How to Repair Damaged Wood Wall Studs
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How to Repair Damaged Wood Wall Studs

A homeowners guide to repairing a rotten wood stud

Leaking water can damage wood wall studs. Left alone the damage can become catastrophic and expensive. Luckily small rotten areas can be removed and replaced before serious damage occurs. This article will guide you through the process of replacing damaged wood wall studs.

Tools and Materials

 The tools you need to do this project include a sawzall, hammer, razor knife, tape measure, straight edge, drill, pry bar, broom and a dust pan. If the area behind the drywall is damp or wet then a fan will be needed. The materials that will be needed to replace the damaged wood stud include a 2X4 ( pressure treated ), liquid nail, framing nails and drywall nails. Screws can be used instead of nails and are often easier to use. Drywall, drywall setting materials and paint will also be needed to finish.

Steps

  1. The drywall needs to be removed from the damaged area. Use a straight edge and razor knife to do this. The cut should extend six inches above the rotten area. To make the reinstallation of drywall easier cut all the way to the middle of the first solid stud on each side of the repair. It is easiest to remove the drywall from both sides of the wall. Clean up all of the mess.
  2. Inspect the damaged area. If there is a water leak it must be fixed before continuing. Place a fan on the wet areas to dry them out. Failure to do this can lead to mold issues later on.
  3. Use a sawzall ( reciprocating saw ) to cut the wall stud 2 inches above the rotten area. The extra two inches will ensure that all of the soft wood has been removed and leave 4 inches for a scab. Use a hammer to knock out the wood stud.
  4. Remove any damaged floor plate. This is treated wood so in some cases this may not be necessary. If it is cut 2 inches on each side of the rotten area. Use a hammer and pry bar to pull up the floor plate. Remove all debris.
  5. Measure the missing area of floor plate. Take away 1/16 of an inch from this measurement. Cut a section of treated 2X4 this length. Cut out any notches for plumbing lines. Cut two 6 inch sections of 2X4. These will be scab pieces to connect the new piece to the old ones.
  6. Apply a large bead of liquid nail caulking to the slab where the floor plate will be. Press the new floor plate into place. Nail the scab pieces to the old floor plates and to the new section. When doing this make sure that the scab will not interfere with the wall stud that needs to be replaced.
  7. Measure the length of the wall stud that needs to be replaced. Cut a section of 2X4 to fit. Also cut one scab for each stud to be replaced. Nail the scab to one side of the replacement stud. Leave at least 3 inches of overhang. Wedge the wood stud into place. Toe nail the stud into the floor plate. Nail the scab into the old wall stud.
  8. Finish the wall by cutting and hanging a section of drywall. After the drywall has been hung finish it with drywall mud and tape. Allow the mud to dry then sand and paint.

This method of repair is perfect for remodeling projects. It can help save money by avoiding a complete wall tear down. It is also simple enough for the average homeowner to complete without the need of a professional carpenter.  

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