He said that one more hail storm with quarter-sized hail or larger could possibly destroy any remaining granules and leaks could sprout. 

this is the scope of work. the dimension of the roof is roughly 45X151) Tear-off all layers of roofing and gravel down to wood decking and legally dispose. 2) Inspect wood decking and replace all deteriorated and broken areas at $ 2.50 per sq. ft. 3) Inspect existing Ceramic Copings and replace all deteriorated and broken at $ 35.00 Each.4) Install Fiber Cant Strip at the base of the walls and curbs.5) Install 1 layer of Base Sheet over wood decking using corrosion resistant screws and plats. 6) Install 1 layer of Modified Bitumen CertainTeed GTA Granulated. 7) Install Metal gravelstop and gutter flashings at the roof edges. 8) Flash all vents, soilpipes, and chimney using the same Modified Bitumen. 9) Install 5” Galvanized Box Gutter and 3x4 Downspout to replace existing. 10) Pick up and haul away all roof debris generated by Presidential.

You have to realize the purpose of the granulation on a roof.

Besides, the one granule of useful info to be had from mass audience news is not worth listening to the story of the mother who brutally killed her baby 500 times a day every day only to be replaced by the guy who shot his family and then himself around the Christmas tree.

It is very difficult to find a proper paint that adhere to granulated roofing AND will not peel for some time due to weather.

Loss of granules is a sign of roof aging.  

Shingles look brittle, curling, split and the granules  have washed away, it’s worn out.

An exception would be extensive storm damage that goes beyond the surface and affects multiple areas.The most common repairs performed on roofs include:90-95 percent occur around flashingBlown- Off or loose shinglesPonding water due to insufficient protective measuresPunctures or penetrations relegated to a single areaShingles that are curling upwards may mean there are leaks underneath the surface or that water is getting into parts of a roof where it shouldn’t be going. roofs with curled shingles often need to be replaced within 1-5 years.Complete replacement is typically recommended when:Damage extends below a roof’s surface layerRepairs are becoming increasingly frequentBald spots are showing up where granules( materials that provide added protection to a roof) are missingA roof is more than 20- 25 years old or has undergone too many re-roofs to make re-roofing a safe option againAn existing roof was poorly installed or not installed according to codeRoof replacement doesn’t necessarily mean completely tearing off an existing roof and starting over from scratch.

The number above also include the cost of ice & water barrier granulated roofing underlayment. 

But this is the report I received.1) The roof covering showed signs of cracking, curling, and loss of granules.