Nullifire FO100 Putty Pads

We no longer stock this product, but can recommend Firetherm Intuputty as a great alternative.



We no longer stock this product, but can recommend Firetherm Intuputty as a great alternative.

Nullifire FO100 Putty Pads are non-setting, intumescent, silicone based putty pads for sealing around plastic and metallic electrical backing boxes. 

FO100 is designed to reinstate the fire integrity, of masonry walls and drywalls when penetrated by an electrical backing box, eliminating the requirement for a baffle box. This product has also been approved to maintain the acoustic performance of the substrate in accordance with ‘Approved Document E’ Robust Details, and is fully tested to meet the air leakage requirements of ‘Approved Document L’ providing a hermetic seal.

Reinstates fire and acoustic integrity and insulation to the following;

  • double/single gang plastic socket
  • double/single gang metallic socket
  • plasterboard back to back/juxtaposed
  • block wall back to back/juxtaposed

Typical areas of use include health and leisure facilities, schools, universities, commercial. retail and industrial buildings. 

Features & Benefits

  • Tested in accordance with EN 1366-3 up to 2 hours Classification EN 13501:2007
  • Provides an effective barrier to the spread of smoke and fire for up to 2 hours
  • Reinstates the acoustic integrity of a 65 dB partition (four boxes, two back to back)
  • Quick and easy to install - no need for expensive baffle boxes 

IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and ConditionsWe will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.

It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.

Product Details

Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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