Surface PreparationPregunta 19 de 100
Why should exterior wood be checked for moisture content before painting?
a.Dry wood cannot be painted at all
b.Painting wood that is too wet traps moisture and causes blistering and peeling
c.Moisture makes the paint cure harder
d.Wet wood improves paint penetration
Explicación
Excess moisture in wood pushes outward as it dries and lifts the paint film, causing blisters and peeling. Wood should generally be below roughly 15% moisture content before painting. A moisture meter provides a reliable reading before coating.
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