Properties of paints
Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth.
It’s made to combat mildew as well as fading. In addition, they have to be fade resistant as they face very high temperatures.
The resins used for exterior paint can be softer so that they can withstand temperature changes and ill effects due to exposure to moisture. They are supposed to be flexible and not easily crack on expansion/contraction.
Exterior paint must be tougher and should be capable of resisting peeling and crumbling.
Interior paint is more to do with aesthetics and decoration purposes and at the same time, they need to add properties of easy maintenance, wash ability and dampness prevention. It’s designed to withstand abrasion.
Interior paint is also designed to be more delicate than exterior paint because they occupy the same space as you do.
Interior paint is so made that they can be scrubbed and can resist staining. Interior paint is formulated to be more resistant to physical damage.
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