Repairing surfaces

 

Repair products are used to fix damaged surfaces.

Repair products are used to fix damaged surfaces. They include fillers like wood filler, plastic joint filler, plaster of Paris, putty, mortar and so forth. You should select the best filler for the job. Read manufacturer’s instructions regarding the filler and its uses.

Before fixing surfaces, clean and sand as described in section “Cleaning Surfaces.”

Learn how to:


Fixing previously painted gypsum (drywall) surfaces:

Checklist

  • Appropriate filler
  • Putty knife
  • Sandpaper
  • Trowel
  • Shop vacuum cleaner
  1. Scrape paint away from hole with a putty knife.
  2. Remove damaged gypsum (drywall).
  3. Sand with a medium-grade (80, 100 or 120) sandpaper and vacuum away dust.
  4. Use trowel or wide putty knife to fill hole with filler.
  5. Let filler dry. Do not use joint compound on previously painted surfaces as this may cause the blistering (air bubbles) during or after the application of the paint
  6. After 24 hours (or according to manufacturer’s instructions), sand with a medium-grade (100 or 120) sandpaper and vacuum up dust.
  7. Repeat as needed.

Fixing previously painted masonry surfaces:

Checklist

  • Appropriate filler
  • Putty knife
  • Sandpaper
  • Trowel
  • Shop vacuum cleaner
  1. Scrape paint away from hole with scraper or putty knife.
  2. Remove damaged masonry or plaster and vacuum away residues.
  3. Sand surface with a medium-grade (80, 100 or 120) sandpaper and vacuum up dust.
  4. Sprinkle water on the edges of the hole so filler will stick.
  5. Fill hole with filler using a wide putty knife or trowel.
  6. Let filler dry completely. Do not use joint compound on previously painted surfaces as this may cause the blistering (air bubbles) during or after the application of the paint.
  7. After 24 hours (or according to manufacturer’s instructions), sand with a medium-grade (100 or 120) sandpaper and vacuum up dust.
  8. Repeat as needed.


Fixing previously painted wood surfaces:

Checklist

  • Appropriate filler
  • Putty knife
  • Sandpaper
  • Nail set
  • Trowel
  • Shop vacuum cleaner
  1. Scrape away paint with putty knife.
  2. Remove rotten wood and any loose pieces of wood.
  3. Sink any extruding nail heads with the nail set.
  4. Sand surface with a medium-grade (80, 100 or 120) sandpaper and vacuum up dust.
  5. Fill holes with plastic wood.
  6. Let dry, sand with progressively finer grades sandpaper (150, 180 and 220) and vacuum up dust.
  7. Repeat as needed.
  8. Wipe with a white, moist, lint-free rag. The moist rag removes any dust left by the vacuum cleaner. Soak rag in clean lukewarm water and wring out thoroughly before wiping to avoid leaving behind any moisture that could cause wood to swell.