Applying body filler over epoxy primer provides maximum corrosion protection for the metal. Apply filler within seven days of applying epoxy primer to maximize adhesion. … Apply thin, tight coats of filler, building up to fill as you spread, rather than a loose, thick coat.

Will body filler 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.

Can you put polyester primer over epoxy primer?

78 PRIMER FILLER PROCESS PD-1510 Caution: Wear the proper safety protection when sanding, cleaning, mixing and spraying all materials included within this process. … VP2100 Polyester Primer should not be applied over bare metal, only over epoxy primer, fiberglass, or body fillers. Epoxy primer has dried overnight.

Can you use polyester filler over epoxy?

We know polyester gelcoat can be used over WEST SYSTEM Epoxy. … Polyester materials can be affected by amines in the epoxy hardener. If the hardener has not fully reacted with the epoxy resin or the amine blush is not removed from the cured surface, problems can occur.

Can you use Bondo on resin?

Attribute NameValueApplicationRust RepairBrandBondo®

Can you Bondo over high build primer?

As long as the filler is fine enough to get into the scratches in the primer or paint and the primer or paint that you’re putting it on is a good quality urethane that is well attached to the surface then you’re probably ok.

Can I put body filler over paint?

Can they be applied over paint? A. Evercoat fillers are designed to work over bare, properly prepared substrates such as: steel, aluminum, galvanized metal, fiberglass, and SMC. Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint.

Is epoxy primer a filler?

The reasoning behind that, Epoxy is the only primer that you can put body filler on top of. You shouldn’t apply body filler on top of a Self-Etch primer or primer surfacer, but with epoxy you can.

What finish can I put over epoxy?

Applying polyurethane over epoxy is a perfect idea as it will protect your project from UV rays and scratches. It is safe to put polyurethane over epoxy because the poly coat on epoxy coating prevents oxidation of the vanish if exposed to UV rays, thus extending the life of the epoxy underneath.

Can I put gel coat over epoxy?

Typically, gelcoat isn’t recommended over epoxy because they’re chemically incompatible and the gelcoat won’t adhere properly.

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Can I spray epoxy primer over etch primer?

It is no longer recommended to use an etch primer under an epoxy primer. Residual acid from the etch primer can interfere with the proper curing of the epoxy. This may lead to extended dry times, potential blistering, and even adhesion failure.

Can epoxy primer be spray over self etching primer?

Epoxy works pretty good over Acid etch as the epoxy does not tend to melt the etch like, say a 2k primer would, only issue will be is the etch is the weakest link but normally OK, if done this way. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator.

Do you use body filler before primer?

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. 6 Ready for Primer Filler PD-1510 when body filler is completed and the car is straight.

Can you prime over epoxy primer?

Epoxy primers have excellent adhesion properties and will stick to bare metal, paints, primers and fillers. … Alternatively, you can apply filler or primer surfacer over the epoxy to fill any minor imperfections and block flat before you paint.

What is 2K filler primer?

2K is usually thought of as a “filler primer” that is sanded to help level the surface and take out slight imperfections. Epoxy primer is a “direct to metal” primer that can be a little gummy and not as good for block sanding.

Should I use epoxy or polyester resin?

If you are repairing a polyester product, or non-critical part you should use a polyester resin. If your application is gluing, load bearing or repairing an epoxy part, then an epoxy resin should be considered. In any case, the surface that you are repairing will need to be scored before applying the resin.

What type of resin is Bondo resin?

Bondo® All-Purpose Fiberglass Resin is suitable for a range of repairs and improvement projects inside and outside of the home and garage. Part of a brand that is well-known for auto repair, this fiberglass resin works with fiberglass, wood, concrete and more.

How do you use Bondo resin jelly?

For a golf ball-size amount of resin jelly, squeeze out 1 1/4 inch strip of hardener, or mix a 3 inch diameter circle 1/2 inch thick of resin jelly to a 3 inch strip of cream hardener. Mix thoroughly to a uniform color on clean, non-porous surface. Mix only small amounts that can be used within 3-4 minutes.

What's the best body filler to use?

• 3M Bondo 261 Lightweight Car Body Filler. This lightweight product is a two-part body filler. …
• Permatex 25909 Liquid Metal Filler. Unlike the Bondo filler, the Permatex product is ready to use, it does not need any mixing. …
• Evercoat 156 Lightweight Car Body Filler.

What is the difference between body filler and putty?

Putty is essentially a thick paint with a filler material – it’s generally used for very small scratches where the metal is not exposed. Air hardening. Body filler is a polyester resin suitable for small dents. Chemical hardening, a cheap and easier (by a long way) substitute for body solder.

Do you remove paint before using body filler?

Before adding any filler, you should get the metal fairly close. … Also, before stripping any paint, run a metal body file or sanding board over the area to show high and low spots.

Can you put body filler on Baremetal?

Just put the filler on the clean metal. You want the metal to have scratches so that the filler will bite onto it. We use 36 grit grinding disks to clean and texture the metal before applying filler. You can even use something as fine as 80 grit, just be sure to push the filler into the scratches so that it bonds well.

Can you spray 2K primer over epoxy primer?

Once sanded, you can put anything over epoxy, like 2K primer, paint, etc. You don’t need epoxy a second time. to make them spray better and/or lay smoother. With or without the reducer the 2K is the same product.

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 epoxy over epoxy?

The answer is, yes. In fact, it is an important factor in being able to add a second layer of epoxy. … First, if you’re epoxy has cured properly and is hard to the touch without imperfections, you can do a light sanding with 320-grit sandpaper in order to scuff the surface so that you can apply your next layer.

How do you make epoxy shiny?

Use a buffing wheel (or any polishing tool) to polish a larger piece of resin. It is best to attach the buffing wheel to a power drill so that the process is easier. Apply it as evenly as possible until the resin is shiny and smooth. Rub the surface with a microfiber cloth to get a glossy finish.

Do I need a clear coat over epoxy?

We highly recommend applying a clear top coat to your epoxy floor. … That’s why we highly recommend applying a top coat to your floors. Simply doing that will provide more durability and wear, which will reduce hot tire lift and other impacts.

Can I use epoxy primer over paint?

What Can Epoxy Primer Go Over? As with epoxy, you can lay it over just about anything, such as body work, sanded paint, metal, and you won’t have any problems. As with Self-Etch, if you put it over different layers of paint, it will lift, so you need to be This is something to be aware of.

Do you need to sand epoxy primer?

The re-coat window of epoxy primer only needs to be followed when you intend to apply another coating without sanding to from a chemical bond. If you scuff the epoxy you can apply another coating that will form a mechanical bond with the epoxy.

What do you thin epoxy primer with?

When using acetone or paint thinner for thinning epoxy, the general rule of thumb is a maximum of 10% added to the epoxy resin. An example would be if you had 32 ounces of epoxy that you were mixing you would only add up to 3.2 ounces of acetone to that mixture. Recommend over acetone and other solvents.

Will polyester gelcoat stick to epoxy resin?

Myth 1: Epoxy doesn’t stick to polyester The only conditions are that the epoxy needs to be thoroughly cured, well abraded and scrupulously clean. Polyester gelcoat is not recommended for finishing repairs below the waterline. … This is because once epoxy is cured, it’s dimensionally stable and will not shrink.