Laminated Tape


Polyband® is an extruded butyl tape laminated with a fixed polyester liner.

  • A high performance Air Seal and Moisture Barrier Tape developed especially for sealing side lap joints of metal roof and wall liners to reduce condensation and increase airtightness in buildings
  • Care must be taken to seal the joints at the eaves, ridge and any pipe or service penetrations in order to provide a completely airtight building
  • Polyband® can be used as recommended in the MCRMA Technical Paper No.14 Guidance for the Design of Metal Roofing and Cladding to comply with Approved Document L2:2006
  • The use of GCA® preformed butyl sealant is recommended for sealing between the end laps


  • 12 year warranty (UK & Ireland Only)
  • Can be applied in cold conditions without reduction in long term performance
  • Unique high tack adhesive for instant grab
  • Special high strength non-tear laminated film
  • Supplied in self-wound rolls for easy application
  • Service life can exceed 20 years
  • Very low moisture vapour transmission rate
  • Reduces condensation in built up metal roofing systems
  • Prevents air leakage through lap joints
  • Outstanding adhesion to coated steel and aluminium sheets without the need for primers


Unit Nominal Value Test Method
Dynamic Shear Adhesion N/cm2 10 H15
90° Peel Adhesion N/cm2 9 H48
180° Peel Adhesion N/cm 10 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 +90 °C
H = HS Butyl Test Method

Premium Quality Sealants

Our skilled sister company, Hodgson Sealants manufacture a wealth of premium industry-leading adhesives, sealants and tapes.