CASE STUDY
Cabin Foundation Repair for Duluth Homeowners: A 100-Year-Old Case Study
For Duluth homeowners facing settlement in an aging cabin, this 100-year-old cabin case study shows how DBS Repair used 11 helical piers and four steel I-beams to stabilize failing supports. One year later, a laser-level inspection found less than one-eighth of an inch of movement.
This 100-year-old cabin needed foundation repair after decades of wear left the structure with serious support problems similar to issues found in older cabins around Duluth and northern Minnesota. Homeowner John Plut described the existing footings as being in terrible condition, requiring a dependable system designed for long-term stability.
DBS Repair developed a cabin foundation stabilization plan using 11 helical piers and four steel I-beams. The I-beams helped distribute the structural load, while the piers provided support beyond the failed footings and unstable surface conditions. Together, these components created a stronger cabin foundation support system beneath the home.
For this project, the crew installed cabin foundation repair solutions and connected the new support system to four steel I-beams. Helical piers are advanced into the ground until they reach soil capable of supporting the required structural load. This approach can help stabilize a settling or sinking cabin foundation when shallow footings can no longer provide reliable support.

THE PROBLEM
Sinking Cabin Foundation
The footings beneath the 100-year-old structure were in poor condition and could no longer provide dependable support. The cabin needed a professional structural repair plan that addressed the foundation instead of another temporary surface adjustment.
THE REPAIR PLAN
11 Helical Piers and Four I-Beams
DBS Repair installed 11 helical piers beneath four steel I-beams. The piers provided deeper cabin foundation support, while the I-beams distributed the structural load across the new stabilization system.
THE VERIFIED RESULT
Less Than 1/8 Inch of Movement
One year after the cabin foundation repair, DBS returned and measured the structure with a laser level. The inspection found that the cabin had moved less than one-eighth of an inch.
A Measurable Result One Year Later
The follow-up laser-level inspection gave the homeowner tangible evidence that the new cabin foundation stabilization system was performing as intended.
“DBS took our 100 year old cabin and basically rescued it.”
— John Plut, DBS Repair customer
John reported that the cabin had not moved even one-eighth of an inch when DBS assessed the completed work the following year. His experience shows why an old cabin foundation repair should address failed supports with a system designed around the structure and supporting soil.
Expert Cabin Foundation Repair from DBS Repair
If you have noticed uneven cabin floors, a sagging cabin floor, sticking doors, shifting supports, or a visibly sinking cabin foundation, it may be time for a professional evaluation. DBS Repair examines the foundation, framing, site conditions, and structural movement before recommending cabin foundation leveling or stabilization. Our team provides cabin, cottage, and lake house foundation repair solutions for homeowners in Duluth, MN and surrounding northern Minnesota communities.

Primary structural stabilization solution
To fully support the cabin’s structure, DBS installs steel I-beams along with foundation pier systems. When the I-beams are welded to helical piers, this makes for a solid, stable cabin foundation support system. Helical piers are driven to competent soil regardless of surface conditions, providing permanent stabilization that resists freeze-thaw movement.

Local foundation stabilization guidance
Duluth-area cabins are exposed to repeated freeze-thaw cycles, seasonal moisture, and shifting soils. A professional foundation inspection can determine whether settlement should be addressed with piers, structural beams, support posts, or another repair approach based on the cabin and site conditions.
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