how hard is it to take a high top roof of a komet , will it come of and leve all the in side intact 0r will it all have to come out first. as i am getting a lot of water in the roof , when i put a scewdriver in were it meats the front screan it runs out . have triad a few times to fix it reseald all place were it might but i am at a los ,so eny help would be good . thanks.