Correct Installation Method: Method 1 - You just used to kick the door stopper into the door gap with your foot and it will jam. Of course, you can close the door in the opposite direction to make sure it's fully caught by the wedge. Method 2 - You only need to push the door stopper into the gap between the door and the ground by hand, and close the door in the opposite direction to increase the wedging degree.
Important Warning: (1) Only suitable for door gap of 0.47-1.1 inches (1.2-2.8cm). Please measure the distance from the bottom of the door to the floor before purchasing. If the door gap is smaller or larger than this range, the doorstopper will not achieve the effect of holding the door firmly. (2)This wedge door stopper can not be stacked to use as the metal door stoppers themselves are relatively heavy, and the front-end tilt angle is as high as 10°, which cannot be used in a stable stack.
The Easiest and Efficient Doorstopers: Just put it under the door, the wedge door stopper will keep your door open or half-open firmly as your need. No drill/tool, no installation, no adhesive needed. As it's durable, easy to use, works well, and can be placed at any location on the floor (not fixed on the wall), the wedge doorstoppers are widely used in the home office room garage dorm classroom hospital to keep the doors open and not slamming shut suddenly which may cause dangers and damage.
Durable and Secure: The HELEMAN door stopper features a non-slip rubber bottom for a firm grip on various surfaces like concrete, stone, cement, carpet, tile, hardwood, and linoleum. The anti-skid design ensures doors stay in place securely, protecting against accidents and avoiding finger injuries.
Heavy Duty Doorstops for Heavy Doors: HELEMAN wedge door stops are made from solid stainless steel on the around, so the structure is much more staunch mordy than the ordinary rubber doorstoppers. The heavy duty metal door stops are suitable for garage doors, warehouse doors, courtyard gates, security doors, conference room doors, and other heavy-duty doors. It can be used for a long time without breakage, and won’t leave any marks or scratches on your floor/carpet and door.
Note: (1) Only suitable for the gap between the door and the ground between 0.47 inches-1.1 inches (12mm-28mm); (2) Can not resist human violence; (3) Not Protective door stops, can not be used to prevent people from going inside your room; (4) The door resistance cannot be placed simply, it needs to be wedged hard.