If there was a moderately sized earthquake and your kitchen cabinet doors swung open, what would happen next? Well, anything in those cabinets could (and frequently does) fall out: breakable bottles of various things, dishes, glasses, and even heavy appliances like blenders. Look in your cabinets and imagine the mess, loss, and potentially even injuries suffered by small children and pets who might get hit by falling objects. Even if nobody is hurt, if none of the humans are home but a dog or cat is there unattended, there�s now a bunch of sharp or potentially toxic things all over the floor for the pet to lick and eat before you get home. Clearly, it�s better just to prevent the doors from opening in the first place with quake-resistant latches.
The problem is that many people are lulled into optimism by a variety of pinch-style latches, magnetic latches, etc., that can make the cabinet door tough to open without some effort. Some cabinet doors are harder to open than others; but you know that if you pull hard enough on the outside, they will open. Guess what: that means that if the items inside the cabinets are pushing hard enough on them, they will open. In some cases, the vibration itself can make the doors swing open and then everything can fall out.
Some people install the child safety latches that allow the door to open an inch and you have to slide your fingers behind it to move a lever before the door can be fully opened, but because this can be really inconvenient, I have installed push latches on my cabinet doors. That is, the door can�t be opened by pulling on it; you have to push first and the latch disengages, and then when you close it, you push again and it re-engages. While it�s theoretically possible that vibration in just the right direction might make the door push itself and open, I think it�s unlikely.
Some people install the child safety latches that allow the door to open an inch and you have to slide your fingers behind it to move a lever before the door can be fully opened, but because this can be really inconvenient, I have installed push latches on my cabinet doors. That is, the door can�t be opened by pulling on it; you have to push first and the latch disengages, and then when you close it, you push again and it re-engages. While it�s theoretically possible that vibration in just the right direction might make the door push itself and open, I think it�s unlikely.
I feel that the latches are pretty important, but they are a bit of a pain to install and they take some trial and error. That�s where this blog comes in; I try to save people from having to go through the same learning process that I went through, so here I�ll be giving you some hints on installation; things I�ve learned in the several times that I have installed these latches.
Installation
There are a few different kinds of push latches (touch latches) out there, some of which are not very good. All of my personal experience over many years has been with one type (shown here) and I�ll focus on that one for this article. The two videos embedded after this paragraph show how they work. I occasionally see them in hardware stores but not very often, and these days, I just go straight to the Internet. The two sites at which I have found them are Sunset Enterprises* and Woodworker�s Hardware. The prices vary slightly; and at the time of this writing, the latter site actually has a better selection of colors and also a low-profile version that I have not tried yet. [*Update comment on 4/28/14: this Sunset Enterprises site no longer works and a current site for the company makes it difficult to look up products, so I've deactivated the link.] These can be a bit tricky to install, because unlike normal latches that can keep the door closed to the maximum extent, the push latches only work if the door can be pushed in slightly farther than the "closed" position to disengage the latch. In fact, if you accidentally install them without enough extra pushing space, then you close the door and never open it again! (That happened to me once, on a single cabinet door, so there was no way to access the latch; I had to pry the darned thing open and it was really hard to do! That reassured me that the doors will not easily open if objects inside the cabinet are trying to push their way out.) For this reason, if you have double and single cabinet doors like most kitchens do, I recommend that you do the double doors first just in case you have beginner�s unluck.
These latches have a claw that is attached to the main cabinet on a shelf, and a ball-on-a-peg that sticks out from the inside of the door and gets caught by the claw. Some of the latches come with instructions about how much distance to have the claw part protrude from the shelf, but I have found that those instructions sometimes give you too much space and sometimes not enough. Too much pushing space is not good either, because the less closed the door is when latched, the less flat it will be, and with double doors, you can get a slight angling or tenting effect. You�ll have a little of this anyway but you might as well minimize it (there's a photo of this several paragraphs below). By the way, these come in dark brown, white, and black, but don�t be afraid to mix and match if it suits your cabinets better, as you can see in this photo from my kitchen (above right). (Alas, they don�t come in light brown; they should!)
The best way to become familiar with how this should look is by starting with one door of a double door, with the other one open so you can see inside. Have a pencil, some tool with a sharp point or nail to make starter holes, double-stick tape, an appropriate screwdriver, and an electric drill (optional but useful). Engage the peg in the claw to make one unit, put the whole thing into roughly the desired position, and hold it down to the shelf with one hand tightly so that it can�t slide (as shown in the photo at the left). With the other hand, close the door and experiment a few times to see where the latch needs to be to make it disengage and re-engage with the door is pushed a few times. Find the spot at which there�s the minimum space necessary to allow the latch to disengage. Don't let the claw part move. You�ll see that the main body of the claw part is probably sticking out slightly over the shelf, but as you can see in the group of three photos (below) from different cabinets in my kitchen, sometimes the optimal position is even with the edge, and sometimes it�s recessed a bit. It depends on how that particular cabinet is put together and how far away the edge of the shelf is from the inside of the cabinet door. The instructions assume that all cabinets are built the same; don�t make this assumption!
Now that you have this basic feel, leaving the claw part firmly held in place with one hand, take a pencil and mark where the holes are. Some of the holes are actually wide enough to give fudging room so I try to outline the entire hole with the pencil if I can. Remove the claw and use the sharp pointed tool or nail to gouge a starter hole right in the middle of the pencil mark. Then, if you can fit your electric drill into the space (not always possible), make a small hole in the wood appropriate in size for the screw (that is, slightly smaller than the diameter of the main part of the screw not including its threads, so that it will still take some effort to screw it in). Please don�t drill all the way to the other side... Then attach the claw part to the shelf with the included screws (the screws for the claw are different from the screws for the peg; don�t mix them up!)
