How is the Closure Strip Foam used on corrugated panels?

You would use 1 under each panel at the eave and 1 over each panel at the ridge, under the ridge cap.

The corrugated closure strips are 24" wide and you would use 1 under each panel at the eave and 1 over each panel at the ridge, under the ridge cap (if installation utilized). 4 pieces covers 8 lineal feet.