Is filler the same as primer?

Autobody filler is (basically) made of a vinyl ester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. If you were to bond/glass over a metal pad to a fiberglass boat, vinyl ester or polyester is never used, epoxy is.

What comes first filler or primer?

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.

What primer Do you use over body filler?

If spraying two coats, the product must dry overnight before applying over body filler. Wet sanding epoxy primer is usually the best way to prep it because epoxy has a tendency to clog paper when sanded dry. Polyester primer is a very thick two-part product and is used when there's a good deal of bodywork.

What is a primer filler paint?

About Filler Primer Spray

Rust-Oleum® Filler Primer is a hi-build formula that fills in minor imperfections in the surface and improves top coat adhesion and appearance. For use on metal, wood and fibreglass surfaces. Any Angle Spray with Comfort Tip. Fills in imperfections.

Is high-build primer the same as filler primer?

Some restorers believe filler primer is little more than liquid body filler. In most cases, the filler primer or high-build primer is also a urethane product. You can generally add as many coats of filler primer as you want, sanding between each coat (as some restorers do) or after every three or four coats.

Filler Primer - Will it make 3D Print finishing easier?

Can you sand filler primer?

For best results, allow Filler Primer to dry for 1 hour before dry sanding. Test in an inconspicuous area to be sure Primer is dry enough for sanding. Block sand the area using 320-400 grit sandpaper. Clean up tools and equipment with Rust-Oleum Acetone immediately after use.

Can you put body filler on top of paint?

Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint. However, with so many different types of aftermarket paint available (lacquer, enamel, urethane, water-based). We recommend that all paint be removed where filler is to be applied.”

How long does it take filler primer to dry?

Dry and recoat times are based on 70°F (21°C) and 50% relative humidity. Allow more time at cooler temperatures. Dries to the touch in 10 minutes.

What is a high build primer?

High-build primers are usually 2-pack products which are mixed from 3 elements (primer, activator and thinner). The term 'high-build' is used by most paint manufacturers to refer to the primer used to prepare a surface for application of colour coat.

How thick can you apply body filler?

Thickness Matters

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!

What is the best body filler?

Can polyfilla be used on paint?

LePage Polyfilla Wall Paint Preparation is an extra-fine patching compound that's formulated for repairing surface damage and minor imperfections on walls. This creamy paste spreads smoothly and evenly on interior walls to fill shallow cracks and holes.

Are car fillers waterproof?

Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof. Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.

How much body filler is too much?

Repairers should apply “no more than a quarter-inch max,” Miller said. This guidance didn't mean each layer of filler could be a quarter-inch; rather, no part of the final product should exceed 0.25 inches of filler, according to Miller.

What sandpaper do I use for fillers?

Q. What sand paper is best to use on filler? A. Start off with a low grit such as 80-120 to move the majority of the filler, you can then use a high grit like 180-240 to smooth off to an even finish.

What is the difference between body filler and putty?

“The difference between putty and filler is basically the “talc” in the product. Most of our Rage line of fillers have Eco-Resin technology. With that, we use similar ingredients to putty. Therefore, when using it, the putty is no longer necessary in the repair process.”

Will primer fill in scratches?

Primer is the final step in filling small imperfections and light sand scratches. It has some limitations though. If you put it on thicker than Recommended, it will shrink later. The sand scratches that you thought were filled will show up in your finished paint job.

Do you rub down primer before paint?

The goal of sanding wood that has primer on it is to smooth down the grain that has risen while still leaving the primer intact so you do not lose the added adhesion that the primer will provide for the top coat. To sand wood with primer on it you should consider a finer grit sandpaper (like a 220 grit sand paper).

Do I need to sand after primer?

Something which is already stained or has a layer of the coat covering the wood grains. You still need to sand down it once you applied the primer. The reason behind this is, a surface that is too smooth can not hold the topcoat unless you use sand grit to create a rough surface: to hold the paint firmly.