Insulation Fixings

The external building elevation is subject to shear loads and wind suction. Distortion of the external wall surface causes internal cracking of the wall and appearance of cracks in render. Thermal expansion of the panels (cold and hot weather changes) also weakens the bonding of the panels to the mortar with time. Use of correct insulation fixings can effectively reduce these effects.


The external insulation panel has its own weight, which is transferred through shearing forces directly onto the wall. Most times, the mortar is the only connection of the wall with external insulation.
There is a technical requirement for the use of insulation fixings during the installation of the external wall insulation (EWI). The selection of the optimal insulation fixings depend on the substrate. There are specialised types of insulation fixings:

  • for use in ordinary concrete,
  • for use in solid blocks, silica brick, ceramic brick,
  • for use in walls made of hollow bricks or cavity bricks,
  • for use in lightweight concrete,
  • for use in aerated concrete,
  • for use in wood. 

Since the resistance to load and the displacement under load depends solely on the substrate, to assess the properties of the insulation fixings in substrates such as cavity bricks, chequer bricks or hollow blocks, old substrates etc, tests should always be carried out on site. The mechanical insulation fixing is the only element that counteracts all forces that affect the external insulation system (EWI). The entire weight of the elevation and protection against wind suction forces rests on the insulation fixing, so it is very important to select the optimal anchoring.

     Proper way of installing - full facing of the insulation fixing plate with the layer of insulation

INSTALLATION

  • For insulation fixings, where you use only a mechanical drill and hammer to push it in. Friulsider FPR Insulation Fixings.Suitable for solid concrete,  solid brick and solid stone substrates.

            

                                 

  • Hammered-in expander nail fixing for EWI systems. Friulsider ISOFAST Insulation Fixings. Suitable for use in concrete, solid brick, solid stone, honeycomb brick, cell like clay brick, hollow aggregate brick, aerated concrete substrates.

              

  • Screw-in fixing for EWI systems. Suitable for use in concrete, solid brick, solid stone, honeycomb brick, cell like clay brick, hollow aggregate brick, aerated concrete substrates.

              



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50mm CTP Insulation Panel Fixings (pack of 300)

50mm CTP Insulation Panel Fixings (pack of 300)

50x4.5mm CTP - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£41.45 (£49.74 inc VAT)

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50mm CTP Insulation Panel Fixings for rigid and semi-rigid insulating boards and panels.  APPLICATIONWood, Panels & sheets ..

£41.45 (£49.74 inc VAT)

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other lengths
50mm FPR Insulation Panel Fixings (pack of 500)

50mm FPR Insulation Panel Fixings (pack of 500)

50x8 FPR - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£31.11 (£37.33 inc VAT)

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50mm Polypropylene Insulation fixings for rigid and semi-rigid insulating boards and panels.APPLICATIONConcreteSolid stoneSolid brick ..

£31.11 (£37.33 inc VAT)

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other lengths
65mm Insofast ISF18A Insulated Plasterboard Fixings (pack of 400) - SDS tool not included.

65mm Insofast ISF18A Insulated Plasterboard Fixings (pack of 400) - SDS tool not included.

ISF18A - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£118.80 (£142.56 inc VAT)

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65mm Staifix Insofast Anchor is a one piece metal fastener with a dish profiled head for mechanically securing drywall and insulated plasterboard panels to walls. Prevents dot and dab plasterboard from falling on persons escaping a blazing building, or on persons entering a blazing building for..

£118.80 (£142.56 inc VAT)

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other lengths
SDS Tool for Insofast Fixings

SDS Tool for Insofast Fixings

SDS - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£23.75 (£28.50 inc VAT)

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Adapter designed for hammering Insofast ISF18A plasterboard insulation fixings with an SDS drill. The tool has a convex hammer end that mates with the fixings shallow-dished head. The SDS adapter delivers a series of hammer blows to drive the helical anchor through the insulation and into the wall...

£23.75 (£28.50 inc VAT)

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135mm Suretwist Big Twist Composite Warm Roof Fixings (pack of 25).

135mm Suretwist Big Twist Composite Warm Roof Fixings (pack of 25).

135mm - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£25.58 (£30.70 inc VAT)

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A new fixing for securing structural 6 mm plywood composite insulation. 16-20 fixings needed per 1200x2400mm board depending on rafter spacing. APPLICATION Hammer driven fixing for securing structural 6mm plywood composite insulation board to flat roofs  BENEFITS  ..

£25.58 (£30.70 inc VAT)

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other lengths
70mm Isofast Insulation Panel Fixings - pack of 250.

