Different sized 40-209?
A home owner from Brookhaven, NY says:
September 9, 2013
Paul from SWISCO responded:
September 11, 2013
I'm not sure if we have anything that match those exact dimensions. However, I believe that Larson door bottoms are adjustable. by loosening the two adjustment screws, you can lower the bottom piece. Try that and see if it fixes your problem.