hard top noise

hi
i am french and i don t write english very well sorry:innocent:

during my holyday with my JK a have make off road without door and hard top,but since a became in paris with my jk and is hard top there are a lot off noise

when the road is not perfect some cracking noise appear on the roof

i have try to lub all the joint
i have try to screew hard the hard top

but always small"cracccc"

please any one have the same problem?and may be a solution

thank you