How to Fix a Cracked Fiberglass Ladder

If you have a cracked fiberglass ladder, don’t panic! There are several ways to fix it. In this blog post, we’ll show you how to do it yourself using simple tools and materials. We’ll also give you tips on how to prevent your ladder from cracking in the first place. So read on to find out more about how to fix a cracked fiberglass ladder.

Summary: Fixing a broken ladder can be tricky, but with the right tools and instructions, it’s possible. First, find a level surface to place the ladder on. Next, remove any debris or nails that may be stuck in the ladder’s rungs. Finally, use a hammer and a chisel to fix the ladder into the surface.

How to Fix a Cracked Fiberglass Ladder

What Is a Cracked Fiberglass Ladder?

Ladders are essential when you need to get from one level to another, and come in a variety of materials including wood, aluminum, and fiberglass. Fiberglass is a popular choice for ladders because it is both strong and lightweight.

However, fiberglass is not invulnerable to cracking. Cracks can form in fiberglass ladders for several reasons, including impact damage or exposure to extreme temperatures. Improper maintenance can also lead to cracks. Once a crack forms, it can weaken the ladder and make it unsafe.

Why It’s Important to Fix a Cracked Fiberglass Ladder?

A ladder is an important tool for many projects around the house, but if it is damaged it is important to fix it. A cracked fiberglass ladder may still look usable, but it can be dangerous and lead to more expensive repairs.

When a ladder is cracked, the fibers that make up the structure of the ladder are weakened. This makes the ladder more susceptible to breaking, which can cause serious injury. If you notice any cracks in your ladder, stop using it immediately and inspect it for damage.

A cracked ladder is not only less stable and harder to climb, but it can also make completing projects more difficult. By taking the time to repair a crack in your fiberglass ladder, you can avoid these risks and keep your ladder in top condition for years to come.

Repair a Crack Fiberglass Ladder

How to Fix a Cracked Fiberglass Ladder Step by Step Guide

Step 1: Gather Necessary Tools and Materials

Before you begin, collect the following tools and materials to ensure a smooth and efficient repair process:

  • Fiberglass repair kit (containing fiberglass cloth, resin, and hardener)
  • Sandpaper (80, 120, and 220-grit)
  • Scissors
  • Disposable gloves
  • Mask or respirator
  • Safety glasses
  • Clean cloth or microfiber towel
  • Acetone or rubbing alcohol
  • Mixing container and stir sticks
  • Paintbrush or roller
  • Paint (if necessary)

Step 2: Safety Precautions

Put on disposable gloves, a mask or respirator, and safety glasses to protect yourself from dust and chemicals while working with fiberglass materials. Make sure to work in a well-ventilated area to avoid inhaling harmful fumes.

Step 3: Clean and Inspect the Cracked Area

Examine the ladder to determine the extent of the crack and the affected area. Clean the cracked area and surrounding surfaces with a clean cloth dampened with acetone or rubbing alcohol to remove any dirt, grease, or debris.

Step 4: Sand the Cracked Area

Using 80-grit sandpaper, sand the cracked area and the surrounding surface to create a rough texture for better adhesion of the fiberglass repair materials. Be sure to sand at least 2-3 inches around the crack to ensure proper bonding.

Step 5: Cut Fiberglass Cloth

Using scissors, cut the fiberglass cloth provided in the repair kit into pieces large enough to cover the crack and extend at least 2-3 inches beyond the crack on all sides. Cut multiple layers of fiberglass cloth if the crack is deep or wide.

Step 6: Mix Resin and Hardener

Following the manufacturer’s instructions, mix the resin and hardener in a mixing container using a stir stick. Ensure that the two components are thoroughly combined for proper curing.

Step 7: Apply the First Layer of Fiberglass Cloth

Dip the paintbrush or roller into the mixed resin and apply a generous layer of resin to the sanded area on the ladder. Place the first layer of fiberglass cloth over the crack, ensuring that it extends beyond the crack on all sides.

Step 8: Apply Resin to the Fiberglass Cloth

Using the paintbrush or roller, apply a layer of resin over the fiberglass cloth, making sure that the cloth is completely saturated and there are no air bubbles. Press down on the cloth to ensure proper adhesion to the ladder’s surface.

