To raise a sagging door, you would typically loosen the bottom hinge and tighten the top hinge. This will cause the door to shift upwards. Conversely, to lower a door that is riding too high, you would loosen the top hinge and tighten the bottom one.
Hold a wood block (1-foot section of 2x4) against the dents and hit the block with the hammer. You'll be able to straighten it out a little. It'll never be perfect unless you replace that section of the door.
Yes, a door ding can be repaired with Paintless Dent Repair depending on the severity, size, depth and if the metal has creased or twisted.
If you find the door sticking on the bottom edge, then the most likely culprit is the bottom door jamb. This is easily seen to. Simply remove the jamb and screw it back on as tight as you can. It's that straightforward.
Typically, this issue arises from: Loose Hinges: Over time, the screws in the door hinges can loosen due to the constant weight and movement of the door. Worn Hinges: Metal fatigue or wear can cause the hinge pins and plates to become less effective.
Many hinges, especially on uPVC doors, have an Allen key screw at the top for raising or lowering the door. Some hinges have a screw on the side for moving the door in or out from the frame. If the door needs significant movement but lacks built-in adjusters, you can “pack out” the hinge with thin shims.
Insert Shims: Place shims behind the hinges to adjust the door's position. Check Alignment: Use a spirit level to ensure the door is straight. Secure Hinges: Tighten the screws with the shims in place.
Don't seal warped doors, this will not allow the imbalance to correct itself. In most cases a warped door will straighten out after it has acclimated to its surroundings. We recommend the door be allowed to hang through at least a heating and cooling season to allow it to straighten out.
Warping is unique to solid wooden doors and stems from a rise in humidity, heat or damp levels and moisture entering doors. Most people notice warp during season changes, when there is rapid heating or cooling of your home with heaters or air conditioners are switched on.
The best way to ensure your doors resist warping is with a high quality finish, namely a door oil or a varnish. These are a simple yet highly effective way to protect your doors. An oil will feed and nourish the wood from inside the wood grain, enabling resistance against moisture.
Pull the hinge away from the door frame and place the 1mm shim of cardboard or timber to fit behind the hinge. Screw the hinge back on and test the door's movement. The bottom edge of the door should have lifted slightly. But if the door still scrapes on the floor, try adding a second shim to raise it slightly higher.
Will WD40 help a swollen door? WD-40 can help reduce friction and might loosen up a swollen door temporarily. But it's not a permanent fix since it doesn't tackle the root issue, like moisture or humidity. For a long-term solution, try drying out the door or sanding down the swollen areas.
Purchase a dent removal kit from an auto parts store or online. Follow the instructions to use glue, pullers, and other tools to remove the dent. Careful use can make these kits effective for minor dings.
We can see that these estimates vary a lot, but it is safe to say that $100 is a minimum figure for a small dent. If the dent isn't larger than an inch, $500 would probably be a good maximum figure. For larger dents, $500-$2500 would be the norm.
Sand with 150 or so sandpaper. Remove dust. Fill in depression with wood filler using a flexible putty knife (sold right next to wood filler). Let dry/harden.