Protape EPDM Seam Tape

Aeroflex Product - _ProTape

See submittal sheet for detailed operational, performance and material data.

See SDS sheet for safety data.



Aeroflex has everything you need to complete your insulation project, including pipe hanger fittings, fabricated fittings, tapes, adhesives & coatings.

Protape EPDM Seam Tape


Protape is a self-adhering EPDM rubber tape for sealing glued seams and minor tears of Aerocel pipe and sheet & roll insulation. Protape serves as a double-closure system with zero permeability.

Available in rolls ranging from 1-inch to 5-inches wide x 82 linear feet long x 24 mils thick.

Colors – black and white/gray

Specification Compliances

• CDPH Specification 01350, VOC emissions



• RoHS

Key Benefits

• Zero permeability
• Vapor retarder - protects glued seams from vapor drive
• Tape consists of same EPDM rubber as 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 (-57°C) to +257°F (+125°C) (ASTM C 411)
UV Resistance: Pass (ASTM G7)
Ozone Resistance: No cracking (ASTM D 1171)
Water Vapor Permeability (Perm·inch): 0.00 (ASTM E 96)
Water Vapor Absorption (weight %): 0.2% (ASTM C 209)
Adhesion Peel Strength: 1.20 (ASTM D 3330)
Elongation: 50% (JIS K6301)
Fire Rating: 25/50 rated (ASTM E 84)
Plenum-Rated: NFPA 90A/90B
Self-extinguishing (ASTM D 635)