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Mix the Bondo® All Purpose Fiberglass Resin in a paper cup with the Bondo® Fiberglass Resin Hardener. For small applications use 10 drops of hardener per ounce of resin. Working time will be 10 to 12 minutes. For larger applications, use half of the fiberglass resin hardener supplied, to half of the resin container.
Can you put Bondo on 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.
Can you repair fiberglass with body filler?
As I mentioned, fiberglass does not sand well. That is why I recommend only applying a small amount to the welded areas and rough sanding it. After this is done, you can apply body filler on the top of the fiberglass filler and finish the repair as you normally would using body filler.
Can you use Bondo on fiberglass boat?
I wouldn’t recommend it. Bondo isn’t really meant for use in a marine environment. It would be better to repair the dings with something like MarineTex two-part epoxy instead, and then gelcoat over it.
Is bondo stronger than 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.
Can you use bondo on a fiberglass tub?
The Bondo Shower & Tub Kit from 3M was designed to permanently repair small chips, scratches, cracks gouges and holes in fiberglass, porcelain and acrylic tubs, showers, sinks, hot tubs, pools and boats. Bondo Shower & Tub Kit should be used on white or almond surfaces only if a perfect match is desired.
How do you mix Bondo fiberglass resin and hardener?
Mix the Bondo® All Purpose Fiberglass Resin in a paper cup with the Bondo® Fiberglass Resin Hardener. For small applications use 10 drops of hardener per ounce of resin. Working time will be 10 to 12 minutes. For larger applications, use half of the fiberglass resin hardener supplied, to half of the resin container.
How thick can I apply Bondo?
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!Feb 2, 2020.
Will bondo stick to gelcoat?
bondo has a polyester resin base so ya polyester fiberglass resin (or gel-coat) will bond fine.
Is Bondo OK for boats?
Bondo should never be used on a boat.
Is Bondo glass waterproof?
This waterproof filler is ideal for repairing dime size or smaller (up to 1/2″) rusted-out metal holes and shattered fiberglass body parts. It is compatible with all paint systems for cars and boats.
Is Marine Tex waterproof?
Marine-Tex is a creamy paste consistency that can be applied on vertical or horizontal surfaces, easily fills gaps, and can be shaped to rebuild damaged components. Marine-Tex paste provides waterproof repairs that can be used with fiberglass tape or cloth to bridge holes and reinforce structural repairs as needed.
What’s the best Bondo to use?
The Best Car Body Fillers 3M Bondo 261 Lightweight Car Body Filler. Permatex 25909 Liquid Metal Filler. Evercoat 156 Lightweight Car Body Filler.
Is fiberglass repair waterproof?
Fiberglass becomes waterproof once resin is applied and has cured. Once resin is applied and it has dried then the fiberglass is completely waterproof, in fact boats are routinely made from it. The resin used will typically be one of polyester resin, epoxy or vinylester.
Is Bondo fiberglass resin waterproof?
Made with the same resin used to build many boats, Bondo® All-Purpose Fiberglass Resin is 100% waterproof for a versatile range of projects such as repairing tubs, showers, sinks, pools, hot tubs and boats.
How do you use a Bondo fiberglass repair kit in a bathtub?
How to Fill Bathtub Cracks With Bondo Allow the bath tub and the cracked area to completely air dry over night before you proceed. Sand the damage area so the it is smooth. Apply Bondo to the crack(s) in the tube. Make sure that the cracks are completely filled. Allow the Bondo to completely dry for 24 hours.
Is Bondo fiberglass resin epoxy or polyester?
Product Description. Bondo Fiberglass Resin is a strong material commonly used for autos, boat building and other repairs. This high-strength polyester resin can be used with fiberglass mats or cloths on surfaces including fiberglass, wood, metal and masonry to repair metal rust-outs and to recreate or join surfaces.
Can you thin Bondo fiberglass resin?
The short answer is “yes” you can addy polyester fiberglass resin to bondo (generic term) to thin it down some. Different companies make a special “thinner” for bondo that is polyester resin based but with some additives.
How do you mix Bondo fiberglass jelly?
Needs mixing instructions 1 oz. tube hardener for whole 16 oz. can of jelly. It should say something like squeeze out 1/2 inch of hardener for every ounce of jelly.
What grit sandpaper do I use for Bondo?
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.
