How to Repair Rotted Woods

Rebuild and restore rotted woods without replacing it.

Introduction

Use a polyester filler to rebuild rotted or damaged wood. Y'all can mold and shape it to match the original woods profile. It takes paint well and won't rot.

Tools Required

Materials Required

  • 100-grit sandpaper
  • Polyester filler
  • Wood hardener (consolidant)

Project step-by-pace (3)

Step 1

Repair wood with polyester filler: Apply wood hardener and filler

filler

To repair rotted door frame, first remove rotted wood with a 5-in-ane or other sharp tool. Then coat the rotted door frame area with woods hardener as shown. Mix polyester wood filler or Bondo woods filler and press it into the recess with a putty pocketknife.

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Step two

Shape and smooth

knife

Carve the partially hardened sagging Bondo wood filler with a putty knife or chisel. Add together some other layer of filler if necessary to the rotted door frame.

If you've done any automobile body repair, you've probably worked with two-part polyester filler. Minwax High Performance Wood Filler is 1 brand formulated for wood repair, but a gallon container of Bondo forest filler or some other brand of two-office auto trunk polyester will besides work and may be less expensive for larger fixes.

The process for repairing wood is much the aforementioned whether y'all're using polyester filler or epoxy. Instead of epoxy consolidant, y'all'll utilize High Performance Forest Hardener to solidify and strengthen the wood fibers (Photograph 1). Polyester begins hardening faster than Abatron WoodEpox. Depending on the temperature, yous'll have about 10 to 15 minutes to work before the filler starts to harden.

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Step 3

Smooth out the repair

Pocket Plane

Also, different WoodEpox, polyester tends to sag when you're doing vertical repairs. One trick is to build a course and line it with plastic sheeting. Press the form confronting the filler and attach it with screws. Then pull information technology off subsequently the filler hardens. Or you can wait until the sagging filler reaches the hardness of lather and carve it off with a putty pocketknife or chisel or shape it with a Surform aeroplane or rasp (Photograph 2). Most medium to big repairs volition require at least two layers of filler. Complete the repair past sanding and priming the filled expanse and so painting.

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Originally Published: Feb 11, 2022