
Small town north of Caddo Lake
Spray Foam Insulation in Oil City, LA
Small, older homes near the lake where moisture under the floor is the first thing to check.
- Free on-site estimates
- Written quote naming foam type, thickness and R-value for each area
- Moisture and air leaks checked before anything gets covered
Lake Country Houses and Damp Air
Spray Foam Insulation in Oil City starts with moisture. The town sits on Louisiana Highway 1 just north of Caddo Lake, about 21 miles northwest of downtown Shreveport and 9 miles south of Vivian. Lake air adds to an already humid climate, and that humidity finds its way into crawl spaces, attics and wall cavities.
A small, older town
Oil City is small: 901 people in the 2020 census, down 10.6% from 2010, living in 406 households across under 2 square miles. Back in 2000 the town had 542 housing units. Those numbers point to an older housing stock with modest-size houses, and that shapes the work. A small house with a low attic and a raised floor can often be sealed and insulated top to bottom in a day or two.
Under the floor
Homes near water often sit on piers, and their crawl spaces take in humid air through the foundation vents. When that air meets the cool floor and ducts above, it condenses. We see sagging, waterlogged batts and damp floor framing in crawls like that. The fix is to remove wet insulation, lay a ground vapor barrier, and either insulate and seal the floor or encapsulate the crawl with closed-cell foam on the walls. The Department of Energy suggests about R-13 for an uninsulated floor in this zone.
Up top
The attic gets the same treatment as anywhere in Caddo Parish: seal the leaks around lights, pipes and the hatch, then insulate to depth. DOE recommends R-49 to R-60 for an empty attic in Zone 2, which covers all of Louisiana under the state energy code.
Camps and second homes
If your place near the lake is used part-time, tell us. Closed houses in humid weather can build up moisture fast, and the plan for a camp is a little different from a year-round home.
Get a free estimate or call (318) 378-5233.
What to Know in Oil City
- Location. Oil City sits on Louisiana Highway 1 north of Caddo Lake, 21 miles northwest of downtown Shreveport and 9 miles south of Vivian (Wikipedia).
- Population. Oil City had 901 residents and 406 households in 2020, down 10.6% from 1,008 in 2010 (Wikipedia).
- Housing stock. The 2000 census counted 542 housing units in Oil City, on about 1.8 square miles of land (Wikipedia).

Oil City Questions
My crawl space smells musty. What should I do?
Have it checked for standing water, leaks and wet insulation. Removing wet batts and adding a vapor barrier or encapsulation usually fixes the smell.
Can you insulate a lake camp?
Yes. We plan around how often it is occupied and how the space will be kept dry.
Is spray foam needed in a small house?
Not everywhere. Small homes often get the most from sealing and blown-in in the attic, with foam used on rim joists or crawl walls.
How long does a small-house job take?
For a small home, attic sealing and blown-in often take a single day. Crawl space work can add a day, depending on how much wet insulation has to come out.
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