Seam Tape - Reinforcement Tape


Seam Tape application on corrugated metal roof  Your Last Coat application on corrugated metal roof

GEI Seam Tape seals the seams and bridge cracks before receiving GEI TopCoat resulting in a seamless, monolithic waterproof membrane warranted to last 20 years.
Seam Tape application on leaking flat roof
After application of Your Last Coat on flat roof


1. Product Name
                   GEI Seam Tape

2. Manufacturer

GLOBAL Encasement, Inc.
701 E. Santa Clara Street
Ventura, CA  93001 USA
PHONE: (800) 266-3982
FAX: (800) 520-3291

3. Product Description

GEI Seam Tape is excellent for use in sealing seams, and in some GLOBAL Encasement, Inc. System designs to bridge cracks and patch holes. GEI Seam Tape offers an immediate aggressive grip and features 20 mils of gray elastomeric adhesive/sealant backed with spun bond polyester fabric.

4. Technical Data and Properties

BONDING TIME: Immediate aggressive grip, full bond in 24 hours

            Application:  30°F to 110°F
            Operating Limits: 10°F to 180°F


TENSILE STRENGTH: 570 psi (with 75% elongation)

SHELF LIFE: 18 months to 2 years.

PEEL STRENGTH: 5 lbs. per linear inch.

5. Product Installation
  • GEI Seam Tape is ready to use.
  • All surfaces must be clean, dry, and free of dirt, grease, oil, or other contaminants that would interfere with proper adhesion.
  • Surface can be primed with PrepLESS Primer and exposed areas can be top coated with any of GLOBAL Encasement, Inc.’s topcoats.
  • Cut tape the desired length, peel off release liner, and press into place removing all buckles and bubbles.

6. Availability and Cost

Call GLOBAL Encasement, Inc. at 800-266-3982 for pricing and availability.

Download and Print
PDS (Product Description Sheet), MSDS (Material Safety Data Sheets)​ and 
SDS (Safety Data Sheets)​


Our data is based on information from laboratory and field-testing and analysis, which we believe to be reliable.  Since the conditions of use are beyond GLOBAL Encasement, Inc.’s control, we cannot guarantee or accept any liability resulting from the misuse of our products.


Seam Tape Testimonial