For an easier fit, use the Palruf 36 in. White Horizontal Foam Closure Strips (5-Pack). The flexible white foam offers construction that stretches and compresses. They fit Palruf and Suntop panel corrugations (not included).
Constructed of white, flexible foam that stretches and compresses
For use on purlin and cross brace
Fits Palruf and Suntop panel corrugations (not included)