3M 08612 Windo-Weld Round Ribbon Sealer 3/8 in x 15 ft Kit with Setting Blocks
- This 3M Windo-Weld Round Ribbon Sealer (part number 08612) delivers a precise, pre-formed butyl seal ideal for windshield, back-lite, and quarter‐light installations in professional auto body and collision center applications.
- Features:
- Controlled compressability allows for easy installation
- Ribbon sealer will not squeeze out, providing performance longevity
- Designed to not allow light to contact pinchweld
- One-roll sealer offers sufficient material to replace one windshield or backlight
- Includes:
- 1 × 15 ft roll of Windo-Weld Round Ribbon Sealer
- Setting blocks included for proper seating during installation
- Specifications:
- Adhesive Type: Butyl Rubber
- Brand: Windo-Weld
- Color Family: Beige
- Consistency: Tape
- Container Type: Roll
- Overall Diameter (Imperial): 0.375 in
- Overall Length (Imperial): 15 ft
- Overall Width (Imperial): 0.375 in
- Overall Width (Metric): 9.525 mm
- Product Color: Tan
- Part Number 08612, 3M ID 7000000938, UPC 051135086124
- The Windo-Weld Round Ribbon Sealer can also be referred to as 3M 08612 ribbon sealer, 3/8 inch butyl cord, automotive glass sealer 08612, window ribbon sealer kit, and pinchweld pre-formed seal.
3M is a globally recognized technology company known for its high-performance adhesives, sealants, tapes, and industrial solutions—trusted in collision repair, automotive glazing, and professional applications worldwide.
Q: Is this compatible with butyl-bonded windshield installations?
A: Yes, the 3M 08612 ribbon sealer is specifically designed for butyl-bonded glass installations such as windshields, back-lites, and quarter lights. It does not provide structural strength and requires use with adhesion promoter (3M 08617) and primer (3M 08642) for proper bonding.
Q: Does the sealer require curing or mixing before use?
A: No, this is a pre-formed butyl cord with no cure time required—installation is immediate once properly primed and seated.
Q: What storage conditions and shelf life apply to this product?
A: The sealer should be stored in a cool, dry place at 15–30 °C. Shelf life is 48 months from the date of manufacture under these normal storage conditions.
