3M moisture barrier over nailing fin insertion point User Manual

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Application Profile
3M Industrial Business
Market: Windows
Application Description:  Moisture barrier over nailing fin insertion point.
PRODUCT
3M
Polyester Film Tape 856
Key Application Requirements
Tape must:
• Provide a moisture barrier over nailing fin insertion point to the window
frame to protect against moisture intrusion into the home after installation.
• Have a very low moisture-vapor and water-penetration rate.
• Have sufficient UV resistance to maintain reliable performance.
• Adhere well to common window construction components, such as aluminum
and unfinished pine. (Moisture barrier is not necessary for one-piece vinyl
windows.)
Benefits/Advantages To Customer
Increased customer satisfaction: Provides confidence that windows will be
installed properly with trouble-free performance for many years to come. 
Easy to apply: Self-wound, pressure-sensitive tape can be applied easily by
machine or by hand.
Secure adhesive: Acrylic adhesive is UV-resistant; remains reliable over time.
Flexible: Holds well to nailing fin and frame when nailing fin is flexed to
installation position.