Top 9 Fiberglass Filler Marine – Automotive Sealants

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1. TotalBoat


Aluminum and Steel 2 Pint Kit, TotalBoat-434282 TotalFair Marine Epoxy Fairing Compound for Fiberglass, Wood

TotalBoat #ad - Marine-grade putty is also great for home, holes and gouges on your boat, lightweIGHT TWO-PART EPOXY FILLER smooths out the rough spots and fills the voids; ideal for filling and fairing dents, rv and auto repair. High-strength, canoe or other watercraft.

Cures fast. Creamy smooth consistency makes it easy to spread and feather to a fine edge; won't sag on vertical and overhead surfaces. Easy to mix and apply: foolproof 1 to 1 mix ratio - just mix the blue and yellow components until they turn green. Before applying gelcoat, apply TotalBoat 2-Part Epoxy Primer or TotalProtect over TotalFair. Easy to sand and paint: quick-drying compound is ready to sand in just 3 hours at 80°F; cured fairing compound sands easily; compatible with latex and epoxy primers and paints.

Super smooth finish for permanent, waterproof repairs: Marine filler bonds strongly to damaged areas and cures without pinholes on wood, aluminum, steel and fiberglass repair areas; cured TotalFair is waterproof; use above and below the waterline. Note: totalboat gelcoat should not be applied directly over TotalFair or gelcoat will not cure properly. Choose kit size: 2-pint kit, 2-quart kit or 1-gallon kit.
BrandTotalBoat #ad
ManufacturerTotalBoat #ad
Part Number434282

2. Evercoat


Fibreglass Evercoat 632 Everglass Short Strand Fiber Reinforced Filler, Quart

Evercoat #ad - Zinc compatible with znx-7 for the ultimate in adhesion and corrosion resistance over steel, galvanized steel and aluminum. Thermal co-efficiency offers tremendous ability to prevent repair mapping. Contains a combination of short strand fibers and Kevlar for superior strength, durability, and prevention of stress cracks in high stress areas. Rustproof and waterproof. Can be used over metal and rigid plastics. Hardener comes along with the product.
BrandEvercoat #ad
ManufacturerEvercoat #ad
Height4.2 Inches
Length4.2 Inches
Weight1 Pounds
Width4.7 Inches
Part Number100632



Hobbies, Housewares, Appliances, Equipment Maintenance, Camping, SOLAREZ UV Cure Extreme Resin 3.5 Oz Heavy Duty Ceramic Fiberglass Filler Sealant Resin ~ DIY, Sporting Goods, Marine, Crafts, Garden

SOLAREZ #ad - Fiber reinforced Resin with Heavy Duty Ceramic Fibers. Solar and uv activated Catalyst for Incredibly Fast Cure. Extreme strength from -20 degrees up! truly amazing! when you require extreme strength or corrosion resistance, Solarez EXTREME is Simply Incredible! Use solarez extreme for: marine - automotive - sporting goods - housewares & Appliances - Camping & Backpacking - Home & Garden - Hobbies & Crafts - Agriculture - Pool Equipment - Industry.
BrandSOLAREZ #ad
ManufacturerWahoo International, Inc #ad
Height0.8 Inches
Length8.8 Inches
Weight0.15 Pounds
Width2.8 Inches
Part Number77390

4. J-B Weld


2 oz., J-B Weld 8272 MarineWeld Marine Epoxy

J-B Weld #ad - J-b weld delivers superior performance, quality, and results for the World’s Strongest Bond. Our heavy duty epoxy and adhesives repair & restore it right the first time. When fully cured, MarineWeld is waterproof and resistant to petroleum, chemical and acid.

Versatile and dependable: j-b weld marineweld is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit 287 degrees Celsius. Do it yourself: big or small, you can diy it with j-b weld. Perfect for all DIY marine and watercraft repairs. Cure and set time: after mixing the tubes at a 1:1 ratio, it takes 4-6 hours to set and 16-24 hours to cure.

