Mechanical fastening systems

SureFast® 225mm tube washer for membrane attachment

SureFast® 225mm tube washer for membrane attachment

50mm diameter head tube washer for use with SureFast® fasteners.

Delivery: 1 day
Product code
SF-T-50 x 225
Your price
£44.86 (ex. vat) per 100
SF-T-50 x 225 is available to buy in increments of 100


Tube washer for the mechanical attachment of insulation to metal, timber and concrete decks in conjunction with appropriate SureFast® fasteners.


  • Manufactured from high-quality polypropylene able to withstand harsh rooftop environments.
  • Practically eliminates thermal transmittance - no correction factors or penalties need to be considered.
  • Pointed tubes aid installation through membrane and insulation.
  • Purpose designed and manufactured by Fixfast.
  • ETA Approval and CE Marked
  • UKTA Approval and UKCA Marked
  • Previous code R-45 x 240
  • Length (mm) 225


How to mechanically fix bituminous membranes

The NFRC's Safe2Torch campaign lists many scenarios where gas torches should not be used on flat roof installations. This animated video explains how to mechanically fix bitumen membranes when an installation using a gas torch isn't suitable.