@paintcrewnotes: Air's 50. The siding isn't. On a fall morning the shaded half of a wall can sit colder than the air and under the dew point. Spray it and the film dries slow, dew settles into it after sunset, and the surfactants leach out as tan, sticky streaks under the laps. Data sheets (Sherwin-Williams Latitude, for one) want air AND surface at least 5°F above the dew point. Example morning: dew point 39, so wait till the IR gun reads 44 on the board, not the forecast. Already streaked? It rinses off with water. Don't paint over it. What time do you stop spraying the shade side in fall? Follow @paintcrewnotes for the next callback you can skip. #painting #paintingcontractor #exteriorpainting #housepainter #paintingtips Sounds: ryusa, mab, volivieri, hnieminen, klankbeeld (CC BY) via Freesound.

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Thursday 05 November 2026 17:05:46 GMT