• Envirograf Intumescent Cement Filler

Envirograf Intumescent Cement Filler

Product 63 - CF

Unfortunately, we no longer stock this product; please contact our technical team on 0113 2455450 (option 2) or send a message to [email protected] where we will be happy to offer you up to 10% off a suitable alternative product for your project.



Envirograf Intumescent Cement Filler seals up gaps around pipes and services, flues, and internal brickwork, especially behind steel door frames. Setting like ordinary cement, the filler doesn't crack and will expand in a fire up to 5 times its original volume to seal cracks and gaps, preventing the spread of fire and smoke.


  • Low odour
  • Solvent-free
  • User-friendly
  • Ready to use
  • Good wetting properties when applied onto prepared surfaces
  • Good adhesion to most substrates encountered in standard constructions
  • Can be over-painted if required

Typical uses:

Pointing around pipes, services, flues, internal brickwork. Cures to give a hard cement-like finish, which will withstand temperatures above 1400°C +.


Envirograf® Intumescent Cement Filler can be applied directly into holes and gaps using the 310ml tube then a trowel or spatula can be used to smooth surface. Alternatively it can be applied using trowel or spatula. When dry, it becomes hard like cement and can be painted over.

Tools can be cleaned in warm water.

Technical data:

  • Composition: Water based polymer system with inert fillers.
  • Specific gravity: 1.75
  • Tack free time: 30 minutes depending on bead thickness room temperature and humidity.
  • Full cure: Approximately 24 hours, depending on bead thickness, room temperature
  • and relative humidity.


Alkaline – may cause skin irritation on prolonged contact with skin. Irritating to eyes.
Silicate cement is based on a water-based polymer.


  • 12 months in unopened original packaging.
  • Store between 5C to 30C.
  • Protect from frost.

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.

Any Envirograf products to be used in or for Harrods department store should be authorised with our Technical Team prior to purchase.

Product Details
Product 63 - CF

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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