Small Holes

• 1). Scoop up a small amount of wood putty using your putty knife.
  
  
• 2). Smear the wood putty into the hole on your porch slat. The wood putty should fill the hole completely.
  
  
• 3). Scrape the flat end of the putty knife over the top of the hole several times from different directions.
  
  
• 4). Allow the wood putty to cure. The label on the container indicates how long this will take.
  
  
• 5). Sand the filled area using a 100-grit sanding block.
  
  

Large Holes

• 1). Clean any loose material out of the wood hole using your fingers
  
  
• 2). Brush epoxy consolidant over the hole using a nylon brush. Many consolidants come in two parts and must be mixed together before they can be brushed on. Follow the manufacturer's instructions.
  
  
• 3). Work the consolidant into the wood until the wood is thoroughly saturated. The wood will acquire a darker, wet look.
  
  
• 4). Mix equal amounts of the two-part epoxy filler together on a scrap of wood.
  
  
• 5). Fill the hole with epoxy filler using a putty knife, making sure that every crevice of the hole is filled, with it overflowing the hole.
  
  
• 6). Scrape the overflow off using the putty knife. This allows you to flatten the epoxy filler to match the surface of the slat of wood.
  
  
• 7). Allow the epoxy filler to cure completely. The amount of time this takes is listed on the epoxy filler’s packaging.
  
  
• 8). Sand the cured epoxy lightly with a 100-grit sanding block to help it blend with the rest of the porch slat.