What are the different types of Bondo
Olivia House
Published Apr 15, 2026
Bondo® Spreader. More Options. … Bondo® Fiberglass Cloth Tape. 0.0. … Bondo® Professional Glazing and Spot Putty. 3.0. … Bondo® Fiberglass Resin Jelly Kit. 0.0. … Bondo® All-Purpose Fiberglass Resin. More Options. … Bondo® Red Cream Hardener. … Bondo® Glass Reinforced Filler. … Bondo® Dent Repair Kit Clamshell, 31588, 6 kits per case.
Which Bondo is best?
- 3M Bondo 261 Lightweight Car Body Filler.
- Permatex 25909 Liquid Metal Filler.
- Evercoat 156 Lightweight Car Body Filler.
What is the best body filler for fiberglass?
Bondo Body Filler cures fast, shapes in minutes and is formulated to be a non-shrinking and permanently durable material. In addition to its uses on vehicle exteriors and other metal surfaces it is also a suitable repair option for wood, fiberglass and concrete.
What is the difference between Bondo stage 2 and 3?
Stage 2 – Fill. This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting. Stage 3 – Paint. This stage includes painting the area and blending and smoothing primer and paint.What body filler sands the easiest?
The easiest body filler to sand that I’ve used is Rage Gold Extreme, then Rage Gold, Rage, and then Z-Grip. I always bought Z-Grip from my own personal filler needs.
What does Stage 3 Bondo mean?
This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting. Stage 3 — Paint. This stage includes painting the area and blending and smoothing primer and paint.
Can you Bondo rust holes?
While “Bondo” is the name of a 3M product, it has also become a generic term for plastic body filler, and several companies make similar stuff. The putty can be useful for filling rust holes in the most rust-prone areas of a car including quarter panels, fenders over and behind the wheels, and the bottoms of doors.
Does Bondo harden without hardener?
Without it the bondo won’t get hard. Put a small piece of bondo on a board and run a line of hardener from end to end. It will take about five minutes to mix it up and apply it.Do you have to use cream hardener with Bondo?
(Bondo comes with a tube of hardener.) If you add too much hardener, the mixture will gel too quickly. If you add too little, it increases the amount of time for it to cure, and if you don’t add enough it will never cure.
Why is Bondo bad?Unfortunately, filling compounds such as Bondo also present some drawbacks. Fillers like Bondo can crack if they are mixed too thickly, harming rather than improving the look of the car. Additionally, there’s a risk of discoloration and poor long-term wear when you use a dent repair filler like Bondo.
Article first time published onCan you paint directly over Bondo?
A direct application of Bondo Ultimate over sanded or cured primer and paint is possible. After applying this filler, it is easy to sand.
What grit sandpaper do I use for Bondo?
First step: Prep the Surface Make sure to sand outside of the repair area as Bondo will need to be spread and applied wider than the damaged area. (36-grit to 220-grit should do the trick for body filler application). AutoBodyNow.com sells a vast assortment of sandpapers and sanders to complete this step.
What is the easiest body filler to work with?
Polyester glazes can be used to fill scratches and very small dents. They can be applied over bare metal, fiberglass, other fillers, and cured 2K Coatings. They are thin and easy to work with.
Should you prime before body filler?
Do not proceed to Primer Filler stage until filled area is even. Adding body filler AFTER primer filler should be avoided to prevent possible adhesion, staining and shrinkage concerns.
What is stronger Bondo or fiberglass?
Registered. “Bondo Glass” is a short strand fiberglass filler, I goes on like Bondo, but it is made of fiberglass, so it is stronger, it’s also a little harder to sand then regualar bondo.
How thick can Bondo be applied?
There is no minimum thickness for Bondo, but there is absolutely a maximum. You do not want to apply body filler to anything that is thicker than about a 1/4”. That does not mean it can’t be done, but the repair will not last as long. Eventually the filler will shrink and possibly crack, or even pop off!
Do professionals use Bondo?
Automotive plastic body filler, often times called “Bondo,” is used quite frequently for automotive repairs and restorations. … Professional, high quality shops use body filler on custom cars and restorations continuously.
Does Bondo Sand easy?
Once the Bondo cures, it’s time to sand. … The lightweight Bondo Gold is far easier to sand than the heavier type, so consider using the good stuff on the way out. Use a tack cloth to remove any dust between coats.
What is the yellow body filler for cars?
Duraglas Fiberglass Filled Filler 1 Gallon Duraglas(R) body filler is the original fiberglass reinforced automotive body repair filler. Formulated with short-strand fiberglass fibers, Duraglas provides ultimate strength and durability on rust-outs, holes, tears and cracks. Ideal for use on metal and fiberglass panels.
What Bondo to use on wood?
Bondo® Wood Filler is stainable and paintable and turns to a medium brown color when mixed, making it perfect for almost any wood surface. The two-part wood filler forms a permanent bond and will not shrink.
Is Bondo fiberglass resin epoxy or polyester?
As a brand of 3M, Bondo® is well known among boat manufacturers and collision repair professionals. This polyester resin is another way that 3M applies science to life, and helps you restore and maintain the beauty and value of your cars, boats and other possessions in and around the home or shop.
Is Bondo flexible?
Repair Bumpers, Dashboards and Other Flexible Plastic Parts Thankfully Bondo® Bumper and Flexible Part Repair can fix the damage from a slight impact that scrapes, punctures or cracks a bumper. In addition to bumpers, our adhesive may be used to repair flexible interior plastic components, including dashboards.
What is Polituff?
Polituff Polyester Bodyfiller is a 2-component polyester bodyfiller , BPO – catalysed formulated to fill in surface imperfections resulting to a smooth surface prior to topcoat painting. It is an impact, shock- resistant putty especially designed for use on auto-body patching of dents, leaks, holes, and flaws.
What is the ratio of Bondo to hardener?
Place the proper amount of Bondo filler and hardener: 50:1. First, place the filler on the mixing board and then place the hardener. 3. Mix with a plastic or metal Filler Spreader.
How long should Bondo dry before sanding?
Allow the putty to dry 15 minutes at 77 degrees F (25 degrees C). In cooler climates, putty may take 20-30 minutes to dry. 7. Using 3M™ Sandpaper 80 grit, sand and shape the filled area to the contour of the surface.
How long can Bondo be left unpainted?
Between life and work, the longest time period the bondo would go Unpainted would be about 2-3 weeks.
Can you use liquid hardener with Bondo?
Bondo Fiberglass Resin Liquid Hardener is designed specifically for use with Bondo Fiberglass Resin and Bondo Metal Reinforced Filler. This hardener is easily mixed with resin or filler; a chemical reaction creates an extremely strong, waterproof repair material.
Should I prime Bondo?
You should use a “direct to metal” (DTM) primer to help top coats stick to the metal but it’s not needed under body filler most of the time. Once the metal is primed then you can apply a “filler primer” (2K) to help hide scratches and minor surface irregularities.
Can you base coat over body filler?
For small repairs, you can bog directly over the bare metal. If the repair is larger, or you’re looking for a longer-lasting job, apply a base coat of epoxy primer before laying on the filler. That’s what I did on the job here.
How long before I can paint Bondo?
Bondo mixed to the color swatch will begin to cure in less than 10 minutes at room temperature. Too much hardener in a warm environment will reduce working time, but too little in a cool environment can result in maddeningly long curing times.
Is Bondo dust bad for you?
Body filler or bondo contains styrene which can cause cancer.