Nullifire FS719 HP Blue For CPVC is a unique sealant developed specifically for CPVC materials. The product has a distinctive blue colour for easy visual identification and traceability.

FS719 is a powerful product, designed to close CPVC, only when the pipes are deteriorating under fire conditions. This advanced product has been made available to installers of fire protection and sprinkler systems, and chemical compatibility is assured with all CVPC pipe types.

Usage/Purpose:

Nullifire FS719 is used to reinstate the fire performance of compartment lines (walls and floors) which have been breached by CPVC combustible sprinkler systems or other CPVC systems.

The product remains inert until exposed to a specific temperature. At this point FS719 will expand and seal the gap left by the dysfunctional CPVC sprinkler pipe.

Tested for use around 1”, 2” and 3” Internal Diameter CPVC pipes through flexible & rigid walls and rigid floors.

FS719 may be used direct within the substrate (plasterboard, blockwork, concrete) or within FB750 Intubatts when installed in full accordance with our testing methods and recommendations.

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• Features & Benefits
• Preparation
• Application
• Important Information
• Coverage
• Typical Details

Features & Benefits

   
• Unique sealant developed specifically for CPVC materials
• Distinctive blue colour for easy visual identification and traceability
• Used to reinstate the fire performance of compartment lines (walls and floors) which have been breached by CPVC combustible sprinkler systems or other CPVC systems
• Up to 120 minutes fire resistance - Tested to EN 1366-3
• Versatile and easy to apply
• Can be used with FB750 Intubatts
• Tested in openings up to 365 x 700 mm

Preparation

• All installers should have received training on the correct handling procedures required by the manufacturers of CPVC pipes on their products
• All surfaces must be clean and sound, free from dirt, grease and any other contamination. Cleaning materials used must be approved and recommended by the CPVC pipes manufacturer
• Check FS719 specification is suitable for substrate, fire rating, annular space and seal depth
• We recommend that the surface of substrate temperature be +5°C or above at the time of application. Please contact our Technical Department on 0113 2455450 (option 2) or send a message to [email protected] for advice regarding lower temperature application

Application

• Insert required backing material (foamed polyolefin - polyethylene non-oiled - or rock mineral wool, as per application instructions), oversized to opening to ensure stability, to provide correct depth of seal
• Using a suitable tool, open cartridge and cut nozzle of cartridge to bead size and angle required
• Gun sealant into gap to required depth by applying an even pressure to the trigger
• Work and tool to a smooth finish immediately with a wet profiling tool or spatula

Important Information

• This product is tested for use only around CPVC pipes
• The product may function on other pipe types, but is not tested for such materials and should not be used as a general fire stopping product
• The sprinkler system design must include allowances for CPVC thermal expansion at the point of interface with FS719. If this has not been considered, we recommend a foil barrier extending through the compartment as a slip joint between the CPVC pipe and the FS719
• The sprinkler system must be installed in full accordance with all manufacturers’ recommendations and storage condition guidance. The design of the sprinkler system should consider all local heat sources (close to the sprinkler system), other services (should be prevented from touching the sprinkler system), and building deflection that may have a long term detrimental effect and cause stress fractures on the sprinkler system if not considered in the design
• FF197 Fire Rated PU Foam may not be used as a backer material with FS719 around CPVC pipes
• When used within FB750, care should be taken to avoid any contact with any other sealant type required for application from coming into contact with CPVC

Coverage

To determine the quantity of sealant required, calculate as following example (in mm):

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.