Diagonal board subfloor in older homes
In older homes, boards instead of sheets sit under the kitchen. We fix them in kind or cover them with plywood for a flat base.
Serving Oak Park & nearby Berwyn, Chicago
Kitchen Subfloor Repair in Oak Park, IL
Soft, rotted or squeaky kitchen subfloors opened up, rebuilt and made solid in Oak Park homes.
- Repairs across Oak Park ZIP 60302, 60304, 60301
- We find the cause, not just the symptom
- Parts and labor quoted before work starts
Subfloor problems we fix in Oak Park kitchens
A soft spot in front of the dishwasher or sink usually means water has been reaching the wood under the floor for a while. In Oak Park we find and stop the leak, cut out the damaged subfloor, check the joists and install new panels that are glued and screwed down.
Uneven or out-of-level floor
We measure the floor for flatness and fix high and low spots so the new finish lays flat.
Spongy floor at the sink base
Drips from supply lines or a drain connection run down into the cabinet floor and the subfloor below it. We check both and replace whatever has softened.
Damage at a seam from a past repair
A patch that dips at its edge was likely cut between joists without blocking. We open it and support it correctly.
Cracked tile or separating plank floor
When the floor above keeps breaking, the cause is often underneath. A stiffer, flatter subfloor makes new flooring last.
Swollen, mushroomed panel edges
Raised lines in a floor that follow a grid usually trace swollen subfloor seams. We replace the damaged panels.
Bouncy or sagging floor
Sag across the room points to the joists. Structural repairs like sistering usually need a permit, and we handle that work properly.
Floor too thin for tile
Planning porcelain on a floor built for sheet vinyl? We check the thickness and stiffness and build it up as needed.
Where we look first
- Finding and stopping the leakWe look for the source — dishwasher, sink, fridge line or an outside wall — and make sure it is fixed first.
- Moisture testingMeter readings across the area tell us where wet wood ends and when it is safe to close the floor.
- Cutting out damaged subfloorWe remove the damaged area in a clean rectangle with every edge supported.
- Joist inspection and reinforcementJoists under the opening are probed for rot and cracks; weak ones get new lumber fastened beside them.
- New subfloor panelsTongue-and-groove plywood or OSB of matching thickness, glued to the joists and screwed down.
- Leveling and flatteningSeams are sanded flush and low spots filled so the finish floor has a flat base.
- Ready for flooringThe repaired area is left ready for tile, plank or wood, and appliances go back when the floor is finished.
Repair options
OSB panelsCommon in newer construction and fine when kept dry, but its edges swell if it gets wet.
Sister joists and blockingNew lumber fastened alongside damaged or weak joists, plus blocking that supports panel edges.
Leveling compound and patchFlattening products for small dips and seams.
Tongue-and-groove plywoodThe usual choice for kitchen subfloors: stiff, holds screws well and tolerates brief wetting better than OSB.
Construction adhesive and subfloor screwsGlue and screws together keep the subfloor from moving and squeaking.
Kitchen Subfloor Repair before and after — Oak Park homes
Problem
Fixed
DetailKitchen Subfloor Repair in a prewar foursquare, Oak Park
This one is a prewar foursquare near Gunderson Historic District. What we started with: worn maple strip floor with dark patches and an almond range and refrigerator. The main complaint was a bouncy floor near the dishwasher. Finished kitchen: new plywood subfloor glued and screwed down in front of the dishwasher, ready for flooring. Work included moisture testing, cutting out damaged subfloor, plus ready for flooring.
Before
AfterKitchen Subfloor Repair in a two-story colonial from the 1990s, Elmhurst
A two-story colonial from the 1990s in Elmhurst, a typical kitchen for Elmhurst. Before: oak parquet and white appliances. The main complaint was a bouncy floor near the dishwasher. Finished kitchen: new plywood subfloor glued and screwed down in front of the dishwasher, ready for flooring. The job covered moisture testing, cutting out damaged subfloor, plus joist inspection and reinforcement.
