After trying other options to have my top installed with very poor results, I went to see Gernold at SL Tech in Arundel, Maine. He strips everything apart, puts the top frame on his jig and rebuilds it as it should. Then installs the fabric. Not cheap, but as he says, it will still be on the car in 50 years, as did the original. He has frames sent to him form all over the world.