PRODUCT: BLACK EPDM PEEL/STICK SEAM / SPLICE TAPE. DOUBLE-SIDED BLACK BUTYL RUBBER BASED SEAM TAPE FOR SEAMING ALL TYPES OF EPDM ROOFING. 35 MIL THICK, 3-INCH WIDE X 100 FOOT ROLL. PRICE/ROLL.
Seam Tape / Slicing Tape is applied between overlapping seams to seal and provide long-term integrity and strength to these areas.
WeatherBond EPDM Rubber Seam Tape is a two-sided, cured EPDM/Butyl based polymer adhesive that offers uniform width and adhesive thickness.
WeatherBond EPDM Rubber Peel & Stick Seam Tape delivers 30% greater peel strength and 32% greater shear strength when compared to other tapes available in today's marketplace.
Designed for use with WeatherBond EPDM Rubber roofing membranes with Fully-Adhered systems, WeatherBond rubber Peel & Stick Seam Tape is used in conjunction with Multipurpose Primers to fuse EPDM membranes together in the field for long-term splice strength.
SEAMING USING SEAM TAPE - The EPDM roofing membrane should be positioned so that the width of the seam is 3”.
Remove excess chalk from a chalk line by snapping the line into the air and then chalk a line one-quarter (1/4”) to one half inch (1/2”) from the leading seam edge.
Fold the top sheet back to expose the seam area.
Using the medium nap paint roller apply the WeatherBond Multipurpose Primer to the seam area using back and forth strokes with moderate pressure until the seam surface attains a smooth black appearance.
Apply the WeatherBond Multipurpose Primer past the seam edge to the chalk line. Allow the Primer to flash off.
NOTE: If the EPDM membrane is contaminated with dirt, dust, or debris, clean the seam area with Membrane Cleaner or Eternaclean before applying WeatherBond Multipurpose Primer.
Unroll the 3” wide Seam Tape along the length of the seam, tape side down, aligning the Seam Tape (not the clear backing) along the chalk line.
Using moderate pressure set the Seam Tape into place to keep air from being trapped under the tape.
Fold the top membrane onto the Seam Tape release paper. (If the Seam Tape does not visibly extend beyond the leading seam edge, the membrane edge should be cut back to expose one-quarter inch (1/4”) of Seam Tape.)
Reaching under the top ply of membrane, pull the release paper away from the Seam Tape at a 45-degree angle to the seam.
While removing the paper, draw your hand across the seam, from the back to the leading edge. This will prevent wrinkles and fish mouths from forming in the seam.
After the paper is removed, roll the entire length of the seam with a steel or silicone hand roller, first, across the seam, and then the length of the seam.
NOTE: When splicing Seam Tape, overlap each piece a minimum of one inch (1”) and firmly roll with a steel or silicone hand roller. Apply lap sealant along the seam’s leading edge 3” in each direction from where the seam tape is spliced together.
Cut to desired length.
Peel off protective coversheet, place onto surface.
Roll into surface.
Remove Second Backing
Cover with topside EPDM layer
Add fully cured COVER STRIP over top of the seamed area if needed to reinforce, or if seam area is smaller or larger than 3 inches.
Technical Data Sheet and Detailed Instructions
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