Table of Contents
How do you apply body filler to a car?
Do you prime before body filler?
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.
Does body filler have to be applied to bare metal?
The short answer is filler companies suggest it needs to go on bare metal, and epoxy companies suggest you put filler over epoxy so they can sell more of their product.
What is auto body filler used for?
In general, body fillers consist of a polyester resin with a cream hardener that forms a putty-like substance that is used to return a vehicle’s body to its smooth surface after minor damage. Think of it like the spackle used in home repair to cover nails and even out walls.
Are body fillers strong?
We often get asked about metal body fillers or reinforced fillers and what they are. These fillers are incredibly strong but do have their place in the body shop. Not Just for Autobody Work- Metal Body Filler is a great alternative to other repairs other than auto body use.
Can body filler be wet sanded?
Don’t wet sand filler. Filler is too absorbant and you can have problems getting it dry plus you could cause moisture to wick through to the metal or weaken the bond between the filler and the substrate.
Can I paint straight onto filler?
When using filler it is always good practice to thin down the first coat of emulsion when painting the surface. We would recommend you rub down the surface and apply another coat but thin down the paint with 20% water – this will seal the surface and give a more uniform finish.
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.
Can you put body filler directly on metal?
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.
Does body filler go on bare metal or primer?
The spec sheets for epoxy primer state that body filler can be applied over the primer and it will hold. If you are not using epoxy primer, the filler should be applied to bare metal. When applying filler over epoxy primer, you must scuff the shine off the primer with a grey scuff pad or the filler will not hold.
Does body filler stop rusting?
The mere application of body filler over a substrate won’t stop rust, Miller said. Fillers might contain corrosion resistance and slow the process, “but they’re not gonna stop it,” he said. Put filler on rust, and “(the rust) may continue to grow,” he said.
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.
Does body filler work on plastic?
Body filler and glaze is not meant to flex the way that plastic does, therefore the material would crack. Body filler is also not designed to adhere to a plastic surface the way that it adheres to metal. Most plastics require an adhesion promotor to allow the plastic repair material to adhere to the surface.
Which body filler is best?
The Best Car Body Fillers 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 easiest body filler to use?
Z-Grip is a metal-infused filler that is easy to sand, and provides superior adhesion. These are made from high-quality resins, and are the best product to use when doing intensive body resurfacing – making multiple filler applications and sanding. They have the highest level of stain-resistance, and sand the easiest.
How thick can you make body filler?
So in the spirit of political correctness and repeating the party line ” Ideally filler should never be more than 1/8″ thick “.
When can you sand car filler?
When the filler is hard (usually 15 -20 mins) sand into shape using 40-60grit production paper. Power sanders can speed up this part of the job but care must be taken not to remove too much of the filler, particularly if using rotary sanding disks.
Do you need to sand between layers of Bondo?
You don’t need to level it but you should scuff it with some 80/120 before applying the next coat.
Why does filler show through paint?
Different fillers have varying levels of absorbtion as does the original surface of the wall. That means when you paint over it the paint behaves in a different way on each surface. I suspect you already painted with a normal top coat which will explain why you still see the filler.
