The ASF Promise

  • Guaranteed quality
  • Available from stock
  • Technical support
  • Easy to use
  • Third party certified
  • Reduced project costs

Did you know the ASF range also saves energy

The Building Regulations 2010 Approved Document L requires the conservation of fuel and power in new and existing buildings. The ASF range is designed to be used in a wide range of applications where the passage of air is required to be restricted.

ASF Socket Box Protection Pads

ASF Socket Box Protection Pads are an easy to apply fire and sound rated sealant supplied as a non-setting putty. The pad is hand workable, re-useable and re-serviceable due to its non-setting properties.

ASF Socket Box Protection Pads will prevent the passage of smoke, flames, sound and air movement through the electrical socket. Shaped for use on both single and double electrical sockets installations in dry lining walls. The pads are supplied in a cross shape for internal installation in a box and in a rectangular shape for application on the rear of the box.

For fire resistance only, the ASF Socket Box Protection Pad achieves full fire performance without additional insulation between the studs.

  • 2 hour fire rating
  • Excellent acoustic properties
  • Can be easily installed on first or second fix

Shape & Size

Double/Single Internal Cross Shape

230mm x 170mm approx. overall dimensions.

Cutting guides are imprinted on the pad to allow for easy cutting of the pad to fit single boxes.

Internal Cross Shape

Double Box: 230mm x 170mm approx.
Single Box: 170mm x 170mm approx.

External Rectangular Shape

Double Box: 230mm x170mm
Single Box: 170mm x 170mm

Sound Insulating

67 (-2;-7) Rw (C;Ctr) (dB)

Tested in accordance with

BS EN ISO 140-3:1995

Calculated in accordance with

BS EN ISO 717-1:1997

Fire Performance

Tested in accordance with:

EN1366-3:2004

Up to 120 minutes fire resistance in 100mm and 130mm gypsum board drywalls* 

* A full approval of the product is contained in Certifire Certificate of Approval No. CF831

Fire tested to

BS EN 1364-1:1999
BS EN 1366-3:2004

Sound Insulation

tested to
BS EN ISO 140-3:1995

Meets the requirements of the Building Regulations 2010

  • B: Fire Safety
  • E: Resistance to Passage of Sound
  • L: Conservation of Fuel and Power

Installation Instructions for Internal Pad

  • Remove the paper from one side of the pad. (Cut off corners for single box installation).
  • Make a slit for the cable and pass the cable through the pad.
  • Push the pad fully inside the socket box.
  • Pay special attention to ensure the pad fits into the corners of the box.
  • Trim off any excess material and proceed as normal installation