Supplemental Beam Installation for Crawl Spaces


Eliminating Bouncy and Sagging Floors

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If your floors shake when you walk across the room, or if you’ve noticed a distinct slope toward the center of your house, your home is suffering from a structural deficit. In many Raleigh and Durham homes, original floor joists were installed with spans that are simply too wide to support the modern weight of the home—especially if you’ve added heavy features like a kitchen island with granite countertops.

At Elite Moisture Solutions, we don’t just “patch” the problem with temporary fixes. We permanently restore and re-distribute the load-bearing capacity of your crawl space by installing supplemental beams. By cutting the span of your joists in half, we eliminate deflection (bending), arrest sagging, and restore a firm, solid feel to your floors.

Signs You Need Structural Reinforcement

When floor joists are over-spanned, weakened by wood rot, or burdened by excess weight, the framing begins to deflect. If you are experiencing any of the following, your floor system needs reinforcement:.

floor gap

Spongy or Bouncy Floors: A noticeable “springy” or trampoline-like feeling when walking across large spans in your living room or kitchen.

Gaps Under Baseboards: Visible space appearing between the floor and the wall baseboards, indicating the floor assembly is dropping away from the framed walls.

Sloping Surfaces: If rolling a marble across the floor reveals a clear lean toward the center of the house, your central support structure is failing.

Sticking Interior Doors: Doors that suddenly rub against the frame or fail to latch are often caused by a slight shift or dip in the floor height below the doorframe.

Our Supplemental Beam Specifications & Process

Our structural reinforcement process is designed to be permanent, utilizing high-grade materials to eliminate joist deflection and safely carry the weight of your home.

Primary Goal: To redistribute floor weight, halt downward movement, and eliminate joist deflection.

Best Application: Homes with over-spanned joists, structurally compromised wood (due to rot or past termite damage), or homes adding significant localized weight (like heavy kitchen islands or granite).

Material Specifications: We utilize steel I-beams or heavy-duty pressure-treated 2x10s, depending on the load requirements of your specific floor plan.

Support Method: The beams are actively supported and lifted using heavy-duty, adjustable steel jacks resting on proper structural footings.

supplemental beam

Cost & Financing for Supplemental Beams


We believe in complete transparency. The cost of adding supplemental support is directly dependent on the length of the beam span required and the number of steel support columns needed to bear the load safely.

Estimated Cost: Most supplemental beam projects in the greater Raleigh area range from $3,000 to $6,000.

Flexible Financing: We make structural safety affordable. We offer 6-month, 12-month, and 18-month “same-as-cash” options, as well as traditional financing terms through our trusted partnerships with Regions Home Improvement Financing and Greensky.

Frequently Asked Questions About Supplemental Beams


Our primary goal is permanent structural stabilization. While we can often “lift” a floor significantly back toward its original position using our adjustable steel jacks, we prioritize structural safety. Pushing a floor too far or too fast can cause severe cracks in your drywall, pop floor tiles, or damage plumbing. We lift safely and stabilize permanently.

Most supplemental beam reinforcements are completed efficiently in two days for most projects. Because all the work is performed underneath your home in the crawl space, there is minimal disruption to your daily life inside the home.


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Don’t just take our word for it. With 110+ five-star reviews on Google, we are Central North Carolina’s most trusted foundation repair team. See why your neighbors choose Elite for their toughest structural repairs.

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We build solutions that last, and we back them up. Our structural repairs come with industry-leading, transferable warranties, ensuring your home’s value is protected for years to come.

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EASY FINANCING
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EASY FINANCE OPTIONS:

9-Month Same-As-Cash Loan

9.99% APR 5-Yr Loan

Traditional Installment Loan

*Credit and loans provided by Regions Bank, Member FDIC, (650 S. Main St., Suite 1000, Salt Lake City, UT 84101) on approved credit, for a limited time. 9.99% fixed APR, subject to change. Minimum loan amounts apply. Interest starts accruing when funds are disbursed. Open line period payments due 90 days after origination and monthly thereafter during open line period. When open line period ends, the balance becomes a fixed rate installment loan; repayment term is 60 months. Actual loan term may be shorter if less than the full approved amount of credit is used. First monthly loan payment due 30 days from the end of the open line period. 60 monthly payments of $21.69 per $1,000 borrowed. The minimum monthly payment will be no less than $50.00.