10 bestAuto Body Fillerof April 2025
112M consumers helped this year.
1
Silverhook BIG11 Body Filler , 250-Millilitre
SILVERHOOK
9.9
8% off
2
2 x U Pol Davids Isopon P38 Easy Sand Car Body Filler Repair Dents Scratches, Multi-Purpose Easy Sand Polyester Body Filler
isopon
9.8
3
U-Pol Easy One Car Body Filler 3.5L 3.5 Litre UPol Easysand Polyester Bodyfiller Steel & GRP Surfaces
U-POL
9.6
4
All Types Of Vehicle Anti Rust Dent, Gouge, Splits & Scratch Repair Advanced Body Filler (685g Filler/15g Hardener)
E-TECH
9.4
5
MP Essential All Types Of Vehicle Anti Rust Dent, Gouge, Splits & Scratch Repair Advanced Body Filler (685g Filler/15g Hardener)
MP Essential
9.2
OtherUp to 12% off
DOLPHIN U-Pol Premium Body Filler For Deep Repairs 3 Litre Ultra Fine Finish Filling Properties Easy To Sand & Shape/Non Sagging/Excellent Adhesion
U-POL Smooth 7 Car Body Filler 3.0L Litre Easy Sand Deep Dent Repair
Simply SFPU250 Auto Fibre Putty Unfilled 250g - Extra Hard Filler For Medium Damage To Car Body Work, Grey
6
U-POL Isopon Easy Sand Bodyfiller P38 250ml Repairs Damaged Body Panels On Vehicles Fills Minor Scratches Or Serious Dents Used on Bare Steel And Original Paint
U-POL
8.9
7
AMK® U-Pol Isopon P38 Easy Sand Car Body Filler Dent & Scratch Repair 250ml Davids Bodywork Dents Scratches
AMK
8.7
8
Silverhook BIG31 Big Boy Plastic Flexi Filler 250ml
SILVERHOOK
8.4
9
AMK® U-Pol Isopon P40 Car Body Repair Paste Fibreglass Formula Filler Compound Upol Davids Fibre Glass
AMK
8.1
10
U-Pol FANT/3 Fantastic Ultra Lightweight Body Filler, 3 Liter
U-POL
7.8
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A Guide to Selecting the Best Auto Body Filler
Choosing the right auto body filler is crucial for achieving a smooth and durable repair on your vehicle. Auto body fillers are used to fill dents, dings, and other imperfections on the surface of a car before painting. The right filler will ensure a seamless finish and long-lasting repair. Here are some key specifications to consider when selecting an auto body filler, along with explanations to help you make the best choice for your needs.
Type of Filler
Auto body fillers come in various types, including standard, lightweight, fiberglass, and metal-reinforced fillers. Standard fillers are good for general repairs, lightweight fillers are easier to sand and shape, fiberglass fillers offer extra strength and are ideal for larger repairs, and metal-reinforced fillers provide added durability and are great for high-stress areas. Choose the type based on the size and location of the repair.
Curing Time
Curing time refers to how long it takes for the filler to harden and be ready for sanding. Faster curing times can speed up the repair process, but they may be harder to work with if you're not experienced. Slower curing fillers give you more time to shape and smooth the filler before it hardens. Consider your skill level and the time you have available for the repair when choosing the curing time.
Sandability
Sandability is how easy it is to sand the filler to a smooth finish. Some fillers are designed to be easier to sand, which can save time and effort. Lightweight fillers typically offer better sandability. If you want a smooth finish with less effort, look for fillers that are known for their easy sanding properties.
Adhesion
Adhesion refers to how well the filler sticks to the surface of the car. Good adhesion is crucial for a long-lasting repair. Some fillers are formulated to adhere better to certain materials, such as metal, plastic, or fiberglass. Make sure to choose a filler that is compatible with the material of the area you are repairing.
Flexibility
Flexibility is the ability of the filler to withstand movement and vibrations without cracking. This is especially important for areas of the car that experience a lot of stress or movement. Metal-reinforced and fiberglass fillers tend to offer better flexibility. Consider the location of the repair and whether it will be subject to movement when choosing a filler.
Water Resistance
Water resistance is important for preventing moisture from getting into the repair and causing rust or other damage. Some fillers are more water-resistant than others, making them better suited for areas that are exposed to the elements. If the repair area is likely to come into contact with water, choose a filler with good water resistance.
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