When Your Floor Slopes, the Problem Is Underground
A sloped floor is not just uncomfortable. It is a sign that your home’s foundation has moved.
Most people do not think about what is under their manufactured home. There is a steel frame called a chassis. That chassis sits on a row of concrete blocks and steel stands. Those stands rest on pads in the dirt.
When the dirt shifts, the stands shift too. One side of your home goes up a little. The other side goes down a little. Over months, those small shifts add up. Your floor develops a slope. Your doors start to rub. Your cabinets swing open on their own.
We fix that. We go under your home, find every support point that has moved, and reset it. We work on manufactured homes only. This is all we do. That focus means we catch problems fast and fix them right.
Call us to schedule a crawl space check. We look at everything before we write a single number.
Why Flagstaff Homeowners Call Us for Leveling
We Measure at the Steel Frame, Not the Carpet
Floor coverings lie. A soft rug or a thick pad can hide a serious slope. We measure levelness at the chassis rail using precision instruments. This gives us a true reading of how far your home has shifted.
We Know Flagstaff's Frost Line From Experience
The correct footing depth is not the same in Flagstaff as it is in Phoenix. We have poured footings in this area for years. We know that 30 inches is the local code minimum and we know when the soil conditions require going deeper.
We Test the Soil Before We Lift Anything
A jack can lift a home. But if the soil under the pads is too soft, the home will sink right back down. We test the soil first. If it cannot hold the load, we fix that before we lift.
We Own Our Tools and Bring Them Every Time
We do not rent leveling jacks the morning of your job. Our hydraulic equipment, laser levels, and soil testers are on our truck every day. This means no delays and no borrowed tools.
We Walk You Through the Work Before We Leave
When we are done, we take you through the crawl space. We show you every support point we adjusted. We point out anything else we noticed while we were under the home. You do not wonder what we did. You see it.
Our Leveling Services
Resetting Sunken Piers and Concrete Blocks
Your home's concrete blocks hold its weight. When a block sinks into the soil, the frame above it sags.
We start at the low point. We check which blocks have sunk, cracked, or shifted sideways. Next, we lift the steel frame at that location.
We use a heavy-duty hydraulic bottle jack to raise the chassis frame. This jack lifts the steel beam slowly and at a controlled rate. That slow lift protects the walls and ceiling above from cracking during the lift. Then we reset the solid concrete block piers to the correct height and stack.
All block work follows Arizona Administrative Code R4-34-603. This is the state rule that sets block height limits, stack patterns, and required footing areas under each pier. We follow this rule on every job in Flagstaff.
Reading the Frame with a Precision Laser Level
Concrete blocks can look level to the eye but still be off by a quarter inch. A quarter-inch difference across a double-wide home can make your floors noticeably slope.
We do not rely on the eye. We set up measuring equipment across the full length of your home.
We use a dual-slope rotary laser level to project a perfectly flat reference line under your home. The laser sweeps the entire length of the chassis. It shows us exactly where the steel I-beam chassis rail is high, low, or twisted. We use those readings to direct every jack adjustment until the frame matches the laser line.
This process follows Arizona Administrative Code R4-34-603(B). That rule covers the levelness tolerances required for licensed manufactured home support systems in Arizona. We meet that standard before we leave every job.
Replacing Compressed Shims Before They Fail
Shims are the thin wedges between your concrete blocks and the steel frame of your home. They fill small gaps and fine-tune the height at each support point.
Older homes use pine shims. Pine is a soft wood. It compresses under weight over time. A pine shim that was a half inch thick when it was installed may now be a third of an inch thick. That lost height is where your floor slope comes from.
We pull every pine shim we find. Next, we measure the exact height gap at each support point.
We use an electronic water level manometer to read the precise elevation difference between each pier and the reference points on the chassis. This tool sends a reading accurate to the width of a coin. Then we cut and drive rot-resistant oak shims into each gap. Oak does not compress under load. It also does not absorb moisture the way pine does.
All shim materials we use meet 24 CFR Part 3285.306(b). This is the federal HUD standard that defines wood species, thickness, and installation method for manufactured home blocking shims.
