Star Brite 87004 Epoxy Aluminum Putty Stick 4 oz Waterproof Emergency Repair

The Star Brite 87004 Epoxy Aluminum Putty Stick is a fast-curing, aluminum-specific repair compound designed for both permanent and emergency fixes on aluminum surfaces. Formulated with special additives that enhance bonding to oxidized and weathered aluminum, this putty stick delivers a durable, long-lasting repair without the need for specialized tools or professional expertise.

The two-part epoxy stick activates with simple hand kneading — no mixing equipment required. Once kneaded for approximately one minute, the compound is ready to apply directly to the damaged area. It sets in just 5–10 minutes and achieves a full cure in 60 minutes, making it ideal for urgent, on-the-water or roadside repairs.

Key Features:

• Designed specifically for aluminum surfaces including boats, outdrives, fuel tanks, water tanks, RV components, and more
• Works underwater — capable of making emergency submerged repairs
• Sets in 5–10 minutes; fully cured in 60 minutes
• Simple application: hand knead for 1 minute and apply — no special tools needed
• Once cured, can be sanded, painted, drilled, tapped, and filed
• Withstands high temperatures — suitable for exhaust systems, manifolds, and engine components
• Strong adhesion to oxidized and weathered aluminum surfaces
• 4 oz (113 g) stick — enough for multiple repairs

The Star Brite 87004 Epoxy Aluminum Putty Stick is an essential addition to any marine, RV, or shop repair kit. Whether sealing a cracked outdrive housing, patching a fuel or water tank, or making a quick field fix on aluminum components, this putty stick provides a reliable, waterproof bond that stands up to the demands of the marine environment.