Fast shipping👍
Jose a Umanzor · 08/31/2026
National Supply Co.

Roll over image to zoom
Out of Stock
Earn $0.22 (22.88 points) for the purchase.
SKU: 87290-2PACK|UPC: 749460695523
Style:
Quantity
Plug Leaks, Gaps, and Cracks with Confidence:
Maxi-Seal Polyurethane Seam Sealer tackles even the toughest auto body repair challenges. This thick, single-component formula easily patches large cracks and provides superior adhesion on bare, primed, or painted metal surfaces. No more worries about leaks or rust – this sealant creates a durable, long-lasting barrier.
Complete Kit for Seamless Application:
This isn't just a Polyurethane Seam Sealer – it's a complete solution! We've included everything you need for a smooth and hassle-free application, including:
High-Quality Sealant: Formulated for superior performance on all vehicles and RVs.
Application Tip: Ensures precise and mess-free application.
Long-Lasting Performance, Guaranteed:
Maxi-Seal Polyurethane Seam Sealer boasts a non-shrinking, non-cracking, and low-odor formula that stays remarkably flexible over time. It won't let you down, even in harsh weather conditions.
Fast Curing, Easy Finishing:
Get back on the road quickly! Achieve a flawless finish that blends seamlessly with your vehicle's body.
Unmatched Versatility and All-Weather Protection:
Maxi-Seal Polyurethane Seam Sealer is built to withstand anything you throw its way. Its enhanced moisture-curing properties ensure a durable hold for both interior and exterior applications. This urethane-based formula is worlds ahead of solvent-based sealers, offering superior performance in high heat and humidity.
The Perfect Choice for Any Project:
All-Purpose Auto Body Repair: Fill gaps, joints, and seams with ease.
Rust and Corrosion Protection: Shield your car, truck, boat, or RV from the elements.
Multi-Surface Application: Bonds to bare metal, painted surfaces, and more.
Easy Application: Fast cure time and mess-free application with the included tip.
Don't settle for anything less than the best. Choose Maxi-Seal Polyurethane Seam Sealer for lasting repairs and a beautiful finish on your vehicle.


3 Inch 24 Grit Quick Change Grinding Disc Set, 25 Abrasive Discs with Backing Pad,Sanding Discs for Metal, Wood & Surface Preparation
$23.68


LAUCO Zinc Coat Weld-Thru Primer 15.5 oz, Pack of 2, Zinc Rich Spray for Welding, Anti-Corrosion Coating for Bare Metal, MIG & Spot Welding Safe, Fast Dry Industrial Primer 37518
$29.99


LAUCO Chassis Black 13 Oz, Pack of 6, OEM Satin Finish Coating, 62793
$55.99


Maxi -Seal Polyurethane Seam Sealer Automotive - Gray, 10.5oz Tube - Durable & Flexible Auto Body Filler - Seam & Joint Compound for Bare or Painted Surfaces - Brushable to Duplicate O.E.M (1 Pack)
$19.99


LAUCO Wax & Grease Remover Spray 13 oz, Pack of 1, Automotive Paint Prep Cleaner for Surface Preparation Before Primer, Paint & Clear Coat, Fast-Drying Formula, 36430
$13.99


Maxi-Seal Gray Polyurethane Seam Sealer (12-Pack, 10.5oz Tube) | Durable & Flexible Auto Body Joint Compound | Brushable Automotive Filler to Duplicate OEM Finish (87292)
$95.99


LAUCO Rintek Urethane Spray 1 Gallon Black Bedliner Coating, Heavy-Duty Polyurethane Protective Truck Bed Liner Paint, Waterproof Anti-Slip Impact-Resistant Automotive Coating 95096
$115.99


Maxi-Seal Gray Polyurethane Seam Sealer (6-Pack, 10.5oz Tube) | Durable & Flexible Auto Body Joint Compound | Brushable Automotive Filler to Duplicate OEM Finish (87292)
$51.99
Suitable for automotive metal, plastic trim, and properly prepared body panels. Always test adhesion on a small area first.
5.0
Based on 2 reviews
Fast shipping👍
Jose a Umanzor · 08/31/2026