Protape® Zero-Perm EPDM Rubber Tape


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AEROFLEX® offers single-source hermetic system accessories, including EPDM fitting covers, insulated pipe supports, specialty contact adhesives, tapes, and coatings, and are covered by an express limited warranty.

Protape® Zero-Perm EPDM Rubber Tape


Protape® is a self-adhering EPDM rubber tape for vapor-sealing glued seams and minor tears of AEROFLEX EPDM tube, sheet & roll insulation. Protape® serves as a double-closure system providing zero permeability.

Available in rolls ranging from 1”-5” wide x 82 long x 24 mils thick.

Colors: Black and White/Gray.

Specification Compliance

• ASHRAE Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings

• ASHRAE Standard 189.1, International Green Construction Code®

• California Title 24, Building Energy Efficiency Standards

• CDPH Specification 01350, VOC emissions

• EPA TSCA Section 6(h)

• IECC, International Energy Conservation Code



• RoHS

• Verified Environmental Product Declaration (EPD)

• Verified Health Product Declaration (HPD)

Key Benefits

• Zero permeability
• Vapor barrier - protects glued seams from vapor drive
• GREENGUARD Gold Certified for low chemical emissions
• Tape consists of same EPDM rubber as Aeroflex insulation, ensuring installation integrity
• Provides clean visual appearance
• Excellent UV resistance


Refrigeration piping & equipment
HVAC and VRF piping & equipment
HVAC ductwork
Chilled water piping & equipment
Plumbing piping & equipment

Performance Properties

Service Temperature Range: 70°F to 257°F (-57°C to 125°C)
UV Resistance: Pass
Ozone Resistance: No cracking
Water Vapor Permeability (Perm·inch): 0.00
Water Vapor Absorption (weight %): 0.2%
Adhesion Peel Strength: 1.20
Elongation: 50%
Fire Safety: < 25/50
Plenum-Rated: NFPA 90A/90B
Self-extinguishing (ASTM D 635)