Once the molly is secure, unscrew the bolt and then replace it with the item in place. Take care not to overtighten you’ll know this is happening if the anchor flange starts to depress the surface of the plaster or drywall. Turn the screw to “mushroom” the slotted sleeve against the back wall surface. To install: Seat the round flange flush with the wall surface by tapping the screwhead. Nonpointed versions require an installation hole, and work well in old plaster-and-lath walls. Pointed mollys can be tapped into place with a hammer. These are not as easy to use as other drywall anchors, but they’re still good to have on hand for medium to heavy loads. L-shaped plastic retainers for installing wall-mounted mirrors. For heavier loads, use a flat-mounted hook and an anchor. Large versions installed with an angled nail can support up to 20 lbs. It’s good to have a selection of these on hand in different sizes. Depending on size, sleeves will take #4, #6 or #8 screws. Fasten by driving a screw into the sleeve. You should need to tap it home with a hammer until the anchor flange seats against the surface. To install: Drill a hole that allows a snug fit for the sleeve. Anchors designed to spread their “wings” are less susceptible to withdrawal. See page 60 to find out which fastener to use for the most common jobs around the house.Īvailable in several varieties, these work well for light and medium loads Anchors like the blue version don’t expand enough to grab well in drywall they work better in plaster and best in masonry. ![]() Put together your own collection, and you won’t need to run to the store every time a hanging job comes up. But, fortunately, there is an anchor for just about any hanging job you can think of. ![]() These surfaces separate space, not support weight. Plaster walls and hollow-core doors are no picnic to work on either. It’s tricky to fasten something to drywall when it has to go between studs. Its odd that your contractor wouldn't be willing to do this for you.There’s no doubt about it. You can also hang a small magnet from a string. ![]() There are small magnetic stud finders with a pivoting magnet that dips when over a nail. Zircon is a good brand.Īnother way to find the nails is with a small magnet. It may be possible to search for the nails that attach the wood lath to the studs either with a detector that has a metal mode or one that is designed to detect only metal. Be aware that there might be horizontal or diagonal bracing in the wall. ![]() If it is wood lath a stud finder will sometimes work but it may be fooled by the inconsistent density of the plaster and the additional density of the wood lath but its worth a try. If it is metal lath you might be able to use the trial and error method but if the material is sound you can use moly bolts that are inserted in a drilled hole and expand when you tighten them. Your contractor should know or you can tell by removing an electrical box cover plate. To use a detector you must determine if the lath is wood or metal. An electrical receptacle might give you the location of one stud to sue as a reference point. This might only get you to within a few inches of the stud. The simplest way is to knock on the wall until it doesn't sound hollow.
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