does bondo come with the hardner

Yes, it comes with the hardener. You will find it when you take off the clear/white plastic lid.

Do I have to use fiberglass patch before applying the Bondo body filler? Or I can use it without the fiberglass patch on the car

Whether or not you use a fiberglass screen/cloth embedded in the Bondo depends on the job you are doing. I've seen people use this stuff a half inch thick or more without any fiber glass reinforcement. I'd definitely forgo the fiberglass with 1/4" or less. If the dent is on an old car fender that will flex some when you hit pot holes, and the dent is more than about 1/8" then fiberglass may help avoid cracking of the Bondo. Most important is drilling a grid of holes about 1/8" diameter and spaced about 3/4" apart over the area to be filled. You will push some Bondo through those holes to help lock the Bondo onto the metal. Of course surface preparation is also important to adhesion. Follow instructions carefully for that. If you do use fiberglass, be sure there is a layer of Bondo under it as well as on top of each layer of glass and work the Bondo into it well. I.e., the glass needs to be fully embedded in Bondo. Bondo does not work on things like a plastic bumper that naturally flexes (Bondo does not flex much). There are special products and procedures for repairing plastic front/rear covers.

Is this stuff water proof?

Yes it is. We used it to seal the new cabinet on our hot tub. It was recommended by the company who services the tub. No problems. Hope this helps.

Can you add color to this before you use it ?

Use a colored hardner close to the color you want or do the red/blue=purple.

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3M Bondo 261 Lightweight Filler Pint Can (14 Oz)

3M Bondo 261 Lightweight Filler Pint Can (14 Oz)

Product ID: 211716847

Details

Brand
3M
Item Form
Putty
Material
Paste
Special Feature
Specific Uses For Product

⏱️20-min fast cure

⚖️Lightweight formula

🛠️Multi-surface compatible

€ 77.32

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Fix it fast, fix it light, fix it right!

TRUSTED 3 M QUALITY - Join thousands of pros who rely on the #1 filler for dent, ding, and rust repairs.
RAPID 20 MINUTE CURE - Get back on the road the same day with ultra-fast drying time.
FEATHERLIGHT APPLICATION - Easily spread a smooth, non-shrinking filler that won’t weigh you down.
PRECISION COLOR INDICATOR - Salmon hue signals perfect mix with red cream hardener for flawless results.
UNIVERSAL SURFACE MASTERY - Seamlessly repairs wood, steel, aluminum, fiberglass, and concrete.

3M Bondo 261 Lightweight Filler is a professional-grade, two-part putty designed for quick, durable repairs on multiple surfaces including metal, wood, and fiberglass. Its original formula cures in just 20 minutes, features a non-shrinking, lightweight consistency, and includes a color-change indicator for perfect mixing. Ideal for automotive restoration and bodywork, it delivers smooth, paintable finishes trusted by thousands of users.

Specifications

ASIN	B0007ZG9TO
Best Sellers Rank	#121,167 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #111 in Fillers, Adhesives & Sealants
Brand Name	3M
Colour	Salmon
Compatible Material	Alloy Steel, Aluminium, Concrete, Fibreglass, Wood
Container Type	Can
Country of Publication	USA
Customer Reviews	4.5 4.5 out of 5 stars (4,041)
Full Cure Time	20 Minutes
Global Trade Identification Number	00076308002619
Included Components	Lightweight Filler
Item Form	Putty
Item Package Quantity	1
Item Type Name	Lightweight Filler
Item Weight	1 Pounds
Manufacturer	3M
Manufacturer Part Number	261
Material Type	Paste
Model	261
Number of Pieces	1
Other Special Features of the Product	special_feature
Specific Uses For Product	specific_uses_for_product
UPC	076308002619
Unit Count	1.0 Count
Viscosity Level	Medium
Volume	414 Millilitres
Water Resistance Level	Not Water Resistant

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