SFGTV2 November 8, 2013
Gives you between 48 and 72 hours. If the water evaporates in 4872 hour in the ponding areas it will not effect the manufactures warranty. What i find is that, again, i dont think the water itself hurts the roof. In the areas it ponds thats where the dirt ends up. It tends to wear the cap sheet down faster. What we recommend is every 4 years you may need to go on the areas where it a wearing the cap sheet and put emulsion and reimbed the granules. Its really difficult get a pond off an existing roof. When you raise an area you push it to the next. When you raise another area it pushes to anoth...