With modern chemestry, you can use either and get pretty good results. A word of caution, though. IF it is new construction, just be sure to match the primer to the top coat. However, if you are painting a previously painted surface, it might be better to go with what was there before. Unless it is properly prepared, latex paint does not always adhere well to an oil based paint.
We used oil over the old oil based paint with good results, but we've also used latex graded for exterior use and had good results.
The key isn't in the chemistry, but in the preparation of the surface.Outside walls, water or oil based paint?
Dulux Masonry Weathershield (water -based) Oil-based will eventually peel.
On exteriors any cheaper paint is a false economy.
sorry but both answers are wrong ...water based is the way to go ..dulux weathersheild best anywhere ...all cars today are made with water based paint ..you only use oil-based paint on softwoods ..like windows etc
Exterior paint will always last longer if it is oil based. Be sure to use oil based primer, in that case.
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