70mm Isofast Insulation Panel Fixings - pack of 250.

70mm x 10mm- Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£32.26 (£38.71 inc VAT)

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70mm Isofast insulation panel fixings are used for fixing rigid and semi - rigid insulation boards to external solid walls. Plug and nail are made from polypropylene, the nylon nail is reinforced with glass fibre. Isofast fixings offer high fixing thicknesses and no thermal bridging.  ..

£32.26 (£38.71 inc VAT)

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other lengths
82x40mm ISODRILL RG Insulation Panel Washers 5.1mm

82x40mm ISODRILL RG Insulation Panel Washers 5.1mm

ISODRILL RG 82x40mm - 5.1mm  Delivery Time: 3 - 4 days

82x40mm ISODRILL RG Insulation Panel Washers 5.1mm Type: Washer Material: Aluzinc Washer Diameter: 82x40mm Hole Diameter: 5.1mm 82x40mm ISODRILL RG Insulation Panel Washers 5.1mm are aluzinc washers used for fixing insulation panels.   ..

64x64mm RPI Insulation Panel Washers 6mm

64x64mm RPI Insulation Panel Washers 6mm

RPI Washer 64x64mm  show quantity discountsDelivery Time: 3 - 4 days

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64x64mm RPI Insulation Panel Washers 6mm are steel, pre zinc coated washers used for fixing insulation panels.     ..

other sizes
ISO RG Insulation Washer for Soft Panels

ISO RG Insulation Washer for Soft Panels

ISO RG Soft  show quantity discountsDelivery Time: 3 - 4 days

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ISO RG Insulation Washer for Soft Panels is used for fixing soft insulation panels.     ..

ISO RG Screw Cover Cap Insulation Washer (pack of 100).

ISO RG Screw Cover Cap Insulation Washer (pack of 100).

ISO RG -61928060000 - Free Delivery  show quantity discountsDelivery Time: 1 - 2 days

£22.18 (£26.62 inc VAT)

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Polypropylene ISO RG Screw Cover Cap Insulation Washer is used for fixing insulation panels and it has no thermal transmission due to the screw cover cap. Can be used with screws up to 6mm in diameter...

£22.18 (£26.62 inc VAT)

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70mm Universal Insulation Panel Fixing with Metal Pin LMX10 (pack of 200)

70mm Universal Insulation Panel Fixing with Metal Pin LMX10 (pack of 200)

70mm  Delivery Time: 1 - 2 days

70mm Universal Insulation Panel Fixing with Metal Pin LMX10 is for fixing 10mm thick polystyrene, mineral wool and lamella mineral wool external insulation on concrete, brick, light and autoclave concrete substrates. If the substrate surface is absolutely flat, you may use this anchor to fix in..

other lengths
Rockwool SP/S Fixing Brackets for 100mm Cavity (pack of 50)

Rockwool SP/S Fixing Brackets for 100mm Cavity (pack of 50)

SP/S  Delivery Time: 2 - 3 days

Guide Price: £38.18 (£45.82 inc VAT)

SP/S Fixing Brackets are required for the installation of Rockwool Firestop SP60 and SP120 slabs. They are designed for cavities up to, and including 100mm wide. These bracket clips that are bent to an L shape. The leg with the angled point is 300mm long; this leg is impaled into the base of the fir..

Guide Price: £38.18 (£45.82 inc VAT)

other thicknesses
TD060 Nylon Support Disc for External Wall Insulation (pack of 100)

TD060 Nylon Support Disc for External Wall Insulation (pack of 100)

60mm - Free Delivery  Delivery Time: 1 - 2 days

£25.15 (£30.18 inc VAT)

TD060 Nylon Support Disc for Polystyrene, Mineral Wool and Lamella Mineral Wool external wall insulation, to be mounted with a galvanized steel screw. The disc has a stopper, which is used to plug the hole, covering the screw and preventing thermal bridging.CHARACTERISTICSImpact resistant nylon..

£25.15 (£30.18 inc VAT)

TDX90 Support Disc for Mineral Wool and Lamella Mineral Wool Insulation (pack of 200)

TDX90 Support Disc for Mineral Wool and Lamella Mineral Wool Insulation (pack of 200)

90mm  Delivery Time: 1 - 2 days

TDX90 Support Disc is a high impact resistant polyethylene 90mm diameter disc for fixing mineral wool and lamella mineral wool external wall insulation. The greater hold-down area of the disk prevents the anchor pulling through the strands of mineral wool and lamella boards. TDX90 is ..

other diameters
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