Kitchen & bathroom cabinet defects & safety hazards.
This article describes common defects found in kitchen or bathroom cabinets - problems that can be found by visual inspection.
We describe the hazard of falling wall mounted kitchen or bath cabinets, tipping kitchen islands, and we discuss less serious K&B hazards such as loose, falling off cabinet doors and defective cabinet hinges.
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A second class of kitchen cabinet hazards are un-secured islands and island cabinets that tip over onto a child playing by swinging from the counter edge.
As explained in Chapter 6 of Best Practices Guide to Residential Construction:Assessing a cabinet’s quality is not always easy due to the large number of components involved and the fact that much of the material and joinery is concealed.
One good indication of overall durability is certification by the Kitchen Cabinet Manufacturers Association, which has a rigorous testing and certification program that measures such things as structural integrity, shelf strength, hardware durability, and quality of finishes.
But here, adapted from Carson Dunlop Associates' Home Reference Book, we focus on defects in cabinet installation or condition, problems that can be found by visual inspection.
Watch out: Beware of loose, falling wall-mounted cabinets. Inspect carefully before you touch or pull on a wall-mounted cabinet. At a home inspection D.F. gave a gentle tug to the under-lip of an array of wall mounted cabinets. Don't try this.
All six of the wall cabinets in a row crashed to the floor. Luckily no one was close by or someone could have been badly hurt.
Joints in cabinets in poor condition may be separating and shelves may be poorly supported, risking falling contents, sometimes including heavy or fragile items.
Clues for building inspectors that can suggest a loose falling-off wall cabinet include:
Quoting from Carson Dunlop Associates' The Home Reference Book:
Cabinets may be installed anywhere but are most common in kitchens and bathrooms.
Cabinets may be built of wood, although most today are veneer-covered fiberboard. Shelves and doors are commonly solid wood, veneered fiberboard or glass.
The quality of cabinets is a function of the materials, assembly techniques and hardware used on doors and drawers.
A small moldy patch on a particleboard cabinet base (below-left, less than 1 sq.ft.) is unlikely to be a significant health hazard in a building, though it could bother someone with sensitive mold allergies or who is asthmatic. There may be more hidden mold below the cabinet base. At below right we not in the same cabinet that the mice don't seem disturbed by water, leaks, and mold - though their droppings make the cabinet unsanitary for food storage.
Below we illustrate another minor mold contamination case, due to water that leaked from a nearby shower to beneath the vanity base. The vanity was replaced and the new unit first coated with a clear sealant on its hidden surfaces, then caulked at the floor and walls to keep water out of its hidden spaces.<
But mold growth behind wall or base cabinets can be quite extensive, and totally hidden if a home has been flooded for any reason, as we illustrate with the photos below, showing mold on the previously-hidden sides of kitchen cabinets. More examples of mold growing on just about anything in buildings can be seen at MOLD GROWTH on SURFACES, PHOTOS.
It would have been a mistake to leave these cabinets mounted to the wall of the home where they were found, even though mold was not visible on the room side of exposed wall surfaces. And further investigation of the wall cavity behind where these cabinets had been mounted confirmed that the cavity side of the wall needed to be cleaned as well.
Leaks into kitchen or bath cabinets can occur in surprising places, as water can travel inside a building wall or along a floor where it passes into hidden spaces such as the interstitial space between a cabinet back and the building wall, or the cabinet base and the floor. A result can be hidden mold contamination.
Expect to find mold on hidden wall or floor cabinets on hidden surfaces if a building has been flooded or subject to extensive leakage or wetting due to extinguishment of a fire.
The most common location of water damage to cabinets is of course at sinks or at the sides and bottoms of base cabinets adjacent to a leaky dishwasher (our two photographs above).
At left we illustrate a ceramic tile countertop. The uneven surface and grout joints make this countertop difficult to cle3an.
Quoting again from The Home Reference Book:
Countertops can be made of many materials.
Laminated plastic surfaces applied to fiberboard are common because they are inexpensive, water resistant, available in a huge selection of colors and patterns, and are easy to clean.
They are difficult to repair if cut by knives, chipped or burned. These are referred to as laminate countertops.
Other common countertop materials include granite, marble, stainless steel, ceramic tile, concrete, hardwood (butcher block), soapstone and a number of manufactured products including engineered stone and other solid surface materials.
The ideal countertop won’t burn, crack, chip or break, is easy to clean, non-porous, and is resistant to rot, water damage, stains and knives.
Cabinet problems may include improper operation of doors and drawers.
Sticky drawers and doors that will not stay closed are common. Hardware may be missing, worn or inoperative.
Cabinets may be damaged or deteriorated due to wear and tear.
Cabinets, doors and drawers may be mechanically damaged or worn. Knobs may be loose, missing or broken.
Many of these are cosmetic or nuisance issues.
The decision to replace cabinets and countertops is subjective.
Our next-to-last cabinet damage photo (we're all getting sick of this issue but there are still hinges to discuss) illustrates the problem of hidden leaks, cabinet base damage, even rot, that we don't discover because of all the clutter stored in the cabinet base.
Our flashlight points to a puddle of water, but also notice that the whole cabinet base bottom shelf is falling apart.
You often won't see this in a home until you start pulling out all that stuff crammed into the cabinet.
Countertops may suffer cosmetic damage, and fiberboard countertops often rot, especially damage around sinks and faucets.
Burns and mechanical damage are common on laminate countertops.
Cracked tiles and missing grout are common on ceramic tile countertops.
Common K&B cabinet hinge problems show up as
The photo below shows what happens when hinges or their mounting point are falling apart or are just loose.
Loose, askew, falling cabinet doors are almost always due to hinge problems (discussed below), but keep in mind that particleboard cabinet carcases in which the hinges have become loose will require more effort (and glue) to repair.
At left we illustrate problematic cabinet doors. On a cabinet base such as this one, watch out for drawers that are falling apart as well.
Association of Home Appliance Manufacturers(AHAM) www.aham.org
National Kitchen and Bath Association (NKBA) www.nkba.org
Ceramic Tile Institute of America www.ctioa.org
Home Ventilation Institute (HVI) www.hvi.org
Marble Institute of America www.marble-institute.com Porcelain Enamel Institute (PEI) www.porcelainenamel.com
Tile Council of America (TCA) www.tileusa.com
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(Sept 23, 2014) Anonymous said:
Granite benchtop cracking at cutout for sink , cabinet front rail is 65x16mm thick white melamine and appears to be bowed 2.5mm.
Should i make the front rail bigger and use timber to prevent this .
(Feb 7, 2015) Karla said:
The lower cabinets/countertop in my kitchen is falling away from the wall. I'm not sure how I should go about fixing this. I've been living here for about 8 years now, and I noticed it was just a little loose a couple years ago but didn't think anything of it. But now the end of the counter next to the stove has a gap of about 1.5-2" between it and the wall. It's a rental property, so I can't really replace the whole structure like it probably should be. Is there a way I could reattach it to the wall as is? Thanks.
What you describe sounds dangerous: a falling cabinet could certainly injure someone. I would remove everything from the cabinets if you can safely do so, then ask the landlord to properly secure them to the wall. Often that attachment can be done without removing the cabinets by finding the wall studs and using appropriate anchors screwed through the existing cabinet back.
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