When should I use polyester primer?
High Build- Polyester Primer is about the highest building primer we offer and is often called “spray on body filler“. It has incredible filling properties and is good to fill minor pitting in metal or fill small low spots imperfections body work or metal.
What is polyester primer surfacer?
Tec/SYSTEM® Polyester Primer-Surfacer (5190) is a high build, fast drying primer that has excellent adhesion to metal, galvanized metal, aluminum, fiberglass, SMC, and body filler.
Can I paint directly over polyester primer?
Polyester cannot be painted over, but it does not need to be primed. It does, however, need to be sealed. The sealer can be allowed to dry and then be wet sanded, or it can be sealed, and continue ‘wet on wet’ to base coat. Follow the TDS of the sealer for dry times, etc.
Can you spray polyester primer over bare metal?
VP2100 Polyester Primer should not be applied over bare metal, only over epoxy primer, fiberglass, or body fillers. Epoxy primer has dried overnight. 1 Clean the area thoroughly with the appropriate PPG cleaner, using clean towels.
What is primer surfacer used for?
Rust-Oleum® Primer Surfacer is ideal for improving adhesion of the final topcoat and enhancing paint’s color. When brushed or sprayed to metal or fiberglass surfaces, this high build, rust resistant, sandable formula will hide sanding scratches and quickly fills uneven surfaces.
What is the difference between urethane and polyester primer?
While polyester primers are great for filling, they can be porous. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. Urethane primers are a better surface for basecoats. The urethane primer is much denser and seals the polyester surface.
Is polyester primer the same as epoxy primer?
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. Poly primer is great for using over bare fiberglass and epoxy.
What’s the difference between primer and primer surfacer?
Use a primer to make the surface a uniformed color. Then paint over that. A surfacer is a little different. It’s used to prepare a surface — to cover holes and seam lines: to make a uniformed surface.
What is primer surfacer?
About Primer Surfacer Rust-Oleum® Primer Surfacer is ideal for improving adhesion of the final topcoat and enhancing paint’s color. When brushed or sprayed to metal or fiberglass surfaces, this high build, rust resistant, sandable formula will hide sanding scratches and quickly fills uneven surfaces.
Does primer fill pinholes?
Unfortunately, primer is very thick and does a horrible job of filling pinholes. You’ve no doubt heard the horror stories of builders spraying coat after coat of primer trying to get rid of them. The bottom line is, you cannot fill the pinholes with primer.
Can you primer over bare metal?
Both Epoxy Primer and Self-Etch primer (Self-Etching primer) can be used on bare metal. Both provide corrosion protection, and both can be top-coated with primer surfacer.
What causes pin holes in primer?
Pin-holes through trapped air below the membrane This air is less dense than the product which contains it, and while the latter is drying, the trapped air rises to the surface and may cause the feared pin-hole effect. This same phenomenon occurs when a primer is not applied or the coat is too thin or insufficient.
What is the difference between primer and primer surfacer?
Can you use poly primer as body filler?
While you can’t lay this primer on as thick in a single pass as true body filler you can build up the surface in a more uniform way by spray and blocking poly primer. High Solids- Because of the high solids content in the make up of poly primer there is very little shrink back on panels sprayed with it.
Can you spray paint over Poly primer?
High Solids- Because of the high solids content in the make up of poly primer there is very little shrink back on panels sprayed with it. This means you can spray and block it and prime or paint over top without the primer shrinking and causing imperfections in the surface of the paint or clear when done.
Do I need polyester primer?
Polyester Primer or “Poly Primer” as it is often called has become more popular in the restoration and custom painting world. Because of this the DIY painter should be considering it when doing a restoration or custom paint job. But is it really a necessity or how can it help the average weekend-warrior?
How do you use Primer Surfacer?
If any bare metal is exposed, an Etch Primer, chemical metal treatment, or Epoxy Primer is recommended before the Primer Surfacer application. Mix and apply the Primer Surfacer according to the Product Data Sheet. Apply Primer Surfacer using the reverse prime technique.