Ways to bondo a sink

When it comes to sinks, everybody prefers the cheapest ones even if they can be easily damaged. Fiberglass or cast acrylic sinks are a good alternative to those made of expensive materials such as porcelain or stainless steel. When your sink gets a scratch, all you need is some sandpaper or a polishing compound to fix it.

There are also more complicated damages that need a fiberglass compound to repair it. A cheap way to remove scratches or cracks from your sink is to use fiberglass resin.

How to do it

Using a mixture made of 1 cup warm water, 1 tbsp. of liquid dish soap and ¼ cup of baking soda, cover the damaged area of your sink using a sponge.
Help the mixture take effect by using overlapping circle with the sponge.
Remove the mixture with warm water and absorb the liquid with a fabric.
Cut up a piece of fiberglass cloth to cover the damaged area. Mix the Bondo fiberglass resin with the hardener in the kit, following the manufacturer`s instructions (mix 6 tbsp. of resin and ¼ teaspoon of hardener; use a plastic jar).
Use a newspaper to put the fiberglass piece on it. Apply the mixture on the fiberglass piece using a little paintbrush. Fix the fiberglass piece on the damaged place and press with your fingers.
Add one or more layers of the mixture over the fiberglass piece with the paintbrush and let it get dry for a few hours.
Sand the area until it becomes smooth using sandpaper (80-grit). Clean the dust resulted from sanding using a tack fabric. Apply a layer of epoxy-based paint and let it dry for one or two days.