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Weld Mount System
Weld Mount Polybonder 50ml Cartridge #AT-9500
$54.17
$65.00
Weld Mount System AT-9500 Adhesives & SealantsAT-9500 Polybonder Cartridge - 50mlFeatures:
Adhesively bonded fastening systems
Plastic Bonder: PP, PE & PTFE
50ml
MMA Acrylic Adhesive
Made in the U.S.A.
Normalized SKU: AT9500
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Accumetric
Accumetric 100 Silicone Sealant White 10.1 oz #142173
$12.60
$15.04
Accumetric 142173 Adhesives & Sealants
Professional-grade silicone sealant engineered for marine applications requiring superior adhesion and flexibility. This white formulation delivers excellent UV resistance and maintains elasticity across temperature fluctuations, making it ideal for deck seams, window frames, and through-hull fittings. Cure time and application temperature specifications ensure reliable performance in demanding saltwater environments.
Normalized SKU: 142173UPC Code: 787930315014
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Accumetric
Accumetric 100 Silicone Sealant Black 10.1 oz #142171
$12.60
$15.04
Accumetric 142171 Adhesives & Sealants
High-performance black silicone sealant formulated for marine sealing applications where durability and weather resistance are critical. This elastomeric compound resists UV degradation, maintains flexibility in extreme temperatures, and bonds reliably to fiberglass, metal, and composite surfaces. Ideal for hull repairs, cabin seals, and structural joints exposed to continuous saltwater and sun exposure.
Normalized SKU: 142171UPC Code: 787930315021
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Accumetric
Accumetric 100 Silicone Sealant Clear 10.1 oz #137616
$12.60
$15.04
Accumetric 137616 Adhesives & Sealants
Transparent silicone sealant engineered for marine applications where visibility and aesthetics matter alongside performance. This clear formulation provides exceptional UV stability, maintains elasticity across temperature extremes, and creates waterproof seals on windows, portholes, and transparent cabin components. Superior adhesion to glass, acrylic, and metal surfaces ensures long-term reliability in harsh marine environments.
Normalized SKU: 137616UPC Code: 787930315007
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LaSalle Bristol
LaSalle Bristol 270 XTRM Universal Self Level Gray #270341433B
$9.70
$11.58
LaSalle Bristol 270341433B Adhesives & Sealants
It is a durable, UV-resistant sealant that adheres to multiple roof types and is designed for horizontal surfaces.
Application: A self-leveling paste designed for sealing and securing roof edges, air vents, vent pipes, and screw heads on RVs.
Adhesion: The sealant is formulated for use with EPDM, TPO, and PVC roofing without needing a primer. It can also adhere to aluminum, brass, steel, glass, mortar, and wood surfaces.
Color: The sealant is gray.
Flexibility: The weatherproof and UV-resistant seal remains flexible for years, resisting shrinkage and yellowing over time.
Size: This product is sold as a 10.1-ounce tube and is applied with a standard caulking gun.
Made in the USA: The sealant is manufactured in the United States.
Normalized SKU: 270341433BUPC Code: 040472869170
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Alpha Systems
Alpha Systems 5121 Alphathane Self-Leveling Sealant White 9.8 oz #862215
$17.08
$20.39
Alpha Systems 862215 Adhesives & Sealants
Alpha Systems 5121
Alphathane Self-Leveling Sealant
White
9.8 oz
Normalized SKU: 862215
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Novagard
Novagard NovaFlex Pro Sealant Sandstone #NFX1910-10C1
$13.61
$16.24
Novagard NFX1910-10C1 Adhesives & Sealants
NovaFlex Pro Premium Adhesive Sealant is a 100% neutral cure silicone that can handle any job, including sealing windows, doors, siding, and metal roofs & panels. It offers superior adhesion that bonds to most building materials without corroding. NovaFlex Pro is permanently flexible and easily gunned at all temperatures.
Impervious to UV
No solvents or odors
All-weather formula
Waterproof
Mold and mildew resistant
Will not shrink or crack
24-month shelf life
20-year limited warranty
Normalized SKU: NFX191010C1UPC Code: 851599003190
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Novagard
Novagard NovaFlex Pro Sealant Beige #NFX1400-10C1
$13.61
$16.24
Novagard NFX1400-10C1 Adhesives & Sealants
NovaFlex Pro Premium Adhesive Sealant is a 100% neutral cure silicone that can handle any job, including sealing windows, doors, siding, and metal roofs & panels. It offers superior adhesion that bonds to most building materials without corroding. NovaFlex Pro is permanently flexible and easily gunned at all temperatures.
Impervious to UV
No solvents or odors
All-weather formula
Waterproof
Mold and mildew resistant
Will not shrink or crack
24-month shelf life
20-year limited warranty
Normalized SKU: NFX140010C1UPC Code: 851599003299
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Novagard
Novagard NovaFlex Pro Sealant Grey #NFX1150-10C1
$13.61
$16.24
Novagard NFX1150-10C1 Adhesives & Sealants
NovaFlex Pro Premium Adhesive Sealant is a 100% neutral cure silicone that can handle any job, including sealing windows, doors, siding, and metal roofs & panels. It offers superior adhesion that bonds to most building materials without corroding. NovaFlex Pro is permanently flexible and easily gunned at all temperatures.
