How to Install Laminate Flooring Around Cabinets

Install floating laminate up to fixed cabinets, not beneath them. Keep the cabinets supported by the subfloor and leave the clearance your flooring instructions require, often 3/8 inch. Prepare the subfloor, control concrete moisture as specified, cut planks carefully, and cover the gap with trim that does not pin the floor.

A floating floor needs room to move. The surprising part is that a neat-looking installation can fail because a heavy cabinet holds the floor in place. If seasonal movement is blocked, joints may peak, buckle, or separate. The fix starts before the first plank: plan the cabinet edge and expansion clearance.

I treat the cabinet line as a fixed boundary. The planks stop short, and trim hides the gap without fastening through the laminate. This guide covers preparation, cutting, finishing, and the common problem areas that can make a kitchen floor look unfinished or keep its locking joints from working as intended.

Substrate Inspection, Flatness, and Moisture Preparation

Substrate means the surface beneath the laminate, such as plywood, another approved wood subfloor, or concrete. It must be sound, flat enough for the product, and dry within its stated limits. Laminate cannot correct a weak or uneven subfloor, so inspect and prepare this surface before laying underlayment or planks.

Check the floor and fixed cabinets

Start by confirming that the cabinets and island are installed, secure, and not moving. Check the subfloor for rot, loose panels, squeaks, protruding fasteners, and signs of moisture. Repair damaged areas and secure loose sections using methods suited to the subfloor.

Check flatness with a straightedge. Follow the laminate maker’s limit; a common requirement is no more than 3/16 inch of variation over 10 feet, but that is not universal. Mark high and low areas, then correct them with methods approved for the substrate and flooring system. Do not assume a thicker underlayment will level the floor.

Also check whether the cabinet bases are level and whether the planned floor height will affect appliances or door clearance. A dishwasher, for example, may be difficult to remove later if the new floor raises the surface in front of it. Resolve access and height concerns before installation.

Test concrete and choose the right layers

On concrete, use the moisture test required by the flooring manufacturer. That may include ASTM F2170 in-situ relative humidity testing. The allowable moisture limit depends on the product; do not use a single assumed RH or moisture-vapor emission rate for every laminate.

Where the instructions require a vapor retarder, use the approved product and install it as directed. A 6-mil polyethylene sheet is often specified, but follow the exact instructions for overlap and seam sealing. Some laminate includes attached pad, and some instructions restrict adding another underlayment. Do not stack layers unless the manufacturer allows it.

Next step: Do not begin until the subfloor meets the product’s flatness and moisture requirements.

Cabinet Clearances and Precision Laminate Installation

Cabinet clearance is the open space between a fixed object and the edge of the floating floor. This gap lets the floor move as conditions change. Measure and plan it before cutting, then conceal it with suitable trim rather than filling it or fastening through the laminate.

Plan the cabinet edge before the first row

Read the flooring instructions for the required gap at cabinet bases, walls, pipes, and other fixed objects. Three-eighths of an inch is common, not a universal rule. Use the product’s stated measurement when it differs.

Measure the cabinet run and mark where the finished plank edge will stop. Account for any trim that will cover the gap, and check that it will attach to the cabinet or wall without pressing down on the flooring. A removable toe-kick panel may help with access, but it does not mean the laminate should run beneath the fixed cabinet box.

Lay out the room so the cabinet-side cuts are planned rather than improvised. Dry-fit a few rows when useful, and check that the final row and cabinet cuts will leave enough room for the required clearance. Follow the locking-system instructions; forcing a plank into place can damage the joint.

Cut and install up to fixed cabinets

Install the floating floor in the sequence set by its manufacturer. At the cabinet edge, measure each plank or row, mark the cut, and allow for the required gap. Use the blade and cutting method suited to the product, and support the plank to help prevent chipping. Test a cut piece in place before repeating the measurement across the run.

Do not wedge planks tightly under cabinet bases or force locking joints together. Do not fasten cabinets or islands through the laminate. Both can restrict movement. Where a cabinet has a toe-kick recess, the finished floor should still stop short of the fixed cabinet structure; use trim to cover the gap.

In my work, cabinet edges are where careful measuring pays off most. A small error repeated across a long run can leave a gap too wide for the planned trim or a plank tight against the cabinet. I check the first cut and the cover profile before making a batch of pieces.

Common cabinet-edge scenarios

These examples show how the same rule applies to different kitchen layouts. In each case, the cabinet remains supported by the subfloor, while the floating floor ends nearby with its required movement space. The visible result depends on the trim and layout, not on trapping the planks beneath the cabinets.

• Fixed base cabinets: Stop the laminate short of the cabinet base. Cover the clearance with toe-kick trim attached to the cabinet, not the floor.
• Fixed island: Treat it like a cabinet. Keep the island load on the subfloor, and maintain the specified gap around its base.
• Removable toe-kick panel: Remove it for access if appropriate, but do not use the panel to clamp the floor edge.
• Cabinet run with exposed end: Use an approved edge or transition profile that covers the gap while allowing movement.

