Niall,

The roof system is the best and worst part of the car.  Clever, ingenious and ahead of it's time, but the water ingress is an issue.

As previously noted the rear screen was never meant to entirely seal, but the handling of the water that does make it in has never to my knowledge been properly resolved.  With Jim Hearne looking at the problem we may now have a solution on the horizon.

From Jim's comments it may be worth looking into a seal for the bottom of the rear screen that is U-shaped and will meet the rubber on the rear body work.  The tricky part would be attaching flexible drain tubes to the U-shape seal that would allow water to be fully managed and kept away from the encapsulated chassis as well as being flexible enough to allow the read screen to operate as intended.

Having said all that, from your photos it appears that the gap on your car is larger than many.  Have you tried adjusting the screen, as there is some movement available which could lessen the gap.

If you are coming to Stoneleigh this weekend maybe we could have a look?

Regards,
Steve

On 30/04/2019 19:44, Niall McCracken wrote:
Does anyone out there have a H4 that is completely watertight - particularly at the rear of the car where the bottom of the windscreen meets the body?

I've been messing around with a variety of different seals for a few weeks and I just cant seem to figure out how it should work.

The gap between the windscreen and the rear body just looks much too big to me to find anything that would reasonably seal it?

The old seal was reasonably inflexible and perished but even with a like for like new seal on there is a whopping gap underneath the windscreen.

I can't even consider taking it out in the rain or washing it or anything!


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