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Fiberglass Putty


Fiberglass bodywork putty is essential for repairing imperfections, and is a versatile solution. Made from resin and Fiberglass, it provides a strong bond, effectively filling cracks and dents. Ideal for shaping and smoothing, this putty ensures a flawless finish, improving the durability of repairs. Essential in the automotive industry, Fiberglass Putty guarantees professional results and optimum aesthetic restoration. Find out more
Fiberglass Putty
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Fiberglass body putty

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Description of Fiberglass Body Putty

Fiberglass-based body putty is a filling material used in the automotive bodywork industry to repair damaged surfaces, particularly those made of Fiberglass. Here is a general description of this type of putty:

Composition of Fiberglass Body Putty :

Fiberglass body putty is made up of glass fibres embedded in an epoxy or polyester resin matrix. The glass fibres add strength and durability to the putty while making it particularly suitable for repairs to Fiberglass surfaces.

Key features:

Adhesion :

Fiberglass Body Putty is formulated to adhere effectively to Fiberglass surfaces, making it an ideal choice for repairs to body parts made from this material.

Strength:

Thanks to the presence of Fiberglass, the Putty offers increased strength, making it suitable for filling cracks, scratches, holes and even larger areas of damage.

Flexibility:

Some Fiberglass putties are formulated to offer a degree of flexibility once cured. This allows the Putty to resist bodywork movement without cracking.

Fast curing:

Most Fiberglass putties cure relatively quickly, allowing effective repairs to be made in a reasonable time.

Easy sanding:

After curing, Fiberglass Putty can be easily sanded to a smooth surface ready for priming and painting.

Controlled thickness:

Due to its modular consistency, Fiberglass Putty can be applied in different thicknesses, making it easy to shape and correct levels on the bodywork.

Uses :

Fiberglass Body Putty is often used for repairs to Fiberglass body parts, such as bonnets, spoilers, side panels, and other body components made from this material. It is also used to reinforce and repair surfaces that require increased strength.

Application:

The application of Fiberglass Body Putty generally follows the classic steps of cleaning and preparing the surface, applying the putty with a spatula, curing, sanding, and finally priming and painting.

It is essential to follow the specific instructions of the manufacturer of the product you are using to ensure proper use and long-lasting results.

Our range of Fiberglass putties

Our polyester repair putties on this page contain Fiberglass, wool or glass cloth. They have a wide range of uses. For example, Mobihel Fiberglass Putty 1.6 kg is a 2K fibreglass putty reinforced with polyester putty. It's perfect for repairing bodywork surfaces with deep holes or irregular areas. This Putty is also suitable for rust holes of between 1 and 2 cm. It's very easy to apply and very strong. Our 4CR putties also perform very well. They feature a plasticising resin, which hardens shortly after the addition of a suitable Hardener. 4CR products are designed to make it easier to repair impacts such as large holes on bodywork parts. 4CR putties are filling and adhere very well to the bodywork. In fact, the putty in the 4CR repair kit adheres very well to Fiberglass, but also to iron and plastic parts. So our products are very versatile. Like any putty, it's very important to degrease and sand the bodywork to get the best end result. If the vehicle part is made of aluminium or zinc, remember to use an abrasive or treat the surface to remove the oxide layer and then laminate straight away to get a good result. You should also know that some of the 4CR products contain Fiberglass, a brush and a stirring lid. All you have to do now is take action!

Frequently asked questions about Fiberglass body putty:

Fiberglass Metal Putty is a versatile compound widely used in the automotive bodywork industry to restore and repair Fiberglass surfaces. Here are some questions frequently asked by users, along with professional answers to guide effective use of this type of putty:

1. How do I apply Fiberglass Metal Putty to a Fiberglass body?

To apply Fiberglass Metal Putty, start by preparing the surface by thoroughly cleaning and degreasing it. Use a spatula to apply the Putty evenly to the areas to be repaired. Make sure you fill in any cracks or imperfections. After curing, Sanding should be carried out to obtain a smooth surface before applying primer and paint.

2. How long does it take for Fiberglass Metal Putty to cure completely?

The curing time for Fiberglass metal putty can vary depending on the specific product you are using. In general, it can take between a few minutes and an hour. It is vital to consult the manufacturer's instructions for precise information on curing time and to respect these times for optimum results.

3. Can Fiberglass Metal Putty be used on surfaces other than Fiberglass?

Fiberglass Metal Putty is specifically formulated to adhere to Fiberglass surfaces. For repairs on other materials, it is preferable to use a putty designed for these specific surfaces. There are a variety of putties on the market suitable for different applications.

4. Do I need to use a primer after applying Fiberglass Metal Putty?

Yes, the use of a primer after applying Fiberglass Metal Putty is strongly recommended. The primer improves the adhesion of the paint, offers protection against corrosion, and helps to even out the surface for an aesthetically pleasing finish. Follow the manufacturer's recommendations to select a compatible primer.

5. Can I paint directly on Fiberglass metal putty without using a primer?

Although some paints can adhere to Fiberglass putty, the use of a primer is strongly recommended. Primer prepares the surface optimally, improves paint adhesion, and helps prevent potential problems such as colour variations.

In conclusion:

Fiberglass Metal Putty is a reliable choice for repairs to Fiberglass surfaces. By carefully following the application steps, respecting the curing times, and using complementary products such as primer, users can achieve professional, long-lasting results.