Eterna Bond EB-AB020-50R Alumibond Aluminum Repair Tape 2" x 50'

Eterna Bond

<h3>About EternaBond®</h3><p><strong>EternaBond®</strong> is a leading name in high-performance sealant tape and surface-preparation solutions, developed under the H.B. Fuller family of brands. For over two decades, EternaBond has built its reputation on a single, powerful promise: seal it once and seal it permanently. Whether you own an RV, manage a fleet of commercial trucks, or work on trailers and buses, EternaBond products are engineered to deliver a bond that outlasts the elements.</p><h3>MicroSealant® Technology</h3><p>At the heart of every EternaBond product is the brand&apos;s proprietary <strong>MicroSealant® Technology</strong> — a 100% solids formulation of synthetic resins, thermoplastics, and non-curing rubber with a built-in primer. Unlike standard adhesive tapes that rely solely on mechanical surface contact, MicroSealant flows into microscopic surface irregularities to create a molecular-level seal that grows stronger over time rather than weakening. The result is a bond that is fully waterproof, airtight, and resistant to UV degradation, temperature extremes, and moisture.</p><p>EternaBond RoofSeal tapes remain flexible across a remarkably wide temperature range — from -70&deg;F (-57&deg;C) to 212&deg;F (100&deg;C) — making them virtually immune to the thermal cycling that causes competing products to crack, shrink, or delaminate. When properly installed, EternaBond tape is rated to last 20 or more years.</p><h3>Built for Transportation &amp; RV Applications</h3><p>EternaBond&apos;s product line was purpose-built for the demands of transportation sealing. The RVSeal and RoofSeal tape lines address the specific challenges of RV roofs, cargo trailers, buses, and heavy-duty trucks — surfaces that experience constant flexing, UV bombardment, and wide temperature swings. EternaBond tapes bond to a wide variety of substrates including EPDM rubber, TPO, Hypalon, aluminum, galvanized steel, wood, and fiberglass, without requiring a separate primer coat on most surfaces.</p><p>The full EternaBond lineup includes specialty variants for every application: the TPO-backed RoofSeal™ for general roof repair, the thicker RoofSeal Plus® for porous substrates, the aluminum-backed AlumiBond™ for heavy-duty structural use, the fabric-backed WebSeal® for paintable repairs, and the double-sided DoubleStick™ for gasket and window applications. Together, these options make EternaBond one of the most versatile sealant tape platforms available for mobile and transportation applications.</p><h3>EternaPrime® Primers</h3><p>For challenging surface conditions — low temperatures, rust, old caulk, or difficult-to-clean substrates — EternaBond offers its EternaPrime® Primer as a dedicated surface-preparation solution. Available in convenient aerosol spray or brush-applied formats, EternaPrime® is specifically formulated to enhance adhesion when applying any EternaBond tape, especially in cold-weather environments. It acts as a coalescing agent that stabilizes even oxidized or contaminated surfaces, ensuring the strongest possible bond before tape is applied. Explore the full selection of <a href="/7337-eterna-bond-primers-200810">EternaBond primers</a> to find the right prep product for your project.</p><h3>Why Choose EternaBond?</h3><ul><li>Patented MicroSealant® Technology creates a permanent, molecular-level seal</li><li>UV-stable backing resists years of outdoor sun exposure without chalking or cracking</li><li>Bonds to virtually all roofing and transportation substrates except silicone</li><li>Wide temperature tolerance from -70&deg;F to 212&deg;F prevents thermal shock failure</li><li>One-step application — no messy liquid sealants, fasteners, or welding required</li><li>Rated for 20+ years of service when properly installed</li><li>Backed by a ten-year product warranty from H.B. Fuller</li></ul>