Why does paint peel?
A. 2 words = Moisture & osmosis Assuming adhesion (*) isnt an issue, water is almost always why paint fails.The two most common areas + reasons for failure are the kitchen baseboard where a wet mop has regular contact & the outside of a house by the bathroom.Simplest explanation: Water penetrating poorly sealed wood. You can usually notice this in the bathroom by the shower, or at a well mopped kitchen baseboard. Or outside where rainwater runoff hits the drip edge/siding where the overhang/gutters arent enough to keep water off the building. Bottom line, unless youre using swimming pool paint, it’s not expected to be completely waterproof. Simple solution, use high quality oil-based sealers b/4 topcoating. Keep moisture to an absolute minimum. Add gutters, trim shrubs, etc. to allow fresh air circulation to dry your house after it rains.Complex explanation: Moisture traveling THRU the paint causes peeling. This is easiest to observe on older homes built without a vapor barrier thats h