Then pull it off after the filler hardens.
How to repair rotted wood siding.
It is a good idea to fill areas of rotted wood when pieces of the original wood remain for the filler to adhere to.
One trick is to build a form and line it with plastic sheeting.
Press the form against the filler and attach it with screws.
Not only is this faster but the fixed wood is stronger than the original.
Fill the void with the filler.
When you come across rotted wood in your old house projects instead of replacing the damaged wood you also can repair it with specialty epoxy penetrants also called consolidants and fillers to make repairs.
After waiting about 15 minutes for the thin liquid to penetrate stahl wipes off the excess with a paper towel.
Pry off the rotted boards.
As the filler starts to cure shape it to conform to the molding.
Use a ruler and insert it in the rotted wood.
Paint can hide wood rot so poke the siding with the tip of the screwdriver.
On the exposed wood photo by brian wilder a two part epoxy primer brushed on the exposed wood ensures that the final repair will bond to the surface.
Using 2 inch siding nails attach the new wood piece.
If it goes in further than an inch or penetrates the other side then you may be better off replacing the wood.
Many people delay getting new wood siding when one or two boards are rotted out because it can be hard to match new materials to the wood species and the same look of the existing siding.
If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration.
However by waiting to replace the one or two rotten boards this problem can lead to more significant damage in time.
To learn how to repair wood siding remove rotted boards with a flat pry bar.
Mix up two part automotive filler.
Or you can wait until the sagging filler reaches the hardness of soap and carve it off with a putty knife or chisel or shape it with a surform plane or rasp photo 2.
Protect sound siding with a scrap piece of 1 4 in.
Place the new wood piece under the lower edge of the blank in the upper plank.
Position the groove along the bottom part of the new wood piece onto the upper edge of the wood piece.