Prevent Roller Dry-Out with a Damp Rag
A way to keep latex paint on the roller cover and in the tray fresh for several days.
When a painting project takes more than a day and you want to keep the roller cover and tray from drying, you could slip them into a large plastic bag. But there’s likely enough air in the bag that the paint will skin over. So, before slipping the tray and roller into a kitchen-trash-size plastic bag, I drape a damp, folded cotton rag over the top. An old pillowcase folded in half works well—just soak the cloth, then ring it out. The dampness seems to keep the humidity inside the plastic bag high enough to suppress drying. I’ve used this tip to keep latex paint on the roller cover and in the tray fresh for several days.
—Mike Guertin, East Greenwich, R.I.
Edited and illustrated by Charles Miller
From Fine Homebuilding #272
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good tip,,,thanks