Step 9: Apply Additional Layers of Fiberglass Cloth (If Needed)

If the crack is deep or wide, apply additional layers of fiberglass cloth, repeating steps 7 and 8 for each layer. Ensure that each layer is fully saturated with resin and firmly pressed onto the ladder’s surface.

Step 10: Allow the Fiberglass Repair to Cure

Allow the fiberglass repair to cure according to the manufacturer’s recommended curing time. This can vary depending on the specific repair kit and the ambient temperature, so be sure to follow the instructions carefully.

Step 11: Sand the Repair Area

Once the fiberglass repair is fully cured, use 120-grit sandpaper to sand the surface until it is smooth and level with the surrounding area. Follow up with 220-grit sandpaper for a smoother finish.

Step 12: Clean the Repair Area

Wipe down the repaired area with a clean cloth dampened with acetone or rubbing alcohol to remove any dust or residue.

Step 13: Apply Paint (If Necessary)

If the ladder requires painting to match its original appearance, apply a matching paint to the repaired area following the paint manufacturer’s instructions. Allow the paint to dry according to the recommended drying time.

Step 14: Inspect the Repair

Inspect the repaired area to ensure that the crack has been properly addressed and that the fiberglass repair is smooth and well-blended with the surrounding surface. The ladder should now be safe and functional for use.

Step 15: Test the Ladder’s Stability

Before using the ladder, test its stability by placing it on a firm, level surface and gently applying weight to the repaired area. Ensure that the ladder is secure and does not wobble or flex excessively. If the ladder is unstable or if the repair does not seem strong enough, it may be necessary to seek professional assistance or consider replacing the ladder altogether.

Step 16: Store the Ladder Properly

To prevent future damage, store the ladder properly when not in use. Keep it in a dry, protected area away from direct sunlight and extreme temperatures. Avoid placing heavy objects on the ladder or stacking items on top of it.

By following these steps, you can effectively repair a cracked fiberglass ladder and restore its functionality and safety. Properly treating and reinforcing the cracked area with fiberglass cloth, resin, and hardener will not only improve the ladder’s appearance but also help prevent future cracks from forming. Regular inspection and proper storage of the ladder can further extend its lifespan and ensure safe use for years to come.

How Do You Fix a Broken Ladder?

If you have a broken ladder, the first thing you need to do is assess the damage. If the ladder is made of wood, metal, or fiberglass, you’ll need to determine if the material can be repaired or if it needs to be replaced. Once you’ve assessed the damage, you can proceed with fixing the broken ladder.

If the ladder is made of wood, metal, or fiberglass, you’ll need to use a sturdy repair kit. First, remove any splinters or shards from the damaged area. Next, apply the adhesive to the surface and secure the pieces with clamps. Allow the adhesive to dry for several hours before using the ladder again.

If the ladder is made of plastic, you may be able to repair it with a little glue. First, clean the surface of the plastic so that the glue will adhere properly. Next, apply a generous amount of glue to the surface and then press the two pieces of plastic together. Finally, allow the glue to dry for several hours before using the ladder again.

Ladder Is Made of Plastic

You can fix a broken ladder and avoid costly replacements with a little patience and effort. By taking the time to repair your ladder, you can extend its lifespan and keep it in top condition for years to come.

Frequently Asked Question

What Do You Use to Seal a Fiberglass Ladder?

There are many different ways that you can use to seal a fiberglass ladder. For example, you can use a clear epoxy resin, a polyester resin, or even a two-part polyurethane sealer. Whichever type of sealer you choose, make sure that it is designed for use with fiberglass and that it will not damage the ladder. Also, follow the manufacturer’s instructions carefully when applying the sealer.

Can You Epoxy Over Fiberglass?

Yes, you can epoxy over fiberglass. However, you need to ensure that the fiberglass is clean and free of any debris or oils before applying the epoxy. You should also roughen the surface of the fiberglass so that the epoxy will adhere better.

Can Polyurethane Be Used on Fiberglass?

Yes, polyurethane can be used on fiberglass. It is a good sealant and will help prevent water and other elements from entering the crack and causing further damage.


There is no need to panic if you have a cracked fiberglass ladder. You can fix the ladder yourself without having to purchase a new one. All you need is some epoxy and a few simple tools. Follow these steps, and your ladder will be as good as new in no time at all! Thanks for reading our post about how to fix a cracked fiberglass ladder.

Leave a Comment