The railroad village on the divide
Spray Foam Insulation in Crestline, OH
Railroad-era houses on high ground between two watersheds.
- Free on-site estimates across Richland County
- Written quote listing foam type, thickness and R-value for each space
- Roof leaks, damp sills and old wiring flagged before anything is covered
Homes Built Around a Rail Junction
Spray foam insulation in Crestline means working on homes from the village's railroad years. Wikipedia describes Crestline as a division point for the Pennsylvania Railroad's Pittsburgh, Fort Wayne and Chicago line and a transfer point to the New York Central; its roundhouse was decommissioned in 1968. The town grew around the station, and many of its houses were built for railroad families.
Named for high ground
Early settlers believed Crestline sat on the state's watershed, with streams to the north draining to Lake Erie and to the south to the Ohio River, and the name came from that high elevation. The village sits near the headwaters of the Sandusky River. Exposed ground means wind, and wind drives air through leaky walls and attics.
Two counties
Crestline lies mostly in Crawford County with a small part in Richland County. Both are in Ohio's Climate Zone 5A, so the code targets are the same.
Common work
Attic sealing and blown-in, rim joist foam, and dense-pack walls in older frame houses.
Small houses, big leaks
Many of Crestline's homes are modest one- and one-and-a-half-story houses built for railroad workers. Small houses still leak a lot of air through old windows, open chases and the band joist. Because there is less square footage, a full package of rim joist foam, attic sealing and blown-in is often affordable in a single visit, and the change in comfort is easy to feel.
What to Know in Crestline
- Railroad division point. Crestline was a division point for the Pennsylvania Railroad's Pittsburgh, Fort Wayne and Chicago line; the roundhouse was decommissioned in 1968 (Wikipedia).
- Housing. The 2020 census counted 2,182 housing units in Crestline, 8.9% vacant (Wikipedia).
- Two counties. The village lies in Crawford and Richland counties, both in Ohio's Climate Zone 5A.

Crestline Questions
Do you work on both sides of the county line?
Yes. Crawford and Richland County homes in Crestline are both in our area.
My old house is drafty everywhere. Where do I start?
Attic and rim joist sealing first. They are the largest leaks and the least costly to fix.
Can you foam a basement with a stone foundation?
We check moisture first and usually foam the rim and sill.
Can you insulate a one-and-a-half-story house?
Yes. The upstairs slopes and knee walls need special attention; we seal and insulate them along with the flat attic areas.
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