Can I Use Bondo For Boat Repair?

Is it OK to use bondo on fiberglass?

Fiberglass Bondo is waterproof, extremely strong and can be used for virtually any fiberglass panel. As an initial matter, it must be recognized that there is Bondo for metal and Bondo for fiberglass. Ensure that the Bondo for fiberglass is used.

Can you use body filler on gelcoat?

any body filler will do. I use 3m hi build filler, it is half the price of Rage and in my oppinion is better than rage. It spreads easier and sands easier.

Will bondo stick to gelcoat?

bondo has a polyester resin base so ya polyester fiberglass resin (or gel-coat) will bond fine.

Can you use bondo on an aluminum boat?

Using bondo on aluminum boat will hide corrosion. Or allow it to start corroding under the bondo. It’s not a good idea to put bondo on a boat.

Should I use fiberglass or body filler?

Fiberglass filler is much stronger and harder than regular body filler so anywhere the filler needs extra strength is a good place for fiberglass filler. I rarely use long strand filler because it can’t be spread as smoothly but when a large area needs the strength the long strand is usually the material needed.

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Is fiberglass or Bondo better?

I primarily use fiberglass to cover up weld areas the fiberglass putty will resist water and keep everything sealed up so you dont’ get rust in those joints then I sand that down, and apply the bondo over that, real thin, just to fill in the holes and give it a smooth look.

Can you gelcoat over gelcoat with wax?

Gelcoat with wax has had paraffin wax added to it. When the gelcoat is catalyzed with MEKP, the wax rises to the surface throughout the cure, keeps the air from contacting the gelcoat, and allows the gelcoat to fully cure. If catalyzed with MEKP, gelcoat with wax will cure completely, in normal application conditions.

Can you gelcoat over fairing compound?

Can you apply gelcoat over the fairing compound? Gelcoat should not be applied directly over epoxy fairing compounds like TotalFair. Doing so will result in the gelcoat failing to cure properly.

Can gelcoat be applied over epoxy?

Gelcoat is sprayed into a mold before the glass fabric and resin are applied to provide a smooth pre-finished surface when the part is removed from the mold. It is not often used as a post-production finish coating, but it can be applied over epoxy and is useful in some repair situations.

What will stick to gelcoat?

Incorrect Surface Preparation – Gelcoat will only adhere to fiberglass, previously cured gelcoat, or polyester resin. Do not apply gelcoat to any paint or protective coating because it will not adhere. Existing paint will have to be removed. In order to prepare the surface correctly it must be sanded.

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Can you fiberglass over Bondo filler?

Yes,you can fiberglass over bondo,rough the bondo up with 80 grit for a better bond,use a grooved roller to remove the air bubbles. DO NOT use Bondo on a boat, it will swell up when wet.

Can you glass over gelcoat?

No you should not lay glass on top of gel coat. If you want a stronger boat seperate the hull and deck and lay glass on the inside.

Does Bondo adhere to aluminum?

The Ease of Bondo® Filler, With Extra Strength This simple 2-part filler is reinforced with aluminum — great for use on fiberglass, metal, aluminum and even wood or masonry.

Is JB Weld good for aluminum boats?

SURFACE APPLICATIONS: Aluminum, Fiberglass, Metal, Plastic/Composite, Wood. DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time.

How do you get dents out of aluminum boats?

Removing small dents is easiest done with two people one on th inside and one on the out side. The person on the out side will be holding a heavey piece of flat metal and the one on the inside will use a rubber malot to beat out the dents, do not use a metal hammer on the hull.

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