How to Repair Rotted Wood

Rebuild and restore rotted woods without replacing it.

Introduction

Use a polyester filler to rebuild rotted or damaged wood. Yous can mold and shape information technology to match the original wood profile. It takes paint well and won't rot.

Tools Required

Materials Required

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

Project step-by-step (3)

Step one

Repair forest with polyester filler: Utilize woods hardener and filler

filler

To repair rotted door frame, first remove rotted wood with a v-in-i or other precipitous tool. Then coat the rotted door frame area with woods hardener every bit shown. Mix polyester wood filler or Bondo forest filler and press it into the recess with a putty knife.

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Step ii

Shape and smooth

knife

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

If you've done any auto body repair, you've probably worked with two-function polyester filler. Minwax High Functioning Wood Filler is ane brand formulated for forest repair, but a gallon container of Bondo woods filler or some other make of two-function motorcar body polyester volition too work and may be less expensive for larger fixes.

The process for repairing wood is much the same whether you're using polyester filler or epoxy. Instead of epoxy consolidant, you'll utilise High Functioning Wood Hardener to solidify and strengthen the wood fibers (Photo ane). Polyester begins hardening faster than Abatron WoodEpox. Depending on the temperature, you'll have most 10 to xv minutes to piece of work earlier the filler starts to harden.

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Step 3

Smooth out the repair

Pocket Plane

Also, unlike WoodEpox, polyester tends to sag when you lot're doing vertical repairs. One trick is to build a form and line information technology with plastic sheeting. Printing the form against the filler and adhere it with screws. Then pull it off after the filler hardens. Or you tin can look 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 large repairs will crave at least two layers of filler. Consummate the repair by sanding and priming the filled area and so painting.

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Originally Published: Feb 11, 2022