Once cured j-b weld marineWeld can be tapped, filled, sanded, molded and drilled. J-b weld marineweld’s set and cure color is dark grey. It retains strength above & below water. Surface applications: Aluminum, Metal, Fiberglass, Plastic/Composite, Wood. J-b weld marineweld: a two-part epoxy cold weld system that provides strong, lasting repairs to multiple surfaces.
BrandJ-B Weld #ad
ManufacturerJBWeld #ad
Height1.5 Inches
Length8 Inches
Weight0.15 Pounds
Width5 Inches
Part Number8272UK

5. Evercoat


Fibreglass Evercoat 942 Fiberglass Matting, 8 Square Foot, 100940

Evercoat #ad - Package weight : 04 kilograms. New and improved formula. Package dimensions: 4. 2 l x 19. 2 h x 16. 8 w centimeters. Also molds and builds for repair of curved surfaces on fiberglass objects.
BrandEvercoat #ad
ManufacturerITW EVERCOAT #ad
Height5 Inches
Length2.9 Inches
Weight0.79 Pounds
Width6.4 Inches
Part Number100940

6. Bondo


00432, 1 Quart, Bondo Fiberglass Resin Jelly

Bondo #ad - Use during the fill stage of the 3M Body Repair System. Compatible with most paints. Ideal for vertical surfaces. Fills small holes and can be used with backing strips, fiberglass mat or cloth. Sandable in as little as 20 minutes. Non-drip resin jelly spreads easily and won’t run for cleaner and easier repairs. Use with bondo Fiberglass Cloth or Mat for stronger repairs. Includes bondo Red Cream Hardener. Waterproof formula works for cars and boats. Paintable.
BrandBondo #ad
Manufacturer3M AAD Consumer (Domestic) #ad
Height7 Inches
Length5 Inches
Weight2.9 pounds
Width5 Inches
Part Number432

7. 3M


10.5 fl oz., 3M 08609 Window-Weld Super Fast Urethane Black Cartridge

3M #ad - 3m professional caulking gun - pn08993, 3M Threaded Cartridge Nozzle - PN08187. Thick bondline may allow some non-structural body panel applications. Bonds replacement auto glass to car bodies.
Brand3M #ad
Manufacturer3M #ad
Height0.3 Inches
Length1.4 Inches
Weight0.9 Pounds
Width0.75 Inches
Part Number08609
WarrantyManufacturer Warranty

8. 3M


Dynatron 3 Pack Spreaders, 358

3M #ad - Cured material easily pops off the spreader surface for fast reuse. Basic tools for better application of products. Non-absorbent surface keeps filler and spreader clean and ready for use. 4”, 5” and 6” spreader pack ensures the right size for the job, improving efficiency and results. Flexible edge allows for easy and accurate spreading of fillers, caulks, glazes and putties.
Brand3M #ad
Manufacturer3M #ad
Height0.5 Inches
Length7 Inches
Weight0.18 Pounds
Width7 Inches
Part Number358
Warranty1 yr warranty on material and workmanship

9. Bondo


Bondo Glass Reinforced Filler, 00272, 1 Quart

Bondo #ad - Use during the fill stage of the 3M Body Repair System. Ideal to repair metal, wood, concrete, masonry and fiberglass. Waterproof formula works for cars and boats. Ideal for repairing rust-out and rust hole repairs. Covers small up to ½” holes without the need for backing strips, fiberglass resin or cloth. Includes bondo Red Cream Hardener. Bondo glass reinforced Filler formula is stronger than traditional lightweight filler. Sandable in as little as 20 minutes for quick repairs. Can be paired with body filler and glaze for complete repairs. Compatible with most paints.
BrandBondo #ad
Manufacturer3M AAD Consumer (Domestic) #ad
Height6.5 Inches
Length4.4 Inches
Weight2.56 Pounds
Width4.4 Inches
Part Number272