Indiana has a lot of century-old housing stock. The attachment method matters more than the lights, and the wrong one leaves damage that outlasts the season.
Indiana is full of older buildings. Madison and New Albany have some of the best-preserved 19th century streetscapes in the Midwest. Indianapolis, Fort Wayne, Richmond, and Lafayette all carry deep inventories of century-old homes with original trim, soft brick, and copper detailing. Columbus has a nationally recognized architectural heritage that makes owners there unusually attentive to how anything attaches to their building.
For all of those properties, the attachment method is the entire job. The lights are commodity. What separates a good install from an expensive mistake is what happens where the fixture meets the building.
The rule we work by is straightforward: nothing penetrates. No staples into fascia, no screws into shingles, no fasteners driven into masonry or mortar joints. Every one of those creates a path for water, and on older soft brick and lime mortar, a drilled anchor can cause spalling that is genuinely difficult to repair correctly.
Instead the work uses non-penetrating clips sized to the specific gutter profile, shingle edge, or trim detail in front of us, and mortar-friendly hangers where masonry attachment is unavoidable. Older homes rarely have consistent dimensions, so this is a per-run assessment rather than a single clip spec applied to the whole building.
Wiring routing matters just as much on historic facades. Runs should follow existing architectural lines, downspouts, trim reveals, and mortar joints, so that the daytime appearance stays clean. On a well-detailed facade, visible cable draped across a field of brick undoes the entire effect.
There is also a documentation piece that owners of older homes should insist on from any contractor. Before work begins, existing conditions get photographed and noted: loose trim, prior fastener holes, cracked mortar, gutter separation, soft or rotted fascia. This protects both sides. It tells us where not to load a clip, and it means nobody is arguing in January about whether a crack was there in October.
One caution specific to older Indiana homes: heavy tree cover. Mature canopy on century-old streets means abrasion where branches contact a roofline run through a winter of wind. On those properties, run placement should account for the trees, and in some cases the honest recommendation is to trim before install rather than route around a problem.
If you own an older Indiana home and you are nervous about anyone touching the trim, that instinct is correct. Ask any contractor exactly how they intend to attach, and ask before they are on the roof. Anyone who cannot answer that specifically should not be up there.