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FastFix Multifoil Screws

FastFix Multifoil Screws

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expand_circle_down Description

FastFix Multifoil Screws

To install our wide range of Multifoil insulation we recommend using our FastFix Screws. They’re specifically designed for installing Multifoil Insulation. Multifoil insulation works through a combination of reflective outer layers and internal layers of wadding. Due to their design, they prevent the inner wadding from getting caught and make the installation process much easier.

Why are FastFix Screws Different from Regular Screws?

  • 40-degree deep single threaded screws – this creates resistance to the screws being pulled out and creates a secure hold.
  • Lubricated
  • Sawtooth design which prevents the wooden battens from splitting.
  • Double countersunk assists countersinking by reducing the risk of head shear whilst also providing head strength.
  • Fully threaded the whole length of the screw.
  • Typre 17 slash point – (T17) relates to the point shape at the end of the screw.  they have a sharp point design which negates the need to pre-drill holes and also removes wood chips.

One box contains 200 screws – 4mm x 50mm screws

Using regular screws Multifoil Insulation can bind around the screws which can cause issues with the installation. Due to the design feature of the FastFix Screws, they prevent this from happening.

The Fast Fix Screws can be used with SuperQuilt, EcoQuilt Expert, EcoQuilt45, AirTec Double, SuperQuilt Trade, SuperQuilt Lite, and many other types of Multifoil Insulation.

We also have other installation items available to complete any Multifoil Insulation installation. the Multifoil Insulation Scissors makes cutting any type of insulation as easy as possible. You might also benefit from purchasing the Heavy Duty Staple Gun Kit which includes 5,000 14mm staples.


All orders placed before 2pm over £100 + VAT can receive next working day delivery or you can choose an alternative day at the checkout.

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expand_circle_down Specification
Pack Quantity200
Size4.0 x 50mm / 2" x 8
Outer Depth (mm)315
Outer Height (mm)100
Outer Width (mm)190
Thread Length30mm
Insert Bit SizeNo.2
Head TypeCountersunk
TypeType 17 (T17)
Corrosion Resistance?Yes

How To Video

Key Features

  • 4mm x 50mm.
  • Type 17 (T17)
  • Fast Insertion / Quick Start Screws
  • Removes Wood Chips / Wood Splits
  • Removes Debris when Drilling
  • Increased Speed of Inserting
  • Secure Hold
  • Resistance to head shear
  • Countersunk head
  • Coating that provides corrosion resistance
  • Speeds up Installation Process Logo