• Envirograf Fire Mortar

Envirograf Fire Mortar

Product 6

We no longer stock this product, but can recommend as our nearest alternatives:

Please contact our Technical Team on 0113 2455450 (option 2) or send a message to [email protected] prior to purchase/use for advice on suitability.

Quantity

Description

Sizes:

Regular Grey-Coloured Fire Mortar

Ref Description
FM25 25 kg regular fire mortar grey-coloured
FM05/A 25 kg plus 6.25 kg aggregate additive = 31.25 kg total dry mix grey-coloured

Pink-Coloured Fire Mortar (for easy identification)

Ref Description
FM25/P 25 kg pink-coloured fire mortar
FM25/AP 25 kg plus 6.25 kg aggregate additive = 31.25 kg total dry mix pink-coloured

Envirograf Fire Mortar fills in gaps around services, such as pipework, that travel through floors and walls, sealing permanently. Use with Envirograf Intumenscent Slabs (products 4 & 5) for fire-stop protection against fires and smoke.

The mixture is available as a standard grey mix or coloured pink for easy identification as fire mortar. Choose from a standard 25KG 2 bag mix or a 3 bag mix comprising of the 25KG plus a 6.25KG lightweight pumice aggregate additive. The 3 bag mix fills a larger area whilst retaining structural integrity.

Simply add water to the asbestos-free dry mixture and mix like plaster. When set, the mortar is load bearing depending on the thickness of the application, supporting walking and storing of materials, and can be drilled into with wood bits and cut into for further installation of services.

Mixing

Add 4 ¼ to 4 ¾ litres of water to the 25KG pack and mix like plaster. The 3 bag mixture requires the pumice aggregate to be mixed uniformly before adding water.

25KG will fill approx. 8600 cm³; 2 bags will fill 0.83 m² to depth of 25mm.

Pour into floor openings, and for walls use on top of an Envirograf slab with a trowel.

Application

Cover pipes and electrical work with Envirograf Fire Protection Wraps, using intumescent pads inside and Envirograf Intumescent Trunking Pillows  for cable trays.

Application into floor, for opening 600 mm x 900 mm, no wire mesh is required. Just fit Rockwool, fit Envirograf Protection around any services and fill over the Rockwool to the required depth, with the FM Fire Mortar. For larger openings, fit 50 mm RW4 or RW6 Slab where large areas over 1 metre wide, use Envirograf SUP Support Bars under Rockwool. Fit 30 mm wire mesh over the Rockwool, cutting around services and wiring to the services. Fix wire mesh all around the perimeter of the hole, bend up the wall or floor and fit with Envirograf® FB/C Metal Battens to support the mesh.

Apply in different thicknesses for fire protection for up to 6 hours:

  • Up to 1 hour: 3mm thick
  • Up to 2 hours: 6mm thick
  • Up to 3 hours: 12mm thick
  • Up to 4 hours: 25mm-100mm
  • Up to 4-6 hours: 100m thick
  • For walls, use a maximum of 25mm for up to 4 hours fire protection

For areas over 600mm x 900mm it is advised to reinforce with 30mm wire mesh fixed with FB/C straps.

Refer to the relevant data sheet (READ MORE) and application guide (READ MORE) in our download section, for more and continued information.

Material Specification:

Composition of Fire Mortar

  • Calcined Alumino Silicate (36-46% Al2O3) 0 – 80 %
  • Calcined Bauxite 0 – 80 %
  • China Clay 0 – 7 %
  • Bentonite 0 – 3 %
  • Alumina 0 – 12%
  • Cement 3 – 8 %

Test Details:

Test Integrity Insulation
Trada – FR1746 245 Minutes N/A
Trada – FR1739 240 Minutes N/A
LPC – TE82610 183 Minutes N/A

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 6
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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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