How do you repair a hole in a car with Bondo?Īllow the primer to dry completely, and sand smooth with fine sandpaper. This product is a 2-part component formula that securely and quickly bonds to primer, metal, fiberglass and aluminum.
#Bondo glazing and spot putty professional#
Generally this is a ribbon of hardener about 2 inches long to a golf ball- sized glob of filler.īondo Professional Glazing & Spot Putty smooths and repairs pin holes, scratches, nicks, minor dents, stone chips and other surface imperfections in automotive paint and bodies. Mix the amount of body filler that you can use in 10 minutes following the mixing directions on your can of body filler. Pin-holes through air or solvent trapped inside the membrane How long does it take to fill hole in Bondo?
PINHOLES are small craters which form in the applied product during the drying process and which, apart from an aesthetic problem, can also cause functional difficulties, especially in waterproof membranes as they can adversely affect the resistance and efficiency of the coating. Why are there pin holes in my waterproof membrane? In the case of DESMOPOL polyurethane membrane, we can completely eliminate the risk of the appearance of pin-holes or bubbling with the addition of DESMOPLUS. In some cases these bubbles may actually break through the surface, causing the appearance of pin-holes. Why are there pin holes in desmopol membrane?
#Bondo glazing and spot putty how to#
Pin-holes, what they are and how to prevent them. What are pin holes and how to prevent them? What does Bondo professional glazing and spot putty do?īondo Professional Glazing & Spot Putty smooths and repairs pin holes, scratches, nicks, minor dents, stone chips and other surface imperfections in automotive paint and bodies. From there, smooth the surface with a putty knife, and paint right over the area with a color that matches the rest of the wall. It’ll create the thick consistency that you’ll need and will dry rock solid. If you don’t have any toothpaste on hand, mix up a bit of baking soda and white glue to fill in all the holes. This filler remains easy to sand for days after the application. Can I use Bondo over paint?īondo Ultimate can be applied directly over sanded and cured primer and paint. Only the spackle in the pin hole should remain. Allow to dry completely then wash off with a damp rag. Mix it lighter than your walls, use a putty knife to press it into the holes.
I would mix a little craft paint into a small amount of Spackling compound. High build primer is available in cellulose and 2-pack. Normally two coats of high build primer will be sufficient. The high build primer adds a relatively thick coating of paint which is sandable and is used to remove the imperfections in the panel.
What is high build primer?Ī high build primer is the next step after self etch priming. You can carefully spackle the holes with, say, a very small screwdriver, and then touch the paint on the spackle with a thin artist’s brush. The good news is that you do not need to re-paint the entire wall. There are several causes of pinholes in paint film surfaces. Pinholes can only be repaired successfully by thoroughly sanding the substrate or by filling the holes with body filler. Unfortunately, primer is very thick and does a horrible job of filling pinholes. Pinholes are the tiny voids, bubbles, and pits caused by air that got mixed into the dry micro. Any high-quality automotive primer will cover and hide the scratches.