At this point, I�m always tempted to use my power screwdriver, but I rarely can because I find it usually does not fit due to the hole being so close to the main body of the latch. Just be ready to use a manual screwdriver and some effort.
You are probably wondering what to do with the single doors. You�re right; unless you knock out a wall of the cabinet or enlist the services of a small elf, you can�t really test the latch in the way I just described for the double doors. In this case, you can put the latch (in one unit as before) loosely on the shelf where you will mount it, but sticking out too far; and then slowly and gently close the door all the way and open it again. The complete latch should get pushed back by the door to about the right place, but too far because there's no extra room to push. Move it ever so slightly forward, about 3 mm, to give yourself some push room, hold it down firmly without moving it but make sure that it is straight, trace the holes, and proceed as above.
Either way, now that your claw is in place, put some double-stick tape on the back of the peg and close the door. Push again to open the door and the peg should be stuck to the door in the correct position. Take your sharp point and press through the hole, through the tape, to make a puncture mark that will still be there when you remove the peg and tape. Then you can drill it (DEFINITELY don�t drill through to the other side) and attach the peg with its screws.
Some of these latches are now being shipped with a little bit of quake putty that you can use to stick the peg to the door while positioning. This is meant to be left in place during the installation. I can�t imagine why anyone would want to do that; you can see the putty when you open the door and it holds the peg farther out from the door, leading to larger gaps and more tenting effect. The double-stick tape works just fine; keep the quake putty for use elsewhere as...quake putty! (One of these days, I will write an article about the hundreds of other things you can do with quake putty.) A little tenting is unavoidable, as you can see in the upper photo at the right, taken from below the cabinet looking upward, but from the front as shown in the lower photo, it�s not that bad.
Special circumstances
That was a description of the ideal case, but I keep running into non-ideal situations that I need to solve, so here are some examples of solutions:
In one cabinet, there was no room for the latches on the bottom shelf due to a large spice rack, so I needed to put them on a middle shelf, which was too shallow to reach the inside of the closed door. That meant that the latches had to stick out into thin air to reach the door. Here, the quake putty really came in handy; as you can see from the photo taken from below that shelf, I used the two rear screws and then wadded up as much quake putty as could fit into the fortuitously placed crevices in the underside of the latch. Between the two rear screws and the quake putty, those latches are actually quite firmly stuck to the shelf (see photo at right, taken from below the shelf). This would have been really difficult to do with a single door; being able to hold the latch in place while positioning was crucial.
If you attach them to a middle shelf that isn�t attached to the cabinet, make sure that it can�t easily slide forward because then you haven�t really latched the door to anything solid.
One thing they don�t warn you is that if the door is narrow enough, and closes with a tight arc, the peg will move into the claw with a strong curve and the mechanism might not work. One solution is to mount the claw sideways on the wall of the cabinet rather than on the shelf; as shown in these photos from my desk cabinet door.
On the other hand, look at this funky kitchen cabinet that houses the duct for the over-stove fan vent. There�s no place to put the latch at the edge of the cabinet, and putting it in the middle by that blender didn�t work; and doing a side mount just wasn�t practical. The blender is heavy; I didn�t want that falling out. My solution was to forgo the push-latch altogether and install a catch on the front of the doors; effective, but less convenient and certainly not pretty. A sliding bolt would have worked as well. For pairs of doors that are hardly ever opened, you could even put a heavy rubber band between the handles, although that doesn�t look very refined.
My last example is from an apartment in which we were renting, which had two problems; the difficulty in putting holes in the woodwork of a rental, and the fact that the shelf was slightly lower than the edge of the cabinet (as in the photo). I had installed these things in cabinets in a previous apartment without much thought because the cabinets were archaic and full of holes already, but this was a brand new apartment, never used. My solution, as shown in the photo, was to use plenty of quake putty (love that stuff) under a piece of plywood that brought up the level of the shelf to match the edge. Then, to avoid holes, I used 3M Command strips (the adhesive strips that release when you pull the tab) to attach the latch to the plywood. For the pegs, well, I admit that I put some holes in the inside of the door, but in my defense, there were actually starter holes in the right place already as if they had been made to accommodate a latch of some sort...and I filled those tiny holes with wood putty before moving out.
The challenge faced by renters in making effective quake preparations in their apartments is a whole topic itself, which I will tackle in a future article.
By the way, I suggest that you do NOT use the �shocklock,� which is supposed to have a piece fall into place when the shaking starts to prevent the door from opening. I got one of these things and tried my hardest to make it work by shaking violently; the piece fell occasionally and only after many seconds of shaking, and only if the shaking was in the right direction. I think it has been discontinued. There are better versions of this for industrial lab cabinets that look pretty good from what I can tell (I�ll explore them in the future), but they are too big to be practical in a home kitchen cabinet.
Here�s one more issue to consider, do you remove the handles from the cabinet doors? Handles are meant to be pulled, and YOU know that you should push the door first, but any helpful guest will automatically pull the doors open, and either they are in for a shock, or they will keep trying until they break something. In the old apartment with archaic cabinets, I removed the handles (I kept them for when I moved out) and temporarily filled the holes with a waxy wood filler that matched the color of the cabinets. That can work, somewhat imperfectly, with dark stained wood; although I think it would be pretty obvious with light wood. In our current kitchen, the handles are still on the doors and we just warn guests when they go into the kitchen. It�s a great way to trick them into an impromptu discussion about earthquake preparedness!
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