Originally Posted by soulsurvivor
how many coats/ cans did you use? what about as a topcoat to the silicon treatment? it seems that with correct pitch and tighness the theory is sound. as it would take a heck of a rain to be pressurized also did you treat both sides with the scotchguard? just curious dont want to get wet either bankin on others experience is the best.
There is a big difference between "water repellent" and "water proof". The "scotchguard" type materials are water repellents and will not hold up under a heavy rain even with the pitch angles we use. Learn this or get wet...your choice.