3M Bondo Hair Long Strand Fiberglass Reinforced Filler, 1 Quart | High-Strength Repairs for Metal, Fiberglass, and Wood
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Description
xOverview
Meet the 3M Bondo-Hair Long Strand Fiberglass Reinforced Filler, built to tackle demanding repairs with confidence. Its unique blend weaves long fiberglass strands into a durable paste, delivering enhanced strength for rebuilding missing sections and filling large rust holes. The waterproof formula is suitable for automotive and marine projects alike, and it accepts most paints and paint systems for a seamless finish.
Key Benefits
- Long strands deliver twice the strength of standard body filler, helping support larger repairs.
- Fill holes up to 1 inch wide without backing strips, cloth, or mat for quicker restoration.
- Versatile performance on fiberglass, metal, and wood surfaces, reducing the need for multiple products.
- Fast-dry formula allows sanding in about 20 minutes, speeding up project timelines.
- Compatible with most paints and paint systems to simplify finishing steps.
- Waterproof formula supports use in wet or marine environments without compromising adhesion.
- Ideal for challenging tasks like rebuilding missing pieces or repairing shattered fiberglass.
- Includes Bondo Red Cream Hardener for reliable curing and surface-ready results.
Applications and Real-Life Scenarios
This filler is designed for projects where a strong, durable rebuild is needed. Picture restoring a classic car with rust holes, rebuilding a missing corner on a fiberglass boat, or patching damaged panels on a vintage trailer. The long-strand reinforcement helps maintain shape during shaping and sanding, while the waterproof formulation resists moisture exposure in demanding environments.
How It Fits into the 3M Body Repair System
Use during the Fill stage of the 3M Body Repair System to achieve a solid starting point for bodywork. The product is designed to work in conjunction with compatible surface preparation and finishing steps, providing a reliable base for subsequent blocks, reshaping, and final finishes.
What You Get
- 1 quart of Bondo-Hair Long Strand Fiberglass Reinforced Filler
- Bondo Red Cream Hardener for proper curing
FAQ
Q: What surfaces can 3M Bondo-Hair Long Strand Fiberglass Filler be used on?
A: Fiberglass, metal, and wood surfaces.
Q: How long before you can sand after application?
A: Sandable in about 20 minutes with the fast-dry formula.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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