How To Fill Knot Holes In Wood Siding

The best filler for your siding is a two part epoxy product that cures to a rock hard consistency.

How to fill knot holes in wood siding.

Use a putty knife to force the filler inside the hole making sure to fill in the hole and to completely cover the opening. Apply the wood filler to the craft sticks to fill the hole. Remove the epoxy from the packaging. And that s the goal here.

1 scrape all loose paint from around the area to be repaired using a paint scraper or putty. The craft sticks will act as a support for the wood filler. Scoring prevents the wood from chipping when you cut it. Score the cut line with the utility knife guided by a square.

I like to use transtint dark brown dyeand either west system epoxyor total boat epoxy. Place a full length piece of the damaged siding on the face of the replacement. Begin by taping off the area around the holes voids or knots. Fill the siding holes with wood filler.

Once your wood filler is mixed use it quickly. Thankfully repairing knots is pretty easy with epoxy. Apply the filler to the craft sticks using another craft stick or a putty knife. Line up the ends and using the old piece as a guide mark the new clapboard with a utility knife.

The filler should be level and even with the surface of the wood. Snip or snap off the tip of the epoxy tubes. And instead of trying to hide the knot sometimes it s just better to embrace it and make it look look resinous and natural. Press the edges of the painter s tape down to seal it against the wood.