0500 41 41 41
Cookie Reports - Screwfix Cookie Policy
Google Chrome Firefox Internet Explorer 8+
Bank Holiday Opening Times
Bank Holiday Opening Times


Staifix Insofast ISF 18A Insulated Plasterboard Fixings 145mm Pack of 400

Product Code: 12594

A one-piece metal fastener with a dish-profiled head for mechanically securing drywall and insulated plasterboard panels to walls. For use with fixing tool (Code 34453).

  • Fixes Panels to Lightweight Blocks without Pre-Drilling
  • Countersunk Head Prevents Tearing & Retains Filler
  • Helical Shaft Minimises Heat Loss Through Cold Bridging
  • Can Replace or Compliment 'Dot & Dab' Installation
  • Fixes into a Wide Range of Masonry & Timber Substrates
  • SDS Adaptor Tool Available for Easy Installation
  • Self-Tapping Helical Shank with Work-Hardened Blades
  • Dependable Performance
  • View more information

Product contents:
400 x ISF fixings.

Zinc-plated AISI 1008 steel. To be installed using ISF SDS Tool.

£359.99 (inc. 20% VAT)


Add to saved list

Next Day Delivery
Store Collection
Check stock in your store

More items to consider...



Model No ISF-18A-145BOX