Kitchen Subfloor Repair in Elmhurst →
Before
AfterA Park Ridge two-story colonial from the 1990s: before and after
This one is a two-story colonial from the 1990s in Park Ridge. The kitchen as it was: beige sheet vinyl and almond appliances. The reason for the call: a spongy floor in front of the dishwasher. After: new plywood subfloor glued and screwed down in front of the dishwasher, ready for flooring. On site this meant finding and stopping the leak, leveling and flattening, plus ready for flooring.
Kitchen Subfloor Repair in Park Ridge →
Before
AfterHardwood Floor Repair & Refinishing in a brick bungalow from the 1920s, Oak Park
What changed: the oak floor sanded and refinished with a satin clear finish, grain visible and the water marks gone.
Hardwood Floor Repair & Refinishing in Oak Park →
Before
AfterOak Park kitchen, 1920s bungalow: kitchen remodeling
What changed: soft sage-green inset-style cabinets with unlacquered brass hardware, honed white marble-look quartz counters, a white handmade-look square tile backsplash, restored oak strip floor and schoolhouse pendant lights.
Kitchen Remodeling in Oak Park →The repair visit
- Inspect the floorA visit to find the soft area, its cause and how far the damage goes.
- Stop the waterThe leak is fixed and the area dried before we close anything up.
- Rebuild the subfloorCut out, reinforce, replace and level the subfloor.
- Finish the floorNew flooring goes down over the repair, or we leave it ready for your installer.
Kitchen Subfloor Repair questions from Oak Park homeowners
Who should I call for subfloor repair?
Call a contractor that does subfloor and framing work, not just flooring. We repair the base and can install the new floor.
Do cabinets have to come out?
Only if the damage runs under them. We often remove a toe kick or sink base floor instead of the whole cabinet.
How do you find where the leak is coming from?
We look at the stain pattern, check the dishwasher, sink and fridge connections and use a moisture meter to find the wettest spot.
How long does subfloor repair take?
Small sections are quick. Framing repairs and new flooring add days.
Do I need a permit for subfloor repair?
Replacing subfloor panels usually doesn't. Structural work such as sistering or replacing joists often does, and we pull the permit when it's required.
Does kitchen subfloor repair need a Oak Park building permit, and who files it?
Permits go through Permit & Development Division (Development Services Department), phone 708-358-5430. When your scope needs one, we prepare the application and schedule the inspections.
Can you do kitchen subfloor repair in an Oak Park condo?
Associations usually set rules for work hours, elevators, deliveries and insurance, and many require approval for plumbing, electrical or structural changes. We provide the certificate of insurance and follow the building's rules.
Do I need a permit for kitchen subfloor repair in Oak Park?
It depends on the scope. Oak Park's rule in short: Permits needed for installing new cabinets and countertops and for any extension or alteration of electrical, plumbing or HVAC systems; separate electrical and plumbing permits. We handle the permit when one is needed with Permit & Development Division (Development Services Department).
Do you work in my part of Oak Park?
Yes. Our crews work across Oak Park, including Ridgeland-Oak Park Historic District, Gunderson Historic District, Harrison Street arts district — ZIP 60302, 60304, 60301 — and nearby Berwyn, Chicago, Elmhurst.
Working in Oak Park
- Most Oak Park homes are prewar. We work around plaster walls, radiators and out-of-square rooms every week.
- Condo or townhome? We follow association rules on work hours and elevators and bring the insurance certificate your board asks for.
- Live in the Ridgeland/Oak Park Historic District? Interior kitchen work is usually not reviewed. We check before anything touches the exterior.
Ridgeland-Oak Park Historic DistrictGunderson Historic DistrictHarrison Street arts district
ZIP 60302ZIP 60304ZIP 60301
Kitchen Subfloor Repair nearby
Other kitchen services in Oak Park
Hardwood Floor Repair & RefinishingSanding, refinishing and board repairs for kitchen hardwood floors.
Kitchen RemodelingFull kitchen remodels, from layout to last cabinet pull.
Kitchen Cabinet PaintingFactory-smooth painted cabinets without replacing them.
Cabinet RefacingNew doors and fronts on your existing cabinet boxes.
Countertop Fabrication & InstallationQuartz, granite and butcher block, templated and installed.