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  • 12 year warranty (UK & Ireland only)
  • Outstanding service life
  • High tack product, providing excellent adhesion
  • Excellent track record of proven performance
  • Strong, flexible and designed specifically to accommodate movement

Mögliche Anwendungen:

Roofing Clading

oder rufen Sie: +44 (0)1590 684400

GCA is a high performance butyl tape suitable for use in steel and aluminium roofing systems. It has been carefully formulated to provide a long-life, airtight seal to help buildings comply with Building Regulations Approved Document Part L Standard.

Product uses

  • External Metal Sheeting – sealing end and side laps in steel and aluminium roofing systems
  • Metal Liner Sheeting – sealing end laps
  • Sealing rooflights
  • Sealing metal flashings
  • Ridge and eaves sealing in combination with foam fillers
  • Sealing penetrations to roof and wall cladding


Unit Nominal Value Test Method
Dynamic Tensile Adhesion N/cm2 30 H5
Dynamic Shear Adhesion N/cm2 12 H15
90° Peel Adhesion N/cm 7 H48
180° Peel Adhesion N/cm 14 H41
Specific Gravity g/cm3 1.6 H6
Moisture Vapour Transmission Rate g/m2/24hr/mm 0.15 ISO9932 / BS ISO 15106
Service Temperature Range °C -40 to +110

H = HS Butyl Test Method

Technical Approvals

National Federation of Roofing Contractors (NFRC) Class A Performance – Third party certification by a UKAS accredited laboratory.

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