Kitchen installation is the final and one of the most important stages of a renovation. Even a perfectly designed kitchen can lose functionality if installation is improper. Installation errors are common, especially when the work is performed by amateurs or when the client is trying to cut corners on important stages. Below is an overview of the most common problems and tips on how to prevent them.
1. Uneven walls and floors that were “forgotten” about in advance
Many people think that installers will “fit everything in place,” but this is not true.
Uneven walls, differences in floors and slopes lead to the following:
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the facades are skewed;
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the table top is "wandering";
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the cabinets do not fit tightly together;
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cracks appear.
How to avoid:
Before installation, be sure to check the level and align the furniture. This is a job for the repair crew, not the furniture makers, and it must be completed. to kitchen measurements.
2. Incorrect preparation of communications
Errors with water supply, sewerage, sockets and ventilation are the most common.
What happens due to incorrect communication points:
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the sink is located far from the pipe;
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the dishwasher doesn't fit;
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the refrigerator is blocking the outlet;
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the hood does not match the air duct;
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wires are kinked inside cabinets.
How to avoid:
Follow the kitchen layout strictly according to the technical drawings. Avoid any unauthorized "shifts" of 5-10 cm—this could disrupt the installation.
3. No gaps – the facades rub against each other
A tight fit of facades seems like a sign of quality, but in practice this leads to:
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scratches;
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premature wear of the coating;
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incorrect operation of the hinges.
How to avoid:
Leave technological gaps: usually 2–4 mm between facades, 4 mm from the wall, 5 mm between facades and equipment.
4. Incorrect installation of the countertop
Errors:
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lack of sealing of joints;
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unsealed ends of chipboard;
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Incorrect size of cutouts for equipment;
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uneven landing.
Consequences: swelling, moisture penetration, cracks and distortions.
How to avoid:
Work only with professional installers and check the sealing of all areas - especially the sink.
5. Gaps left for equipment of incorrect sizes
Often the equipment is ordered later, and it turns out that:
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hob not included;
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the oven is 1–2 mm wider;
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The refrigerator does not breathe because of the small distance to the wall.
How to avoid:
Buying equipment to kitchen manufacturing or strictly adhere to the dimensions specified in the technical specifications.
6. Insufficient fixation of wall cabinets
If the fastening is done incorrectly, the following may occur:
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subsidence of cabinets;
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deformation of facades;
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the separation of the entire structure from the wall is a dangerous situation.
How to avoid:
Installers must use high-quality fittings and attach cabinets to load-bearing anchors, not “drywall dowels” (unless a built-in profile is provided).
7. Lack of ventilation gaps
Refrigerators, ovens, microwaves, and dishwashers require air circulation. If this isn't ensured, they overheat and malfunction.
How to avoid:
Carry out installation in accordance with the manufacturer's recommendations and leave ventilation ducts in the base and in the niches.
8. Saving on fittings and fasteners
Cheap fittings lead to:
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sagging of doors;
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creaks;
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failure of boxes;
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difficulties of adjustment.
How to avoid:
Use trusted manufacturers (Blum, Hettich, Hafele).
9. Incorrect height of wall cabinets
A common mistake is to mount cabinets too high or too low.
How to avoid:
The standard installation height is 50–60 cm from the countertop. However, it's important to consider the height of the homeowners and the type of hood.
10. Poor sealing of the sink and household appliances
If the installer has not processed the joints properly, then:
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water is leaking under the sink;
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chipboard swells;
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fungus appears.
How to avoid:
Use high-quality silicone and check joints immediately after installation.
Result
Mistakes in kitchen installation can be costly—most often, you have to replace cabinets, countertops, or even remodel the entire kitchen. To ensure a perfect installation:
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choose a professional company;
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clarify the details of the project in advance;
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prepare the premises properly;
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Check the installation step by step.
Proper installation is the key to your kitchen's success, ensuring its durability and comfort for years to come.
