Roll on or paint on roof sealant for many small holes?

[fishnaked]

Well, after much Internet research, many phone calls, testing, and stress, I finally did it.

Several issues. One: There are dozens of different elastomeric paints on the market. Two: Most stuff won't stick to vinyl. Three: Much of the promising looking coatings are only available in 5 gallon buckets which, makes experimenting an expensive proposition.

I was lucky enough to find a paint store willing to open a couple different elastomeric paints to test on my test piece. Acrylic. Stuck great...until it got wet. Peeled right off.

To make a long story short, I ended up with a 100% silicone roof coating called Gaco Roof. It was available in one gallon sizes at $50. I tested it. Seemed to adhere fine so purchased a 5 gallon bucket and rolled it on. Two medium-thick layers on the roof and one thickish layer on the wall.

I did it with the cover off, on a concrete floor in a friends shop. Rolled it up around carpet tubes after it dried and unrolled it on the yurt, carefully.

Of the 6 gallons, I have about 1.25 gallons left. My yurt is 20' dia. I didn't paint the sections of the cover that I had to replace which accounted for ~100 sq feet. If I were doing this again, and painting an entire 20' yurt, I'd probably use 7-8 gallons. This is less than Gaco recommends but I still think it would be plenty thick.

Prior to painting, I scrubbed with hot soapy water, dried, then cleaned it with lacquer thinner (not fun).

Though this stuff has a 50 yr warranty, I have no idea how long it will hold up for my application. Thus far, I'm optimistic. The $325 I'm in to it is less than a new $2000 cover.

Lastly, the Gaco Roof is available in a slew of different colors...as long as you're buying 5 gallons of it.

Hope this helps someone out there.