How long does Bondo last on wood?

10 years on they are fine. Maine certainly is a severe climate in terms of temperature variations, so I have to believe that proper preparation is the key to using this product. Doen't mean there's anything wrong with the others mentioned above, but cost savings in using Bondo are considerable.
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Will Bondo stop wood rot?

Wood rot is a common issue for most homeowners, regardless of where you live. Fortunately, it can be easily repaired with the right products. Bondo® Rotted Wood Restorer will solidify soft and spongy wood by penetrating into the wood surface to create a solid base and stop rot quickly.
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Is Bondo good wood filler?

It is exceptionally strong — you can use Bondo® Wood Filler to rebuild rotted or missing pieces of wood for larger non-structural repairs. The filler cures fast and can be easily sanded by hand or power tools in only 15 minutes.
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Can you Bondo over wood?

You can repair wood with Bondo to make it look as good as new. If you have an older home and have had estimates for replacing old, rotted-out window and door sills, you know how expensive it can be. Bondo, the same product used as auto-body epoxy filler, has been used by handymen for years to repair damaged wood.
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Will Bondo wood filler crack?

Bondo wood filler is what I use the most for repairing damaged wood I'm painting, especially cabinets. I've used this two-part filler multiple times to fill large cracks and hardware holes in cabinet doors. The filler dries very hard without cracking.
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Bondo is a lifesaver for woodworkers!



What is the strongest wood filler?

Coming in as our number one pick is DAP Plastic Wood. This all-purpose, solvent-based wood filler is formulated with real wood fibers. It looks and acts like actual wood, except once it hardens, it's three times as strong.
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What will Bondo not stick to?

Clean and sand or scuff the surface to prepare it for body filler — it will not adhere to smooth, dirty or oily surfaces. Generally, if paint will stick, so will Bondo. 7. Conversely, if there's an area you don't want Bondo to stick to, apply a release agent (see tools and materials) or use Scotch tape or wax paper.
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Is Bondo waterproof?

Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof. Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.
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Does Bondo take stain?

This durable product is formulated to accept stain and paint more naturally than most wood filler products. For rotted wood problems, use Bondo Home Solutions Rotted Wood Stabilizer before applying the wood filler.
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Is wood filler permanent?

Once the stainable wood filler is dry, it will remain permanently bonded to the wood around it and will not shrink over time or with changing weather conditions. The dried filler can also be sanded, painted, and stained to ensure a uniform appearance.
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How strong is Bondo?

Bondo is amazingly strong and is very easy to work with. The mixing ratio seemed vague so I went with 8 drops per 3-4 grams, on wax paper on top of a scale.
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How long should Bondo set before sanding?

When used according to the manufacturer's recommendations, Bondo takes 10 to 15 minutes to dry enough to form a sandable surface. After 45 minutes it's cured enough to be painted.
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Will auto body fillers stick to wood?

Auto Body Filler Is For More Than Cars. A winner for a variety of wood gluing and other repairs! Auto body filler is an excellent wood filler and adhesive. It sets up quickly, has great adhesive properties.
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How do you fill large holes in rotted wood?

8 Ways to Fill Large Holes in Wood
  1. Wood Putty. Wood putty is a compound used to repair holes in wood. ...
  2. Two Part Epoxy Products. There are a few different ways to fill wood holes with epoxy. ...
  3. Wood Glue with Toothpicks. ...
  4. Wax Candle. ...
  5. Wood Plugs + Wood Dowels. ...
  6. Sawdust/Glue. ...
  7. Baking Soda & Vinegar. ...
  8. Elmer's Glue Stick.
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Can you stop wood rot once it starts?

Boric acid (borate) is one of the most effective fungicides for use in treating wood rot. It can be applied to wood during construction to prevent future rot, or as a treatment to stop an active decay fungus from growing.
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Can I use Flex Seal on rotted wood?

Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl. Plus, it won't sag or drip in the summer heat, and it won't crack or peel in the winter cold. It even prevents corrosion.
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Will vinegar stop wood rot?

White vinegar will stop wood rot because it is a fungicide, which has antimicrobial properties. As wood rot is caused by fungi that require an acidic environment ranging from 0-5.5 (pH), white vinegar solves the problem by changing the pH level in the wood.
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What is the difference between Bondo and Bondo wood filler?

The biggest advantage of using Bondo over a regular wood filler is the short dry time. Wood filler can take hours to dry and require more than one coat. Bondo dries in less than 30 minutes and only requires one coat! This means more projects in less time.
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What is the difference between Bondo stage 2 and 3?

Stage 2 – Fill. This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting. Stage 3 – Paint. This stage includes painting the area and blending and smoothing primer and paint.
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How thick can Bondo be applied?

There is no minimum thickness for Bondo, but there is absolutely a maximum. You do not want to apply body filler to anything that is thicker than about a 1/4”. That does not mean it can't be done, but the repair will not last as long. Eventually the filler will shrink and possibly crack, or even pop off!
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How long does Bondo take to harden?

Apply additional layers until desired thickness is reached. 6. Allow the putty to dry 15 minutes at 77 degrees F (25 degrees C). In cooler climates, putty may take 20-30 minutes to dry.
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Is Bondo wood filler an epoxy?

Bondo is an epoxy with fillers so, in a way, you're both right. I'd suggest using Famowood wood filler as an alternative. It's considerably less expensive and performs quite well.
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What is the best surface to mix Bondo on?

1. Mix on a Spreader Mixing Board designed for the job. Do not mix on cardboard, cardboard will absorb the important resins from the body filler and hardener. Lay down your filler and then apply the correct amount of hardener.
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