HOW WE DECIDE REPLACE VERSUS REPAIR
Age and system type set the baseline. Beyond that we look at mat condition and granule loss across all slopes, the number and pattern of hail bruises per test square, decking condition from the attic side, flashing and penetration integrity, and whether prior repairs are holding.
If two of those are marginal and the roof is past two-thirds of its service life, replacement is usually cheaper over five years than the repair sequence that follows.

