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Guide on How to Replace an Exterior Door Frame

Guide on How to Replace an Exterior Door Frame
Last Updated: 21 August 2019

You need a weathertight exterior doorway for energy efficiency. If you notice that have a worn and draughty front or it is merely not attractive anymore, it is time to replace them with a new one. Replacing your outside access border not only gives your house a fresh look, but it can also strengthen this area around your front doorway.

If you are interested in replacing the exterior door frame yourself, it is a straightforward task. There is no need to call a carpenter to do it for you. Read on this article for a bit-by-bit guide on how to do front door frame replacement.

Step-by-Step Guide on Exterior Door Frame Repair

This is an easy project that will not take so much of your time. Even if this is your first time to do exterior door frame repair, you will find these instructions very straightforward and easy to follow.

Step 1. Tools and Materials that You Will Need

Replacement border timber or exterior door frame kit available at your local hardware or home improvement stores

  • Wood glue
  • Crowbar
  • Pencil
  • Saw
  • Measuring tape
  • Hammer & nails
  • Sandpaper
  • Timber putty
  • Paint, Paintbrush
  • Primer

Step 2. Removing the Rotted Frame

  • If you want to remove a rotten or damaged portion of this border, use this pencil to mark these sections above and below this portion.
  • Using that saw, carefully remove this portion. Make sure that you have excised all that damaged part of your border.
  • If you remove your border entirely, use your crowbar. Use extra care not to damage this doorway and all area around that exterior access border.
  • With this saw, find that cutting points of your doorway border before using that crowbar. It will be easier to remove it this way.

Step 3. Measure the Removed Door Frame Sections

  • With this tape measure, measure each section of the removed border.
  • You can also measure that total area around your doorway to know the length of your new border strips.

Step 4. Cutting the New Frame

  • Using this tape measure and your pencil, mark that length you need for your new access border.
  • Cut this portion with your saw according to your measurements.

Step 5. Attaching the New Frame

  • Using a hammer and nails or your timber putty attached these new pieces of your border on that side of your door.
  • If using wood putty, follow that instruction on this wood putty container. Allow that wood putty to completely dry.
  • You can use both these timber nails and timber putty if you want to make sure that your frame is appropriately attached around your door.

Step 6. Priming and Painting the Frame

  • If you want, you can prime and paint that newly installed access frame based on that instruction on each container.
  • Give adequate drying time for both before recoating or retouching this new structure.

How to Do Exterior Door Jamb Replacement?

When you have rotted, cracked, or damaged doorpost in your exterior door, you need to have it replaced. It is easy to do exterior access jamb replacement. Here are these strides on how to replace exterior doorpost.

Step 1. The Tools and Materials You Will Need

  • Paint & Paintbrush
  • Sand Paper
  • Primer
  • Wood Nails
  • Hammer
  • Wood Glue
  • Pencil
  • Tape Measure
  • Saw
  • Pressure-treated timber Frame

Step 2. Indicate the Bad Sections

  • Before installing a new exterior access doorpost, you need to remove that damaged or rotten portion of your previous doorpost.
  • Using your pencil, mark off these places with 2 inches allowance on that above and below part of your damaged portion.

Step 3. Removing the Damaged portions of the Door Jamb

  • With this use of a saw, carefully cut these pieces along that section, you have predetermined in Stride 2.
  • Penetrate this doorpost until you have cut through this wooden portion. Once you have cut through it, you will be able to remove that damaged doorway jamb easily.
  • If you will be replacing that entire access jamb, you have to cut in that same manner. With a pry bar, you can remove these remaining pieces of your doorpost.
  • Make sure you have cleaned out that whole damaged parts because you need to have a new area to work on for this project.

Step 4. Take the Measurements of the Door Jamb to be replaced

  • After you have removed all these pieces of your damaged access jams, measure that removed section using your tape measure. This will give you that exact size of your new doorway jamb that you need to cut.
  • Make sure that these measurements are accurate as you need that new access doorpost to have a snug fit.

Step 5. Cutting the New Pieces

  • Once you have these exact measurements, measure and mark off your new wooden frame pieces with the dimensions.
  • With even stroke, cut out the proper wooden border piece that you need a replacement for the removed portion of your exterior access jamb.

Step 6. Priming the Ends

  • To have a proper seal, apply the timber primer on both ends of the timber piece that will be installed.
  • Do the same on the sections of the access doorpost that is remaining on the doorway border the will connect with your replacement piece.

Step 7. Installing the Jamb Pieces

  • Apply timber glue on both ends of the wooden jamb that you will install.
  • Insert this piece into space in an access jamb.
  • Wipe away any excess wood glue and let it properly dry.

Step 8. Filling in the Gaps

  • If you see any existing gaps in wood after installing the piece on an exterior doorway jamb, fill it in with your wood putty.
  • Wipe away the excess wood putty when done. Let it dry.

Step 9. Sanding and Painting

  • After the wood putty has dried, begin sanding the joints where the pieces of wood on your access jamb meet.
  • Once you are satisfied with your sanding, paint the whole new access jamb. It will tie up the look together as if nothing was changed.
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