Efficiently Removing Joist Hanger Nails: A Step-By-Step Guide

how to remove joist hanger nails

Removing nails from joist hangers can be a challenging task, often requiring a combination of tools and techniques. While some people suggest using a hammer and pry bar, this can be time-consuming and inefficient. A popular method is to use a cats paw nail puller, which can lift the nail head and provide a grip for removal. This tool can be especially effective when combined with a flat bar or pry bar to create leverage. In some cases, an angle grinder may be used to cut through the nails, but this requires sufficient space to access the nail heads. For tightly secured nails, a chisel or saw blade may be necessary to access the nail from inside the hanger.

Characteristics Values
Tools Hammer, pry bar, angle grinder, cat's paw nail puller, flat bar, saw blade, chisel, single slide head puller, crescent nail puller
Techniques Use a flat bar to get under the hanger and lift the nails, then pry them out; use one end of the cat's paw to get under the nail and pop the head up, then the other end to pull it out; cut the joist to get access to the nails

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Using a cat's paw nail puller

Firstly, use a flat bar to lift the nail head above the bracket face. Then, use the cat's paw to get under the nail head and pop it up. Finally, use the other end of the cat's paw to pull the nail out.

The double-ended cat's paw is the best type for this job. One end has a claw at a right angle, and the other has a claw that is just offset, which is ideal for getting nails out of joist hangers.

The cat's paw nail puller is a specific tool that is well-suited to removing nails from joist hangers. Its design allows it to get under the nail head and pop it up, so it can then be pulled out. The double-ended variety is the most useful, with one claw at a right angle and the other offset.

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Using a flat bar and hammer

Removing nails from joist hangers can be a challenging task and may require some elbow grease. Here is a step-by-step guide on how to do it using a flat bar and a hammer:

First, place the flat bar under the hanger at the nail location. The flat bar should be small or medium-sized so that it can fit under the hanger. Drive the flat bar under the hanger until the nail enters the centre of the "V" on the bar. Push down on the bar to start lifting the nail out.

Next, remove the bar and tap the hanger back down. At this point, you can use a cat's paw to grab the head of the nail and remove it. If you don't have a cat's paw, you can use a hammer or a nail puller. Repeat this process for all the nails in the hanger until the joist is free. The trick is to use the hanger to pry out the nail head just enough so that you can grab it with the cat's paw or your alternative tool.

If the nails are particularly stubborn, you can try using an angle grinder to cut through them. Alternatively, you can use an oxy-acetylene torch to shear the nail heads off, but this method can be tricky as some nails may bend and become difficult to remove.

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Using a pry bar

First, use a hammer to tap the hanger towards the ledger board. This will create some space to get underneath the nail head. Next, work the pry bar under the nail head. Push down on the bar until the nail starts to come out. You may need to wiggle the bar from side to side to loosen the nail. Once the nail head is exposed enough to grab with a pair of pliers or a cat's paw, remove the bar and pull out the nail. Repeat this process for all the nails on the hanger until the joist is free.

A mini flat bar or a mini pry bar can also be used to pry out short nails that have been used to fasten the joist hanger directly into the ledger board. These nails do not provide any additional support, so they are easier to remove than longer nails.

Although using a pry bar is a simple method, it can be challenging and time-consuming, especially if the nails are firmly embedded or if there is not enough space to work with. In some cases, the hanger may become mangled during the process, but this can usually be fixed with a hammer.

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Using an angle grinder

To use an angle grinder effectively for this task, you will need to take some safety precautions and have the right equipment. First, clear the area of any flammable materials and have a water source nearby to prevent fires. Then, use the grinder to cut through the nails, being careful not to damage the surrounding structures.

One technique is to use the grinder to grind the heads off the nails first. This can make it easier to access the nails with the grinder and may speed up the process. However, this method will likely require a hammer to pound the nails in afterward.

The angle grinder can be an effective tool for removing joist hanger nails, but it may not be the fastest or most efficient method. It can be time-consuming and may not work for all nail types. Additionally, it requires careful handling to avoid damage to the surrounding structures and potential fire hazards.

Overall, while an angle grinder can be used to remove joist hanger nails, it may be most effective when combined with other tools and techniques, such as a pry bar or hammer, as suggested by some contractors.

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Using a chisel

One user on a DIY forum recommended using a sharpened chisel tip on an SDS hammer to shear off the nailheads. However, they warned that this method can be challenging because some nails will still have enough shear left in them to bend, making them difficult to remove.

If you are using a chisel to remove joist hanger nails, it is important to prioritize your safety. Ensure that you are wearing protective gear, such as gloves and eye protection, to safeguard against any potential hazards. Additionally, be mindful of your surroundings and keep any flammable materials away from the work area.

When using the chisel, it is crucial to apply the right amount of force. Use controlled and deliberate movements to avoid causing damage to the surrounding structure or injuring yourself. Take your time and work patiently, as rushing the process may lead to accidents or further complications.

Removing joist hanger nails with a chisel can be a challenging task, and it may be necessary to combine this technique with other tools and methods mentioned in the guides. For example, you may need to use a flat bar or a nail puller in conjunction with the chisel to achieve the desired result.

Frequently asked questions

Use a "cats paw" nail puller. Work the cat's paw under the nail head to pop it up, then pull it out.

A double-ended cat's paw with a vee on both the "Leg" and "Paw" end is best.

Use a flat bar to lift the nail up a little bit, then pry it out with the cat's paw.

You can try cutting the nail with an angle grinder, or chisel it out with a putty knife or saw blade.

If you can't knock the rim off, you'll have to cut the joist in half.

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