Impervious to UV
No solvents or odors
All-weather formula
Waterproof
Mold and mildew resistant
Will not shrink or crack
24-month shelf life
20-year limited warranty
Normalized SKU: NFX115010C1UPC Code: 851599003152
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Novagard
Novagard NovaFlex Pro Sealant Black #NFX1100-10C1
$13.61
$16.24
Novagard NFX1100-10C1 Adhesives & Sealants
NovaFlex Pro Premium Adhesive Sealant is a 100% neutral cure silicone that can handle any job, including sealing windows, doors, siding, and metal roofs & panels. It offers superior adhesion that bonds to most building materials without corroding. NovaFlex Pro is permanently flexible and easily gunned at all temperatures.
Impervious to UV
No solvents or odors
All-weather formula
Waterproof
Mold and mildew resistant
Will not shrink or crack
24-month shelf life
20-year limited warranty
Normalized SKU: NFX110010C1UPC Code: 851599003145
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Novagard
Novagard NovaFlex Sealant Canvas #M107
$8.76
$10.45
Novagard M107 Adhesives & Sealants
NovaFlex Multi-Purpose Adhesive Sealant
Novagard Solutions Novaflex Multi-Purpose Sealant is a premium all-weather formulation that stays flexible and resistant to cracking, discoloration, and mildew. This quality silicone is tack-free in 10 minutes and completely cures in up to 2 days. It adheres to vinyl, aluminum, wood, steel, fiber cement, and EPDM. This product features a removable tip and plastic tube and is VOC compliant. The Novaflex® Multi-Purpose Sealant is recommended for sealing windows, doors, siding, trim, flashing, gutters, and metal roofs. Shelf life 18 months.
Color: Canvas
Size: 10.3 oz.
Normalized SKU: M107UPC Code: 851599003138
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SEM Products
SEM XXX Specialty Gel Adhesive Remover 20 oz Aerosol Can #77793
$20.15
$24.05
SEM Products 77793 Adhesives & SealantsXXX Specialty Gel Adhesive Remover - 20oz Aerosol CanXXX Specialty Gel Adhesive Remover is a solvent-based gel for removing adhesive residue as well as tar, sap, silicone, grease and oil from interior or exterior surfaces. Gel formula stays in place on vertical and horizontal panels and evaporates more slowly than typical solvent adhesive removers. Features:
Unique gel improves efficiency and eliminates product waste
50 state compliant
Slow-evaporating formula stays wet long enough to soften adhesive
Run-resistant gel stays where you spray it
Quick acting
Dissolves adhesive residue, tar, sap, and more
Available in a convenient aerosol
Ideal for use on interior or exterior surfaces
Applications:
Plastic
Leather
Vinyl
OEM panels
Cured two-component finishes
Glass
Bare aluminum
Bare steel
Normalized SKU: 77793UPC Code: 646786777936
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SEM Products
SEM XXX Universal Adhesive Remover 16 oz Aerosol Can #77783
$15.50
$18.50
SEM Products 77783 Adhesives & SealantsXXX Universal Adhesive Remover - 16oz Aerosol CanXXX Specialty Adhesive Remover is a solvent blend for removing adhesive residue as well as tar, sap, silicone, grease and oil from interior or exterior surfaces.Features:
Quick-acting formula
50 state compliant
Dissolves adhesive residue, tar, sap, and more
Available in convenient aerosol or quart cans
Ideal for use on interior or exterior surfaces
Strong solvent
Clear
Applications:
Plastic
Leather
Vinyl
OEM panels
Cured two-component finishes
Refinished panels
Glass
Bare aluminum
Bare steel
Normalized SKU: 77783UPC Code: 646786777837
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SEM Products
SEM 2-In-1 Seam Sealer 9.5 oz Tube Black #29492
$34.66
$41.37
SEM Products 29492 Adhesives & Sealants2-IN-1 Seam Sealer - 9.5oz Tube - Black2-IN-1 Seam Sealer is a beadable and sprayable, high-performance, one-component MSP seam sealer for interior or exterior seams and OEM-sprayed sound-dampening pads.Features:
OEM recommended
Direct-to-metal
Paintable immediately with most solvent-based coatings
Remains flexible without shrinking or cracking
Colors match many OEM sealers
Optimal working time
Corrosion resistant
Resistance weldable
Excellent adhesion
Applications:
Properly prepped, primed, or painted surfaces
Bare metal
Properties:
9.5 oz. Cartridge
Available in white, gray, beige, and black
Working Time: 20 min
Set Time: 1 hr
Paint Time: 0-24 hr
Normalized SKU: 29492UPC Code: 646786294921
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SEM Products
SEM 2-In-1 Seam Sealer 9.5 oz Tube White #29462
$27.90
$33.30
SEM Products 29462 Adhesives & Sealants2-IN-1 Seam Sealer - 9.5oz Tube - White2-IN-1 Seam Sealer is a beadable and sprayable, high-performance, one-component MSP seam sealer for interior or exterior seams and OEM-sprayed sound-dampening pads.Features:
OEM recommended
