Window-Weld™ Round Ribbon Sealer 08611-5/16 x 15 Kit
The 3M Windo-Weld Round Ribbon Sealer 08611 provides a reliable solution for sealing windshields, back-lites, and auto glass on cars and trucks. This ribbon sealer comes as one continuous roll with built-in setting blocks. It offers enough material to seal one windshield or rear glass — ideal for repair shops and DIY installations.
The sealer features controlled compressibility. When you press the glass into the pinchweld, the ribbon compresses just enough to fill the gap. Then it seals firmly without excessive squeeze-out. This means no messy overflow, no wasted material, and no gaps where water or air can leak later.
Because of the design, light cannot pass through the seal — guaranteeing a tight, opaque seal that keeps the interior protected from dust, moisture, and noise.
Installation is straightforward. You press the ribbon into the pinchweld groove, seat the glass gently, then apply Even pressure around the edges. The ribbon compresses as you install — no primer, no adhesive gun, no complicated curing. It makes windshield replacement or glass installation faster and cleaner.
This sealer works for windshields, rear windows, back-lites, and other bonded glass installations in cars, trucks, and light vehicles. It suits both professional auto-glass shops and serious DIY restorers who need dependable sealing without mess.
Overall, 3M Windo-Weld 08611 brings controlled compression, clean sealing, easy installation, and reliable water- and airtight performance. It’s a smart and efficient choice when replacing auto glass or sealing back-lites.




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