Pouring Footings That Reach Below the Frost Line
Concrete pads sit under your support blocks. They spread your home's weight across a wider area of soil. If those pads are too shallow, the frost pushes them up in winter.
Flagstaff's frost line sits at roughly 30 inches below the surface. Any pad above that depth will move every winter.
We dig down to the correct depth first. Next, we test the soil before we pour anything.
We use a digital concrete penetrometer to measure the load-bearing strength of the soil at the bottom of each hole. This test tells us whether the soil is firm enough to hold the weight of your home. If it is not, we dig deeper. Then we pour fiber-reinforced concrete footings into the hole. The fiber strands inside the concrete prevent cracking from soil pressure.
All footings meet Coconino County Building Code Section R403. This local code requires a minimum 30-inch depth below grade for footings under permanent installations at Flagstaff's elevation. We pour every footer to that depth or deeper.
Pulling a Double-Wide Back Into Alignment
A double-wide manufactured home is two separate sections joined together at the center. That center joint is called the marriage line.
When the two sections shift at different rates, a gap opens at the marriage line. You may see a strip of daylight at your ceiling. You may feel cold air coming through the floor seam. This is not normal. It means the two halves have drifted apart.
We fix this by pulling the two halves back together. First, we anchor one side of the home. Next, we position our pulling equipment across the marriage line joint.
We use a heavy-duty steel come-along puller attached to the chassis frame on both sides. This tool ratchets the two steel frames toward each other with high tension. When the gap closes, we install a new structural marriage line gasket along the joint. Also, we tighten the center column bolts to hold the two halves in position.
This repair follows 24 CFR Part 3285.310(c). That HUD rule sets the requirements for closing, sealing, and fastening marriage line joints on multi-section manufactured homes.
Getting Your Home Certified for FHA and VA Loans
When you buy or sell a manufactured home with an FHA or VA loan, the lender requires a foundation certification. This document proves the home meets permanent foundation standards.
Many older manufactured homes were never certified. Without this document, the loan cannot close.
We do the full certification process. First, we inspect the tie-down anchor system. Next, we test each anchor.
We use a soil torque penetrometer to check how firmly each ground anchor is set. This tool measures the force required to turn the anchor bolt. A low reading means the anchor is loose and will not hold under wind load. When we find a loose anchor, we reset it before we write the certificate. Then we tension the structural tie-down straps connecting your home's chassis to the anchors.
All our certification work follows HUD Permanent Foundations Guide Section 602. Once the system passes, we provide a signed engineering letter that your lender will accept.
Where We Do This Work
- Flagstaff Mobile Home Parks: Summit Pines, Colony/Jo Don, Wildwood Hills, Sunnyside, Cheshire
- Surrounding Mountain Communities: Kachina Village, Mountainaire, Doney Park, Winona, Bellemont, Parks, Williams
How the Leveling Process Works, Step by Step
Step 1: Contact Us
Call or fill out the form with your details (sticking doors, sloped floors, etc.) to get started.
Step 2: Free Crawl Space Check
We schedule a convenient time to inspect your support blocks, shims, and chassis frame.
Step 3: Comprehensive Inspection
We go under the home to identify cracked blocks, sunken pads, compressed shims, or belly wrap tears.
Step 4: Written Quote
We present a clear, flat quote explaining the exact issues in plain language.
Step 5: Approval & Permitting
Once you approve the scope, we handle all ADOH permit paperwork for you.
Step 6: Day-of-Work Arrival
Our crew arrives on schedule with our own hydraulic jacks, laser levels, and concrete pads.
Step 7: Precision Leveling
We lift low points slowly using hydraulic jacks, resetting concrete piers and shims to a flat line.
Step 8: Crawl Space Cleanup
We collect all old debris and patch any access tears in the belly wrap before leaving.
Step 9: Final Walk-Through
We walk you through the adjustments, show before-and-after measurements, and provide a written record.
Your Floors Should Be Flat
A leveling job done right takes one to two days. The result is a home that sits straight, breathes right, and holds its structure for years.
Call us or fill out the form. We will book your crawl space check and send you a written quote the same day.