Frequently asked questions about Fillers & Putty

Read our frequently asked questions about Fillers & Putty. Answers with practical tips from real CROP specialists. Finished reading? Then go to all Fillers & Putty.

How to apply putty effectively?

Start by cleaning the surface you want to putty. Ensure it is free of dirt, grease, and old paint. Mix the putty according to the instructions on the packaging and use a putty knife to apply it. Work in thin layers and smooth the putty out. Allow it to dry completely before sanding or painting. Don't forget to sand it down to a smooth finish and consider using a primer before applying the final paint for the best result. Read more

What is the best putty?

The best putty is a 2K putty because it hardens quickly and offers excellent adhesion. For a perfect finish, choose a putty that is specifically developed for your application, such as for filling holes or leveling surfaces. Be sure to follow the correct mixing ratio for optimal performance. At CROP, you can find a wide range of high-quality 2K putties that are perfect for both professionals and hobbyists. Read more

What do you need for puttying?

For puttying, you will need good putty, a putty knife, sandpaper in different grits, and possibly a primer. Make sure the surface is clean and dry for the best result. Read more

Where do you use putty?

Putty is used to smooth out imperfections, dents, and scratches on the bodywork of your car. It’s ideal for repairing damage before painting, ensuring a smooth and professional finish. Perfect for both small repairs and larger jobs! Read more

When should I use putty?

You should use putty when you want to smooth out imperfections, scratches, or dents in the paint. It's perfect for filling holes and creating a smooth surface before painting. Ensure the surface is clean and dry for the best adhesion and a flawless result. Read more

How much hardener to use with putty?

For 2K putty, you typically use between 2% and 5% hardener, depending on the product instructions. Make sure to mix thoroughly for optimal curing and adhesion. Read more

Which putty for window frames?

For wooden window frames, a high-quality wood putty is ideal. Ensure that the putty adheres well and is easy to sand for a perfect final result. Read more

Which putty is best for cars?

The best putty for cars is 2K putty. It provides excellent adhesion and durability, making it ideal for filling scratches and dents. With 2K putty, you create a strong base that's perfectly ready for painting. Read more

Can you put putty on rims?

Yes, you can putty rims, but use a metal putty that is suitable for aluminium or steel and is resistant to vibration and weathering. After puttying, you should sand, prime and paint the rims well for a durable finish. Read more

Do you use putty or primer first?

Primer ensures the adhesion of the colour paint you want to spray. For this reason, you apply filler first and then primer so that the colour paint will adhere to the primer. Read more

How long does epoxy putty take to dry?

Epoxy putty usually needs 24 hours to dry at room temperature for optimal adhesion. If you want faster results, you can use a heat source to speed up the process, but be careful not to make the temperature too high. Read more

Can you apply putty over paint?

Yes, you can apply putty over paint, but make sure the surface is properly prepared. Clean the painted surface and lightly sand it for better adhesion. This will result in a smoother and more durable finish. Read more

What to use for car puttying?

For car puttying, you need a good 2K putty, such as polyester putty, which you mix with a hardener for a strong and durable finish. Make sure you also have the right tools, such as a putty knife and sandpaper, for a perfect finish. Don’t forget to properly prepare the surface—cleaning and degreasing are crucial for optimal adhesion. Read more

Is polyester putty heat resistant?

Polyester putty is not specifically heat resistant, but it can withstand some heat. For applications where high temperatures are involved, it's important to choose a putty that is specifically designed to be heat-resistant. Read more

Is putty waterproof?

Yes, putty can be waterproof depending on the type and application. It's important to choose the right putty for your project and follow the manufacturer's instructions for optimal results. Read more

Which putty for car bumper?

For repairing bumpers, the best option is a polyester putty. The advantage of polyester putty is that it has a high filling power, doesn't shrink, and remains elastic and flexible, preventing it from cracking after curing. Read more

How can I fill holes in metal?

Small holes in metal can be filled with metal putty or epoxy resin. For larger holes, welding or using a metal patch with rivets is a more durable solution. Read more

Which putty for metal?

For metal, it's recommended to use a high-quality metal putty specifically designed for metal surfaces. These putties provide excellent adhesion, strength, and are perfect for filling scratches and dents. Read more

What is the best putty for outdoor use?

For outdoor use, a 2K putty is the best choice. This putty offers excellent adhesion and durability, making it perfect for all outdoor surfaces. Look for products that are UV-resistant and moisture-resistant to ensure a long-lasting finish. At CROP, you'll find a wide range of 2K putties that meet these requirements, ideal for both professionals and hobbyists. Read more

What do you do with putty?

With putty, you fill in imperfections and scratches on your car's body to create a smooth and even surface for painting. It's perfect for repairing small damages and ensures the finish looks professional. Make sure to sand the putty well after it dries for the best result and optimal paint adhesion. Read more