Nullifire FS709 Intumastic HP Intumescent Sealant

500148
NUL3586

Nullifire (Firetherm) FS709 Intumastic HP Intumescent Sealant is a heat-reactive, intumescent acrylic fire barrier mastic for internal use around services in walls and floors.

  • Seals around pipes, cables and cable trays
  • Provides up to 4 hours of fire resistance
  • 60 to 120 min tack time (depending on temperature/humidity)

To qualify for Express (1-3 day) shipping, basket value must exceed £75.00 + VAT. Orders below this amount will be available on Economy (7-10 day) shipping only.

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£181.50(ex. VAT)
£217.80 (inc. VAT)
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Available for Delivery (See Delivery Options Below)

Description

Nullifire FS709 Intumastic HP Intumescent Sealant is a heat-reactive, intumescent acrylic fire barrier mastic for internal use around services such as combustible pipe seals, cables and cable trays and baskets in walls and floors. The mastic contains inert fillers and graphite, providing up to 4 hours of fire resistance, and has been tested within single-skin partitions.

Maximum diameter 125 mm combustible pipe seals, up to 60 mm insulation wall thickness, 60 mm annular space around cables or large preformed slots in walls floors forming cable tray/basket openings.



Typical Applied Depths


  • 25 mm in openings 150% of combustible pipe/conduit size
  • 25 to 50 mm within Firetherm Intubatt
  • 25 mm direct within plasterboard annular spaces
  • 30 mm within conduits
  • 10-25 mm around all insulation types, up to 50 mm wall thickness



Coverage


  • 10 mm wide seal - 3.25 m approx.
  • 15 mm wide seal - 1.35 m approx.
  • 20 mm wide seal - 0.78 m approx.

Refer to the technical data sheet for more coverage details.



Installation


Install FS709 Intumastic HP Intumescent Sealant in full accordance to installation details provided by Nullifire.

FS709 Intumastic HP Intumescent Sealant will expand 52 times by volume. Reaction commences at 130°C.

  1. Read the Intumastic HP safety data sheet instructions before starting work.
  2. Ensure the opening size corresponds to 150% of the pipe combustible size.
  3. Cut the end of the tube and trim the nozzle to size required.
  4. Force FS709 Intumastic HP Intumescent Sealant well into the joint ensuring the correct depth of seal, backing material and sides of the joint are well covered.
  5. Tool off to a good finish using a wet trowel.



Specifications


  • Tube size: 310 m
  • Colour: grey.
  • Tack free time: 60 to 120 minutes depending on temperature/humidity.



Fire Testing


Tested at Exove BM Trada to BS EN 1366 Pt 3. 240 minutes fire integrity and insulation



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 Conditions and should be applied only by an individual with the necessary expertise and experience. We 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.

Product Details
500148
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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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