I'm not sure how many of you treat your tops, but I feel it's important. So if you're not doing it, it's easy and I figured I'd share how.
The most important is you need a really sunny day that will be over 70 degrees and no chance of rain. You'll need time at least an hour or two so that the initial application is cured, but you shouldn't take the top down for at least 6 hours so that the cure is good.
Based on my research the two best brands I've found are Formula 303 and Ragg Top, both are used by a lot of high end car owners, so I feel safe with them. One year I used the Griott's brand and was not impressed. This time I used the kit by Formula 303
Start off with washing the top. I used a natural brush and the Formula 303 top cleaner. You want to really get it clean so after washing it, I let it dry and then went over it with masking tape to take off all of the brush hairs and any dust.
Mask off the car. I found a method that worked really well this time. You really can't mask too much because if the protectant gets on the glass or paint it's REALLY a pain to get off (yes I learned this the hard way)
I used sheets and masking tape and made myself a little Tigger fort (see pics attached). I have dogs, if you have dogs you'll find that there is no fabric in the house without dog hairs, soooo out came the masking tape again to get the dog hairs off of the top since the sheets had hairs on them. But, the paint and glass was well protected.
Once the paint and glass was fully protected I checked the top and it was fully dry. Now it was time to protect, I used Formula 303 again. Using sweeping motions you get a light but thorough coat all over the fabric. I like to add a second coat so I gave it about 15 minutes and when it was pretty dry, I added a second coat. You don't want to saturate the top, just a light coat that has no gaps, be sure to overlay as you go, let it dry and repeat. You can go three coats if you have enough product.
I also kept a microfiber in my hand just in case I got some on the car. Sure enough, the boot under the window wasn't protected as well as I should have and I got some on the paint. It's easy to get the stuff off if you catch it right away, so I sprayed, wiped, and moved on. Next time I'll tape paper across the boot.
Once it's done, you can remove the protectant sheets and tape and then sit the car in the sun to dry and cure. They say it takes a good 6 hours to cure, so don't open the top or expose it to water during that time.
I hope this helps, and I hope you're all doing this. It can really extend the life of your top. Tigger is on his second one, and I know this one won't be covered under warranty so I'm going to make it last.
I was thinking if anyone ever wanted to do a top treating day, I'd be glad to help out. But it could be hard to plan because it's so weather dependent.