01775 712600



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Commercial Cladding Services Ltd

Industrial Roofing/Cladding Contractors & Suppliers Trade Counter


8mm Diameter Bead Butyl Mastic

Available in Boxes of 5, 8 or 20 Reels

**All Prices Includes VAT at the Standard Rate**







8mm Bead Butyl Mastic (Lap Mastic)


8mm Bead Butyl Mastic – Ideal for Sealing side and end laps on fibre cement sheeting.

Butyl Mastic also known as lap mastic provides a weathertight seal for use with coated steel, aluminium and fibre cement roofing and cladding systems in side and end lap applications.

Product Details:

  • 8mm Diameter x 6 meters
  • Sold in Boxes of 5, 8 or 20 Reels: 6 meters on a Reel
  • A Grade, Long Lasting
  • Colour: Grey

General Mastic Details:

  • For sealing side and end laps on GRP & Polycarbonate rooflights.
  • For sealing perimeter flashings
  • For sealing steel gutter joints.
  • Allows for Expansion
  • A Grade, Long Lasting
  • All surfaces should be clean, dry and free from frost, grease & loose material before application.
  • Application temperature range +5°C to + 30°C

Other Butyl Mastic Sealants are available, please browse our shop for more products available. Shop

If you need any further information or help please call us on 01775 712600 or email info@commercialcladdingservices.co.uk

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