Next step: Before continuing, verify that each cut leaves the correct clearance and that no plank is trapped under a fixed load.

Transitions, Safety, and Subfloor Deflection Compliance

A transition is the trim or profile that covers a flooring edge or joins two floor surfaces. It must suit the height and location of the edge while allowing the laminate to move. Safe, lasting details also depend on a stable subfloor and careful appliance handling.

Cover gaps without pinning the floor

Use toe-kick trim or an approved molding to hide the cabinet-side clearance. Fasten the trim to the cabinet or wall, never through the floating floor. Do not fill the gap with rigid caulk or adhesive; these can block movement. Keep fasteners out of the laminate.

At doorways and changes in flooring, use the transition profile specified for the product and location. Follow its installation instructions so the profile does not clamp the laminate. For pipes, leave the required clearance around the penetration and use a cover that conceals the opening without locking the floor in place.

Undercutting door casing may help a plank slide neatly beneath the casing where appropriate. It does not change the need to maintain clearance from fixed objects. Check for wires or pipes before cutting into trim or the subfloor, and use suitable eye and hearing protection when cutting.

Check for deflection and protect appliances

Deflection is movement or bending in the floor structure under load. Laminate does not fix structural flex. If the subfloor feels springy, moves at joints, or has damaged framing, stop and address the cause before installation. The required repair depends on the structure and product instructions.

When reinstalling appliances, move them carefully so their feet or wheels do not crush plank edges or scrape the surface. Confirm that they sit level and that the flooring can still move at its perimeter. Pay particular attention to dishwashers: check access and opening clearance before the floor is installed, not after the appliance is pushed back.

Next step: Inspect every transition, pipe opening, and appliance edge to confirm the floor is covered but not trapped.

Maintenance, Spill Control, and Long-Term Protection

Laminate care helps protect the surface and the cabinet-side edge from spills and damage. Follow the flooring maker’s cleaning directions, since approved products and moisture limits vary. Keep the expansion gap clear beneath its trim, and investigate changes such as raised joints or a loose transition rather than covering them with caulk.

Clean spills promptly using the method listed for the product. Avoid leaving standing water near cabinet edges, seams, or appliance openings. Do not pour water onto the floor for cleaning unless the manufacturer specifically permits that method.

If a joint begins to peak or separate, first look for a point where the floor may be pinned: a tight cabinet edge, fastener, rigid filler, transition, or appliance. Also consider moisture and subfloor movement. Do not force the joint flat without finding the cause; that can hide a continuing problem.

Next step: Keep trim secure to the cabinet or wall, but make sure it does not bear down on the floating floor.

Frequently Asked Questions

Should laminate go under fixed kitchen cabinets?

No. A floating laminate floor should stop before fixed cabinets and islands so their weight does not restrict floor movement. Keep the cabinets supported by the subfloor, leave the product-required clearance, and cover that gap with trim attached to the cabinet or wall.

What gap should I leave at the cabinet base?

Use the clearance required by the flooring manufacturer. A gap of 3/8 inch is common, but it is not universal. Apply the same product-specific rule at other fixed objects, including walls, pipes, and islands, unless the instructions give different details.

Can I install cabinets on top of laminate?

Do not place or fasten fixed cabinets on a floating laminate floor. The cabinet load can pin the floor and limit its movement. Install and support the cabinets on the subfloor, then run the laminate up to them with the required clearance.

Can I hide the gap with caulk?

Do not fill the expansion gap with rigid caulk or adhesive. A rigid filler can block movement. Use toe-kick trim or an approved molding that covers the opening and attaches to the cabinet or wall without fastening through or pressing tightly on the laminate.

Do I need a moisture barrier over concrete?

Use the moisture-control layer required by the laminate instructions and the concrete test results. Some products specify a vapor retarder, often 6-mil polyethylene, while others have different systems. Follow the stated seam treatment and do not add layers the instructions prohibit.

How flat does the subfloor need to be?

Follow the flooring maker’s flatness limit. A common requirement is no more than 3/16 inch of variation over 10 feet, but product specifications can differ. Check with a straightedge, mark uneven areas, and correct them before installing the floor.

How do I finish laminate around an island?

Treat a fixed island like a cabinet: keep it supported by the subfloor, stop the laminate short, and maintain the required movement gap around its base. Use suitable trim to conceal the gap without fastening through or clamping the floating floor.

What if laminate is already trapped beneath cabinets?

Do not assume that covering the edge will solve the problem. A trapped floating floor may buckle, peak, or separate as it moves. Identify where it is pinned and consult the flooring instructions or a qualified installer about correcting the installation without causing further damage.

(This article was written by one of our staff writers, David Chen. Visit our Meet the Team page.)