Wednesday, May 22, 2013

Drywall Anchor Installation

Toggle bolt drywall anchors can hold a heavy weight.


Drywall doesn't hold nails or screws well. The gypsum crumbles on the fine threads of screws and doesn't provide much holding power for nails. You can drive nails or screws into studs, but often there is no stud exactly where you want to drive the screw. The solution is a drywall anchor. Most anchors require a pilot hole of some kind for installation, but newer types screw right into the drywall with deeply grooved threads.


Instructions


1. Mark the location for the drywall anchor and check it with a stud finder. If there is a stud at that location, you won't need a drywall anchor -- and some types can't be installed in a stud. Press the stud finder against the wall about 12 inches to one side of the mark. Depress the detect button and slide it towards the mark. The stud finder light will light when it finds a stud.


2. Push the nail partway into the drywall at the mark and remove it. Place the tip of a threaded drywall anchor in the small hole made by the nail. Screw the drywall anchor into the wall until the head is flush with the surface of the drywall. Don't use a drill to drive the anchor or you may damage the drywall.


3. Drill a pilot hole slightly smaller than the plug type drywall anchor. Press the anchor into the pilot hole. If it takes a lot of force to push it in, the hole is too small. Install a screw in the anchor with a screwdriver.


4. Drill a pilot hole for the expansion anchor, sometimes called a molly. The hole should be just big enough for a tight fit. Insert the anchor into the hole and begin tightening the bolt. As the bolt is turned, the end of anchor opens and draws tight against the drywall. When the bolt is tight, remove it and use it to fasten your picture hanger or other accessory to the drywall anchor. Some expansion anchors are shaped like nails and don't need pilot holes.


5. Drill a pilot hole that will allow the wings of the toggle bolt to be pushed through when they are held against the bolt. Remove the bolt from the toggle bolt wings and place it though the hole of the item being hung. Screw the wings back on. Insert the toggle bolt into the hole fully so the wings open. Tighten the bolt to pull the wings against the drywall. Toggle bolts are the strongest of drywall anchors and the best to hang moderately heavy items from ceilings.



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