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The Global Insight

What is Tiger hair filler

Author

Andrew Campbell

Updated on April 07, 2026

TIGER HAIR® can be used without fiberglass mat or cloth. It’s ideal for heavy duty damage and bulk filling rust repairs. Can be used to repair SMC, fiberglass, rigid plastic, steel, galvanized steel and aluminum.

What is TIGER HAIR used for?

TIGER HAIR® can be used without fiberglass mat or cloth. It’s ideal for heavy duty damage and bulk filling rust repairs. Can be used to repair SMC, fiberglass, rigid plastic, steel, galvanized steel and aluminum.

Is Bondo hair waterproof?

Bondo-Hair is formulated with long strands of chopped fiberglass for twice the strength of a regular body filler. … Repairs fiberglass, metal and wood. Sandable in only 20 minutes and is compatible with all fillers, primers and paints. Waterproof.

Is TIGER HAIR waterproof?

The original long fiber, fiberglass reinforced filler, TIGER HAIR is extra high strength and waterproof. TIGER HAIR can be used without fiberglass mat or cloth. It’s ideal for heavy duty structural damage and bulk filling rust repairs.

Can you use Bondo hair on metal?

The versatile filler is suitable for repairs on fiberglass, metal and wood. Bondo-Hair® Long Strand Fiberglass Reinforced Filler is also very fast and easy to use. … The cured filler is compatible with most fillers, primers and paints.

What is fiberglass mat used for?

Fiberglass mat usually comes in large carpet-like rolls and is used for automotive and boat projects. It can be used to install speakers in a car while making a mold for them, or it can be used to repair the body of a marine vehicle.

What is Bondo glass used for?

Bondo-Glass is a unique reinforced filler containing short, interlocking fiberglass strands and fibers that make it twice as strong as regular body filler. Repairs small (dime size or smaller) rusted-out metal holes and shattered fiberglass body parts. PERFECT FOR MARINE USE!

Can you fiberglass over Bondo?

Re: Epoxy fiberglass over polyester filler? As long as the bondo is cured, no worries my friend. Just scuff it with sand paper and your good to go. Epoxy will stick just fine.

Can you repair metal with fiberglass?

A rough surface allows that fiberglass to have a strong bond to the bare metal. If paint or primer is in between the fiberglass and metal, this may give an area for the bond to fail. … The fiberglass cloth will go behind and over top of the hole, this will help keep the repair level with the original body shape.

Can I use fiberglass Bondo on metal?

Bondo Body Filler cures fast, shapes in minutes and is formulated to be a non-shrinking and permanently durable material. In addition to its uses on vehicle exteriors and other metal surfaces it is also a suitable repair option for wood, fiberglass and concrete.

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How do you use Bondo fiberglass jelly?

For a golf ball-size amount of resin jelly, squeeze out 1 1/4 inch strip of hardener, or mix a 3 inch diameter circle 1/2 inch thick of resin jelly to a 3 inch strip of cream hardener. Mix thoroughly to a uniform color on clean, non-porous surface. Mix only small amounts that can be used within 3-4 minutes.

What's the difference between bondo and Bondo glass?

“Bondo Glass” is a short strand fiberglass filler, I goes on like Bondo, but it is made of fiberglass, so it is stronger, it’s also a little harder to sand then regualar bondo.

Is Bondo glass filler waterproof?

This waterproof filler is ideal for repairing dime size or smaller (up to 1/2″) rusted-out metal holes and shattered fiberglass body parts. It is compatible with all paint systems for cars and boats.

How long can bondo be left unpainted?

Between life and work, the longest time period the bondo would go Unpainted would be about 2-3 weeks.

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.

Should 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.

Which is stronger fiberglass mat or cloth?

Actually Cloth is stronger. It has continuous threads running in each direction. The mat is more like a bunch of small (1 to 2 inch) threads in various directions.

Can you use fiberglass resin without the cloth?

Suitable for a tremendous range of projects, Bondo® Fiberglass Resin can stand alone or be used with backing strips, tape, cloth or fiberglass mat for jobs where you need reliable strength.

What is GP resin?

The general purpose polyester resin is a quick curing unsaturated polyester resin based on Orthophthalic raw material for laminating purpose. It is un-accelerated. … The resin offers excellent mechanical properties, impact and water resistance.

Can you repair fiberglass?

Fiberglass is rather easy to repair. … Fill the crack with a fair amount of fiberglass epoxy resin, using a plastic applicator. Make sure the crack is completely filled. Let the epoxy dry for a day.

What's the best Bondo to use?

  • 3M Bondo 261 Lightweight Car Body Filler.
  • Permatex 25909 Liquid Metal Filler.
  • Evercoat 156 Lightweight Car Body Filler.

Will fiberglass stick to rusty metal?

Fiberglass is a very durable material that will bond to almost any surface, including plastic, metal, wood and Styrofoam.

How do you attach fiberglass to metal?

  1. Sand and smooth the metal piece to which you will attach the fiberglass with a disc sander, or regular sandpaper for smaller jobs. …
  2. Mix the two-part epoxy together in a bucket, cup or bowl. …
  3. Brush the two-part adhesive onto the metal that will be attached to the fiberglass.

How do you fill holes in metal without welding?

Epoxy or Tape Epoxy and tape are two common no-weld hole repair options. These do-it-yourself approaches are effective when repairing a small hole rather than a significant tear. Specialty epoxy and tape products are designed to patch steel and metal.

Should I use fiberglass or body filler?

Both fiberglass fillers are stronger than regular body filler. The long hair filler provides the most strength out of the two. However, these fillers are very difficult to sand. The filler is also thick, which makes it hard to level and smooth like regular body filler.

How thick can fiberglass filler be?

Maximum filler thickness should not exceed 1/4 inch.

Can a body shop repair fiberglass?

Auto-body repair shops often use fiberglass for repairs because it will bond to metal and offer a long-lasting, durable repair. … Fiberglass is easy to work with and very inexpensive to use as a repair material.

Is bondo epoxy or polyester?

Bondo is a trade name for a common automotive filler that is polyester resin and typically talc. The Bondo name is used like Kleenex to refer to any mix of polyester filler. Epoxy is not polyester.

What is fairing fiberglass?

Fairing a small area of fiberglass cloth that didn’t quite get filled in by the epoxy overcoats after wet layup and before priming and finishing. Reshaping and fairing damaged underwater appendages such as the rudder and keel for added speed.

Can you put resin over bondo?

The resin would work good as long as there isnt to much bondo under it.