Fixing Siding With Bondo

Ordinary bondo of the type used for auto body repairs consists of liquid polyester resin with several solid powdered fillers added to give it a putty like consistency.

Fixing siding with bondo. If i am visualizing your situation accurately repairing the damaged siding with bondo filler is one of the easiest ways to proceed provided the repair area in not too large. Paintbrushes and putty knives can be used to mold and form the material as best you can. Step 2 sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and create an easy grip surface for the patch product. Bondo nono for siding repair i just read the article by an expert titled prep and paint wood siding.

Fill the freezer bag with the bondo mixture then snip off a corner of the bag and use it to squeeze the bondo into tight areas. If the repair is very deep you may want to do two coats. The best filler for your siding is a two part epoxy product that cures to a rock hard consistency. He recommended bondo to repair voids gaps etc.

This post about repairing woodpecker damage will give you some insight about how to effect the repair and this link to a vinyl column repair slideshow will provide a good visual reference to how. Take some bondo or another brand of body filler and mix up enough to fill in the dent in the siding. To fill wood you need a product that is specifically designed to bend and flex the way wood does. Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding.

1 scrape all loose paint from around the area to be repaired using a paint scraper or putty knife. Additionally we show how to repl. Tips and tricks for the best results. Accordingly bondo is a very stiff product when cured which makes it well designed for auto bodies.

Remove the screws that were inserted then use a putty knife to apply the body filler to the holes and the dent. That same rigidity makes it a terrible choice to fill wood which can move a lot with seasonal changes due to temperature and moisture content. Be sure that the body filler you use dries even with the siding surface.