Delmar's roofs span three name changes' worth of construction
Delmar's history runs through three names -- Adamsville, after Nathaniel Adams' 1836 hotel; Adams Station, adopted to stop postal mix-ups; and Delmar, made official in 1892 after the Albany and Susquehanna Railroad's own station name won out. Each period left a different building style behind, and with it, a different roof pitch and material era to plan around.
Matching a roof to Delmar's older housing stock
A roof over one of the hamlet's original 1830s-1840s sections is a different job than one over a home built after the 1892 rename -- older sections tend to carry steeper original pitches and more chimney penetrations, while later Delmar-era construction is closer to standard 20th-century framing. Either way, Capital District winters bring enough snow-load and ice-dam risk that ventilation and flashing details matter more than they would somewhere milder.
What Delmar homeowners typically need
Before the roof estimate
Know roughly which era of Delmar your home was built in if you can, and mention any chimneys or additions. Ask how a provider plans to handle ventilation, not just materials.