Product Overview
The Zero 9117-BK 21' PSA is a Positive Pressure Tested Gasketing Material designed for fire doors. It is intended for application on listed steel frames and/or classified steel covered composite, hollow metal type fire doors rated up to 3 hours. It is also suitable for wood and plastic covered composite type fire doors rated up to 1-1/2 hours, and wood core type fire doors rated up to 20 minutes.
This gasketing meets UL10B, UL10C, and CAN4-S104-2010 Category J.17L5 9903 standards.
Visual Description: The product features the ZERO INTERNATIONAL logo and the ALLEGION logo. It is marked with the "UL Classified" symbol, indicating compliance. Key dimensions are shown as 7/16 inch and 7/32 inch. A diagram illustrates the application on a door, showing the gasketing applied along the frame edges at the lock side, head, and hinge side.
Installation Instructions
Preparation
WARNING: Prior to installation, ensure the surface is clean, dry, and free of any solvents, dust, grease, or oil. If the door is painted, the paint must be uniformly applied and completely dry. Beware of quick-drying primers that leave a powdered surface, as this may cause a complete lack of adhesion.
NOTE: Wood frames that are painted or have other finished surfaces must be non-porous and smooth.
For best application, test the adhesion on a small doorframe area prior to installation. Adhesive tape sets gradually and is fully set in 24 hours. The strip adheres to most any doorframe surface, but variations in paints and paint additives may affect adhesion.
Application Steps
- Adhesive must be applied on a clean, dry frame with a room temperature between 50°F and 100°F. End use temperatures should be between -30°F and 140°F.
- Cut one piece of gasketing to fit the top width of the frame. Peel off the backing and press it onto the frame inch by inch, without stretching it.
- Cut two pieces of gasketing for the height of the frame and attach as shown for the lock and hinge sides. Peel and press them onto each side inch by inch, again without stretching.
- Open and close the door several times to ensure gasketing is adjusted properly and doesn't interfere with the door self-closing or latching.
IMPORTANT: Do not overlap or run strips continuously. Cut at corners where head and jambs meet.
