Insofast Ltd
Insulation Fixings
Structural Repair
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External Wall Insulation Fixing

General Quick Guide

  • Integral thermal break collar
  • Quick and easy to use
  • Fewer fixings - reduced labour
  • Reduced cold bridging
  • Dependable performance
  • Highly versatile in a wide range of construction materials
  • Fix with hammer or SDS drill adapter
  • Fixes into concrete and masonry with tiny pilot hole
  • Fixes directly into lightweight block without pre-drilling


Patented INSOFAST helical anchor with a 60mm diameter impact-resistant synthetic collar for securing external wall insulation in building refurbishment, thermal upgrades and new-build applications. Particularly well suited for fastening insulation to Aircrete solid walls, for example fixing insulation to Thermalite, Celcon or Durox lightweight blocks.

The anchor can be used with or without pilot holes and driven in using a conventional hammer or hammer drill fitted with an SDS adapter.



ISF60 anchors are suitable for fixing all commonly used types of external wall insulation board, including extruded polystyrene / EPS, Polyisocyanurate / PIR, mineral wool and phenolic foam.

They are the only anchors of their type approved for fixing into Aircrete masonry without the need for pre-drilling. For other substrates, they require very small pilot holes (5mm for brick or 6mm for structural concrete), ensuring that the effectiveness and integrity of the insulation materials are not compromised.


Product Specification

Material Zinc Plated AISI 1008 Steel
Austenitic 304 Stainless Steel
Diameter of Head 60mm
Diameter of Nose 15mm
Diameter of Shank 7mm
CSA of Shank 9mm≤
Pitch Accuracy < 0.5%
Typical Load 1mm Defln
581N (concrete)
622N (brick)
649N (aircrete)
Avaliable Lengths* 140mm
(panel depth 75-100mm}
(panel depth 105-130mm}
(panel depth 135-160mm}
* Based on minimum 40mm embedment into masonry

Download Data Sheet

Page updated 12th Aug 2011, 10:31
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KKM Buildings
Old Reservoir Road
Company No. 07455797, Registered in United Kingdom
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