Free shipping on orders over $150. Learn more
Returns are accepted within 30 days after shipment. To be eligible for a return, items must be unused, uninstalled, and in their original packaging, and proof of purchase is required. The following items are not eligible for return: Installed or used products, clearance or final-sale items, trolling motors, programmed AIS units, KVH Starlink products that are registered or opened, special-order products, or products displaying the notice “This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.” in their description. Opened or unsealed DVDs, CDs, or cartography (unless defective) are not eligible for return. Return Merchandise Authorization (RMA) numbers are required for all returns. Learn more.
Egret Marine ships marine parts and accessories within the contiguous United States only. Orders are typically processed same day if placed before 3pm CST, excluding weekends and holidays. Learn more.
Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Aluminum Gray
Sikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types Sikaflex®-221 is tested and classified in accordance with ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.
Uses:
Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.
Characteristics & Advantages:
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Why a Magnetic Compass Still Matters GPS chartplotters are indispensable, but a magnetic compass is your fail-safe when electronics go dark — dead battery, blown fuse, or water intrusion. Every...
Why Every Boat Needs a VHF Radio A marine VHF (Very High Frequency) radio is one of the most important pieces of safety equipment on any boat. It's your primary...
Why CO and Propane Alarms Are Non-Negotiable Carbon monoxide (CO) is the leading cause of boating fatalities that don't involve drowning. It's colorless, odorless, and can incapacitate a person within...
Choosing the right VHF speaker for your boat comes down to weatherproofing, power handling, and mounting flexibility. Here's what to look for.
A properly installed transducer is the foundation of accurate sonar on your bass boat. This complete guide covers mounting methods, location selection, depth settings, cable routing, water testing, and the...
A properly built NMEA 2000 network lets your chartplotter, GPS, AIS, and instruments share data seamlessly. Here's how to plan and build one.
Marine electrical systems demand corrosion-resistant, properly rated components. Here's a practical overview of terminal blocks, switches, and cables for boat wiring.
Carbon monoxide alarms, fire extinguishers, and life jackets are non-negotiable safety gear for any boat. Here's what to know before you buy.