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Waterproofing my 987 hood

Janner

Janner

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I want to waterproof the soft top on my 987.
I have 2 options in my workshop, but, TBH, am unsure if either are suited for a Porsche roof.

The first is an aerosol; Graingers 'Fabsil’, the second; Starbright waterproofing with PTEF (yes PTEF not PTFE).

I have successfully used both on the covers of boats, but have not, until now, fpund the need to use them on a car hood.

My question is simple;
Can I safely use either on an original Porche soft top.
Any advice gratefully received

 
Fabsil from the tin (ie paint on)
Don't use the aerosol Type products since you will get it all over the windows and bodywork.
Fabsil painted on worked well for me!
 
I used a Renovo kit , shampoo, dye, and sealer , just be careful with the dye , it can get everywhere !
 
Have used Fabsil Gold on a couple of occasions now and find it not only long-lasting but also an absolute breeze to use! I use around three quarters of a 1l tin and after masking off nearby glass and paintwork etc I simply paint on with a 3 inch brush and a smaller one for the fiddly bits....lasts months!
 
Janner, I have just used Fabisil Gold for my own hood, after recommendations on here. It sounds like you have used it elsewhere, and may be aware of it already, but here's a link to my recent post about how I applied to the car, and what I would do differently next time. Beads off like a dream and it also gave my blue hood a little colour back too.
Mark

https://www.porscheclubgb.om/forum/FindPost/996453
 
I use the 303 Convertible Roof Cleaner, followed by 2 coats of 303 Fabric Guard.

I sprayed it on last year and it went everywhere.
Last couple of times I've sprayed it onto a sponge and wiped the sponge all over the roof.
Much much better way to apply and seems to have the same desirable results.

Beading is great and I lasted April to Jan/Feb before needing the think about re-proofing.

This time I've done 2x coats of 303, applied in direct sunlight as per instructions.
 
Did you know that Porsche has its own reproofing product? It is a spray on type, so it does involve masking windows and trim. I have used it and it gives a satisfying beading effect when it rains.
From memory about 12+ Vat per tin.
kr Lee

 
When I had my 996 Cab I always used Fabsil which gave excellent results and of course the necessary beading.

Bonus was its far cheaper than most others too [:D]
 
All

Many thanks for the advice.

Yep, I've used both the products I named in my original post but, in the open air, on boat covers.

Based on what you say, I'm going to used Fabsil.
As I have 2 (heaven knows why I still have 2!) aerosol tins of Fabsil, that is the route I will go down, but, sraying it onto a sponge rather than directly onto the hood.
My mum was an artist, so I have some small brushes I can use for the tight corners.

I wll report back on how I get on.

Thanks
John
 
Fabsil or Removo brush on types as been said above aerosol goes all over the bodywork unless it's all masked up.
Make sure you give it a good few hours to impregnant and dry. Choose a nice dry day with a dry forecast for a few hours not unless you have a garage of course.
 
Open air I'm afraid.
Used to have a garage, with a TR6 in it, then . . . . .we moved.
Now, I have sold the 6 and have the Boxster as a daily driver.
It is kept under a weatherproof cover.

I will spray onto a sponge and sponge the Fabsil onto the hood, at least this way, I can move away from the car when I spray into the sponge

The car will be covered anyway.

John

 
I've used several over the years. My technique for masking became a large piece of clingfilm for the rear window, and the use of old towels around all the edges - partly open the hood, place towels, and almost completely shut the hood. The old towels cover the paintwork, windows etc and save a lot of time and effort.
First product was Autoglym, which comes in spray bottles with cleaner and a robust plastic sponge for cleaning the hood. Both elements are water-based, work well, and smell very nice. Trouble is, I still have the cleaner largely unused 15 years later, and you can't buy more proofer without more cleaner, which is bonkers. Beaded very well. The unforeseen problem with excellent beading was that when you open the door and get into the car, all the water runs off the roof and lands on your clothes. Secret for that (if you can handle the repercussions) is to invite your passenger to get in first.
Second product was Porsche aerosol. Not water based, but also worked well. Same excellent beading.
Third product was 3M - some kind of robust exterior fabric waterproofer in aerosol can. Very similar performance to Porsche but much cheaper.
Fourth and latest product is Renovo Ultraproofer. Really easy to apply with a paint brush, no masking required at all. Doesn't seem to bead like all of the above but does appear to reproof. No smell and dries evenly.
 
BrianJ said:
The unforeseen problem with excellent beading was that when you open the door and get into the car, all the water runs off the roof and lands on your clothes. Secret for that (if you can handle the repercussions) is to invite your passenger to get in first.
Click to expand...



Like your style
Not sure I have enough brownie points to try it
 
I like the sound of Fabsil. The guys on Detailing World swear by it too.

I've got 946ml of 303, and I reckon after 2 careful coats there is still 3/4 of a bottle left, so another 6 coats hehe :ROFLMAO:

Be a while before I need some Fabsil tbh
 
How often does this need to be done?
Would the PC do this, if so at what cost, though I acknowledge that it sounds relatively easy as a DIY job.
D
 
It depends how much UV your hood gets and how wet, I guess.
From this, and similar threads on here, I'd guess once a year, if kept garaged.
Whether a PC would do it, I think the cost really wouldn't be worth it IMO
 
dpoynton said:
How often does this need to be done?
Would the PC do this, if so at what cost, though I acknowledge that it sounds relatively easy as a DIY job.
D
Click to expand...


Mine went April to Feb (so through the winter) coated with 303 Fabric Guard

Car is garaged daily, used all year round a couple of times a week in all weather really.
I've covered about 5.5k miles in the last 12 months.
 
D911ARK said:
It depends how much UV your hood gets and how wet, I guess.
From this, and similar threads on here, I'd guess once a year, if kept garaged.
Whether a PC would do it, I think the cost really wouldn't be worth it IMO
Click to expand...


Yep OPC will do it for you.
Mine was done at OPC a few years ago during the previous keepers ownership.
Price was around £100 iirc.

Its on one of the service invoices.

For what its worth, £30 of cleaner and fabric guard and a couple of hours (max) of your time will sort this out. (2 coats of protector)
I've got enough product left to do 6 applications I reckon, so it makes the product about £7.50 each time.
 
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