Can I Use Bondo On Fiberglass Resin On A Boat?

Will Bondo stick to fiberglass resin?

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 Bondo on resin?

Along with its strength, Bondo® Fiberglass Resin is also simple to use. It is easily mixed using the included Bondo® Liquid Hardener, designed specifically for use with Bondo® fillers and resins. It is sandable in less than two hours.

Will Bondo stick to epoxy resin?

You could use one of these marine duty ‘bondo’ type products and they do work over cured epoxy substrates provided that you provide sufficient ‘key’ for adhesion either by thoroughly sanding with 36-80 grit sandpaper sandpaper OR by applying a woven release fabric over the uncured epoxy layup.

Is Bondo OK for boats?

Bondo should never be used on a boat.

Will gelcoat stick to Bondo?

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

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What is the difference between polyester and epoxy resin?

Epoxy is more resistant to wearing, cracking and peeling, and corrosion or damage from chemical or environmental degradation. Polyester is more fragile and useful for temporary fixes, or low-stress use. Epoxy is generally more expensive than resin, due to its strength and formulation requirements.

Is Bondo fiberglass resin and epoxy?

Bondo Fiberglass Resin is designed for repairing cars, boats, snowmobiles, jet skis, bathtubs and showers. This high-strength polyester resin creates waterproof repairs on metal, fiberglass and wood as well as seals concrete and rotted wood. That makes epoxy resin usually the best choice for fiberglass repair work.

How much hardener do you use with fiberglass resin?

Add 14 drops of liquid hardener per 1 oz. of Fiberglass Resin (or for ¼ can of Fiberglass Resin, use ¼ tube of liquid hardener).

Can you use polyester filler on epoxy resin?

We know polyester gelcoat can be used over WEST SYSTEM Epoxy. As Jeff Wright wrote in “Polyester Over Epoxy” in Epoxyworks 22: “As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. Polyester materials can be affected by amines in the epoxy hardener.

What is in Bondo?

Bondo, a two-part (resin with hardener added) mix of talc and plastic, was introduced in 1955. It was developed by WWII veteran and automotive repair shop owner Robert Merton Spink of Miami, Florida.

What is the best filler for fiberglass boats?

3M Marine High Strength Repair Filler restores damaged areas of fiberglass hulls, decks and other areas on boats. This filler is a high performance product that is reinforced with short strands of fiberglass for added strength. Boat restoration professionals commonly use this product.

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Can gelcoat be used as a filler?

Gel coat filler Both are brand names. Mix it in with your gel coat slowly or you may get lumps. Use the same amount of catalyst as with straight gel coat. If your gel coat has wax or surfacing agent in it, you must sand all the surface before adding any more filler or gel coat over it.

Will gelcoat stick to body filler?

The 3M Marine Premium Filler; gelcoat will adhere to it and is is sandable and can be uses above or below the waterline.

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