Ypsilanti Homes Carry the Same Air Leakage Problems as Ann Arbor, at Lower Investment

Ypsilanti sits adjacent to Ann Arbor in Washtenaw County, and the housing stock near Depot Town, the EMU campus, and the city's historic neighborhoods carries the same air infiltration problems common across Washtenaw County's older homes. The craftsmans and colonials built in the early and mid-twentieth century have rim joists that were never sealed, attic bypasses that have never been addressed, and basement walls that transfer cold directly into the living space. Spray foam delivers the same results here as anywhere else in the county.

Why Ypsilanti's Older Housing Stock Loses Heat at Elevated Rates

The homes near Ypsilanti's historic core — particularly in the Depot Town and Normal Park neighborhoods — date from 1900 through 1940. These homes were built before any insulation or air sealing requirements existed. The newer neighborhoods farther from downtown are from the 1950s through 1970s and share the same absent air barrier problem. All of it sits in Zone 5B, where the temperature differential between inside and outside pushes cold air through every unsealed gap from November through March.

Consumers Energy serves most of Ypsilanti. Winter heating bills in the older housing stock here consistently run above the county average. Air sealing at the rim joist and attic is the most cost-effective way to reduce that gap.

What Spray Foam Addresses in Ypsilanti Homes

Rim Joist and Basement Sealing

The rim joist in a 1930s Ypsilanti colonial is typically exposed or covered with original fiberglass that provides minimal air resistance. Closed-cell spray foam applied to the rim joist and lower foundation wall creates an air seal and vapor barrier in one pass. Basements that previously ran cold all winter hold heat noticeably better in the first season after treatment.

Attic Sealing

Older Ypsilanti homes have attics with knee walls, dormers, and bypasses around plumbing and interior partitions that allow conditioned air to escape directly. Open-cell spray foam at the underside of the roof deck seals all those paths and converts the attic to conditioned space. Homes with HVAC ducts in the attic see the greatest improvement.

Crawl Space Treatment

Several neighborhoods in Ypsilanti, particularly near the older housing stock on the east side of the city, have homes with partial basements or full crawl spaces. Closed-cell spray foam at the crawl space walls and floor perimeter creates a dry, stable environment that reduces heating costs and prevents moisture-related damage to the floor structure above.

Pricing in the Ypsilanti Market

Spray foam pricing in Ypsilanti and Washtenaw County:

• Open-cell foam: $1.50 to $2.50 per square foot (attic undersides, interior walls, sound control)
• Closed-cell foam: $2.00 to $3.75 per square foot (basement walls, rim joists, crawl spaces)

A rim joist job on a 1,100 sq ft footprint runs $600 to $1,100 installed. A full attic conversion runs $1,600 to $3,200 depending on access and existing insulation. Most Ypsilanti homeowners recover 20 to 30 percent of that cost in the first heating season.

We are licensed, insured, and serve Ypsilanti and greater Washtenaw County.

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If your Consumers Energy bill runs high and your home was built before 1985, air sealing gaps are the most likely cause. We provide free estimates with no obligation.

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