made for outside walls, sold under that name by several paint makers. Goldstar describes its version as pure acrylic for coastal areas, and Coral Paints lists 8–12 m² per litre per coat with a drying time of 30 minutes.
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What weather guard paint is
“Weather guard” is not one product but a name many paint makers give their exterior wall emulsion. Like an interior emulsion paint, it is water-based and cleans up with water. The difference is in the binder and additives: makers formulate it to stand sun and rain and to resist mould on the wall.
The Tanzanian maker Goldstar Paints describes its Weather Guard as a pure acrylic emulsion made for exterior use in coastal areas — quick drying, low in odour and resistant to fungal growth.
Three makers compared
Each maker’s figures apply only to its own paint:
| Goldstar Weather Guard | Coral Delux Weather Guard | Dulux Weatherguard Fine Textured | |
|---|---|---|---|
| Type | pure acrylic emulsion | exterior emulsion with fungicide | textured matt exterior coating |
| Coverage | not stated on the page | 8–12 m² per litre per coat | about 4–6 m² per litre per coat |
| Drying | “quick drying” | 30 minutes | 1 hour |
| Coats | not stated | not stated | 2 |
| Other claims | for coastal areas; resists fungal growth | low odour; active fungicide against mould | flexible film against hairline cracks |
Dulux also states a 15-year guarantee for its South African product; that is the maker’s claim for its market.
Smooth or textured
Texture shows in the coverage figures. Dulux makes its textured coating to hide imperfections in the wall, and the area it states per litre is about half of what Coral states for its emulsion. Our calculation for a 60 m² façade with two coats: about 12 litres at 10 m² per litre for a smooth paint, about 24 litres at 5 m² per litre for a textured one.
Surfaces and preparation
Goldstar lists cement plaster, concrete, gypsum plaster, brick, stone, soft and hard board, and wood for its Weather Guard. Dulux lists cement and gypsum plaster, concrete, fibre cement boards, PVC and metal, each provided the surface is properly prepared first.
Colours and prices
Colours come from each maker’s own shade card. Weather guard paint prices are not listed on this page; for the Coral range, see the Coral Paints page.