Direct-to-metal
Paintable immediately with most solvent-based coatings
Remains flexible without shrinking or cracking
Colors match many OEM sealers
Optimal working time
Corrosion resistant
Resistance weldable
Excellent adhesion
Applications:
Properly prepped, primed, or painted surfaces
Bare metal
Properties:
9.5 oz. Cartridge
Available in white, gray, beige, and black
Working Time: 20 min
Set Time: 1 hr
Paint Time: 0-24 hr
Normalized SKU: 29462UPC Code: 646786294624
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SEM Products
SEM 1K Seam Sealer 10.1 oz Tube Black #29392
$24.78
$29.58
SEM Products 29392 Adhesives & Sealants1K Seam Sealer - 10.1oz Tube - BlackSEM 1K Seam Sealer is a versatile, single-component sealer for sealing interior or exterior seams, joints, and voids.Features:
OEM recommended
Direct to metal
Paintable immediately
Remains flexible without shrinking or cracking
Colors match many OEM sealers
Optimal working time
Corrosion resistant
Resistance weldable
Excellent adhesion
Applications:
Properly prepped, primed, or painted surfaces
Bare metal
Properties:
10.1 oz. tube
Working Time: 5-10 min
Set Time: 20-30 min
Paint Time (solvent): 0-24 hr
Paint Time (waterborne): 1 hr
Cure Time: 4mm/24 hr
Normalized SKU: 29392UPC Code: 646786293924
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SEM Products
SEM 1K Seam Sealer 10.1 oz Tube Gray #29372
$30.95
$36.94
SEM Products 29372 Adhesives & Sealants1K Seam Sealer - 10.1oz Tube - GreySEM 1K Seam Sealer is a versatile, single-component sealer for sealing interior or exterior seams, joints, and voids.Features:
OEM recommended
Direct to metal
Paintable immediately
Remains flexible without shrinking or cracking
Colors match many OEM sealers
Optimal working time
Corrosion resistant
Resistance weldable
Excellent adhesion
Applications:
Properly prepped, primed, or painted surfaces
Bare metal
Properties:
10.1 oz. tube
Working Time: 5-10 min
Set Time: 20-30 min
Paint Time (solvent): 0-24 hr
Paint Time (waterborne): 1 hr
Cure Time: 4mm/24 hr
Normalized SKU: 29372UPC Code: 646786293726
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SEM Products
SEM 1K Seam Sealer 10.1 oz Tube White #29362
$30.95
$36.94
SEM Products 29362 Adhesives & Sealants1K Seam Sealer - 10.1oz Tube - WhiteSEM 1K Seam Sealer is a versatile, single-component sealer for sealing interior or exterior seams, joints, and voids.Features:
OEM recommended
Direct to metal
Paintable immediately
Remains flexible without shrinking or cracking
Colors match many OEM sealers
Optimal working time
Corrosion resistant
Resistance weldable
Excellent adhesion
Applications:
Properly prepped, primed, or painted surfaces
Bare metal
Properties:
10.1 oz. tube
Working Time: 5-10 min
Set Time: 20-30 min
Paint Time (solvent): 0-24 hr
Paint Time (waterborne): 1 hr
Cure Time: 4mm/24 hr
Normalized SKU: 29362UPC Code: 646786293627
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Loctite-Permatex
Loctite-Permatex Permapoxy Black Plastic Weld 25ml #84145
$9.22
$11.01
Loctite-Permatex 84145 Adhesives & Sealants
Permatex®s Black Plastic welder® forms a tough, durable bond to hard and semi-flexible plastics, aluminum, fiberglass, and more. This structural adhesive is designed for general-purpose bonding of a wide variety of materials. Black in color, ideal for automotive trim, bumper, and clip needs.
Bonds hard and soft plastics in any combination
Dries black; ideal for automotive trim, bumper, and clips needs
Permanent strength up to 3500 PSI
Can be drilled, threaded, machined, or painted once cured; Gap filling to 0.125"
Sets in 5 minutes, cures in 10 minutes
Normalized SKU: 84145UPC Code: 20686226841456
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Loctite-Permatex
Loctite-Permatex Sealant Form-A-Gasket 16 oz #80017
$31.22
$37.26
Loctite-Permatex 80017 Adhesives & Sealants
Permatex’s Aviation Form-A-Gasket No. 3 Sealant Liquid is a slow-drying, non-hardening brush-top sealant approved for use in aviation as well as automotive applications. It’s resistant to gasoline, oil, and grease.
Suggested Applications: Close-fitting machined surfaces, sealing hoses, solid gaskets.
Slow-drying, non-hardening sealant
Approved for use in aviation as well as automotive applications
Resists gasoline, oil, and grease
Temperature Range: -65°F to 400°F (-54°C to 204°C)
Normalized SKU: 80017UPC Code: 686226800176
Frequently Asked Questions
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
Yes, we offer FREE Shipping on most orders over $149 to US-48*.
Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.
- Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
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- Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
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