Seam Tapes
Tape Primer/Activator
One Way Air Vents
Pourable Sealer
ROYAL
EDGE SEAM TAPE
DATA SHEET
RPI Royal Edge seam tape is a black, EPDM rubber based product in tape form developed for splicing sheets of Royal Edge EPDM membrane roofing together. It has been formulated to provide high initial strength in both sheer and peel. Its overall performance over the full range of rooftop weather is unsurpassed. It is unaffected by heat, cold. It is easily applied, offers significant labor savings, and avoids the solvent hazards of contact cements.
Suggested Uses:
Royal Edge Seam Tapes were specifically developed for use with Royal Edge EPDM
membrane roofing. However, it also adheres well to most types of membrane roofing, as well
as to other construction materials such as galvanized metal, painted steel, and aluminum.
Royal Edge Seam Tape is produced in rolls of 100' in length with a nominal thickness of 0.035 inches.
Widths Available: 4 Inches
6 Inches
Typical Performance: (Test Temperatures, 70°F)
Peel, pli 5
Shear, psi 15
| Product Benefits: | Labor Savings |
| Cured Product- 12 month shelf life | |
| Superior performance over full range of environmental conditions | |
| Quick tack from high to low temperatures | |
| May be installed in subzero temperatures | |
| Contains NO solvent |
Typical Physical Properties **
| Base Polymer: | EPDM |
| Color: | Black |
| Cure State: | Cured |
| Tensile Strength: | 50 psi minimum |
| Elongation: | 800 % minimum |
| Brittleness Temperature: | Below -50'F |
| Specific Gravity | 0.98+0.05 |
| Solids Content: | 98% minimum |
| Permeability: | 0.6 perm-mils |
** Typical Values: ( Based on material tested in our laboratories but variable from sample to sample. Typical Values should not be construed as a guaranteed analysis of any specific lot or as specification items.
Application Instructions:Surface to be bonded shall be clean and dry, for maximum performance must be cleaned first with RPI's Tape Wash, and primed with RPI Seam Tape Primer. Apply seam tape primer with scrub pads. RPI Lap Caulk shall be used at all T-Joints intersections, I inch overlaps from one roll onto another. Roll entire lap using steel hand roller for 100% adhesion. NOTE: Do not feather or trowel the Lap Caulk. Handling:
RPI Seam Tapes contain ingredients which could be harmful if mishandled. Contact with eyes and skin should be avoided and protective equipment and clothing should be worn. Recommended Storage:
RPI Seam Tape is a cured material and will not degrade in normal warehouse storage. In time, the release paper may become difficult to remove. For this reason, the recommended shelf life is 12 months. ROTATE STOCK