How do I know it is time to replace instead of repair?
Replacement makes sense when failures are spread across the roof rather than clustered in one spot, and when the shingles no longer seal or bend without cracking.
A technician counts the failures slope by slope and checks how flexible the shingles are. A roof where repairs keep appearing in new places is telling you that the whole covering has reached the end of its useful life. A repair may still buy a season in that case, but it does not change the answer. The honest conversation is about the roof as a whole.
What does a tear-off actually involve?
A tear-off removes the existing covering down to the decking so the boards can be checked, repaired and then covered with fresh material.
Crews strip the shingles, nails and old underlayment, then sweep the deck clean so the technician can see every board. Soft or rotted wood is cut out and replaced at that point, not covered over. Once the deck is sound, the new underlayment and covering go on, and the flashing is reset at every wall, valley and vent. A tear-off is slower than an overlay of new material, but it shows what is actually under the roof.
Why do mill-village roofs come due at the same time?
Whole streets in the old mill villages were built by one company in a short span, so the roofs on them are the same age and the same shape.
The mill villages of the Second Broad River, including Caroleen, Henrietta and Cliffside, grew up around company housing in a few years around the turn of the last century. That history is why one roof on a street often sends a homeowner to a technician, and why the neighbors are worth checking too. Where the houses were built together, the wear tends to follow the same curve.
What moves the price up or down on a replacement?
The size and pitch of the roof, how many layers come off, the condition of the decking, the flashing and chimney work, and the access on the lot all move the price. No figure is given here, and the technician's written price is the only real number.
A larger roof with a steeper pitch takes longer to strip and install. Each layer that comes off adds labor and disposal. Soft decking adds carpentry before the new covering can go on. Chimneys, skylights and valleys add flashing work, and a rural lot can add time in getting materials to the house. The age of the building and how many units share the roof also count. The price is explained and approved before work starts.
What about the attic and the ventilation under a new roof?
A new roof is the time to look at attic ventilation, because hot, humid summers push heat and moisture into the roof structure.
Trapped attic heat ages shingles from underneath, and trapped moisture can rot decking and rafters over time. A technician checks the vents and the soffit openings, and notes whether airflow looks restricted. Any change to ventilation is explained and planned with the new covering, so the work is done once rather than twice.