Lapeer County seat, east of Flint
Spray Foam Insulation in Lapeer, MI
Lapeer's homes swing from pre-1940 to 1970s and 1990s, with farms and shops all around.
- Free on-site estimates
- Written quote listing foam type, thickness and R-value for each area
- Rim joists, attic bypasses and moisture checked before we price
Insulating Homes and Shops in Lapeer
Spray Foam Insulation in Lapeer covers a county seat with a long history and a lot of surrounding farmland. Point2Homes' census summary shows 25.8% of the city's homes from the 1970s, 17.4% from the 1990s and 17.3% from 1939 or earlier. About half of occupied homes are rented, and 45.1% of units are detached houses.
Platted in 1833
Lapeer was platted on November 8, 1833. A tamarack swamp once separated the two early settlements, and the flourishing lumber trade brought in the railroads. One story says the name comes from the French for the flint stone in the south branch of the Flint River. Wikipedia counts 3,921 housing units in 2020.
Older homes and apartments
Older houses near downtown need wall insulation and sealed attics. Apartment buildings and rentals need hatch and attic work and rim joist foam, ideally between tenants.
Farms, shops and pole barns
Lapeer County is largely rural, and pole barns and steel shops are common. Closed-cell foam on the walls and roof stops condensation and makes the building heatable.
Code zone
Lapeer County uses the same Michigan residential energy code as Genesee County. For existing attics we aim for R-49 to R-60, the DOE range for Zone 5.
Old homes near downtown
Lapeer's oldest houses, near the county courthouse and the river, date to the lumber and railroad years. They often have plaster walls, balloon framing and attics with only a few inches of old insulation. We check wiring before filling walls, block the open framing paths at the top and bottom, and dense-pack each cavity. In the attic we seal around chimneys and plumbing chases before blowing insulation to depth. Rim joists in these houses often sit on fieldstone or block, and closed-cell foam closes the many gaps between the masonry and the framing.
Call (810) 428-0486 or get a free estimate for a visit and a written price.
Lapeer Housing Facts
- Housing age. 25.8% of Lapeer homes from the 1970s, 17.4% from the 1990s and 17.3% from 1939 or earlier (Point2Homes, census ACS).
- Many rentals. 49.5% of Lapeer's 3,701 occupied homes are renter-occupied (Point2Homes).
- Early history. Lapeer was platted November 8, 1833; lumber brought the New York Central and Grand Trunk railroads (Wikipedia).
- Housing count. 3,921 housing units in 2020, 6.0% vacant (Wikipedia).

Lapeer Questions
Do you travel to Lapeer from Flint?
Yes. Lapeer is part of our regular area, and combining jobs like an attic and a rim joist makes sense to stay above typical minimums.
Can you foam a steel shop in Lapeer County?
Yes, with closed-cell on walls and roof.
What R-value should a Lapeer attic have?
We aim for R-49 to R-60 in existing attics, following DOE guidance.
Do you insulate older homes near downtown Lapeer?
Yes. Dense-pack in the walls, sealed attics and rim joist foam are typical for those houses.
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