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Nullifire SC804 Onsite Intumescent Basecoat
A water based intumescent coating to protect internal structural steel.
- Provides 90 minute fire resistance
- Ultra low VOC
- Certifire CF5929
£225.99 exc VAT | £271.19 inc VAT
10 in stock
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Product Description
Nullifire sc804 is a white water based intumescent coating for use on internal structural steel. It provides optimised loadings for 90 minutes, as well as limited 120 minute protection.
Nullifire sc804 is designed for use on ‘I’ section beams and columns, hollow columns, hollow beams, cellular beams, concrete filled hollow columns and solid steel rods. It can be used on steel, cast iron and galvanised steel.
For a decorative finish, apply a topseal such as Nullfire TS816 Topseal, or Palatine’s Nullifire Approved Topseal (comes in a range of colours and finishes).
If a 60 minute rating is required, see Nullifire SC802.
Please see the datasheets for full details and directions for use.
Please Note: If you require certification, you must complete an intumescent enquiry form prior to your order. This ensures you apply the correct quantity needed to achieve the fire rating. The enquiry form is available to download from the ‘Data Sheets’ tab.
Surface Preparation
Proper surface preparation is essential for the success of any protective coating system. Before you begin ensure the area is free from any dust, oil, grease, old coatings and surface contaminants.
The preparation of steelwork prior to painting generally falls into two main areas; that of degreasing and the removal of rust and scale.
All surfaces to be painted should be clean, dry and free from loose and flaking material, dust, grease and millscale, etc.
Prime bare surfaces with Palatine Anti-Corrosive Metal Primer or Palatine All Purpose Primer / Undercoat in accordance with our recommendations
For non-ferrous metals use Palatine Fast Dry etching primer.
Rub down previously gloss painted surfaces with fine waterproof abrasive paper and rinse thoroughly.
Mixing
Stir the paint with a drill stirrer or wooden baton at least 2” wide. Continue to stir during application.
Application
Best results are obtained in warm (minimum 10°C), dry conditions.
Mix thoroughly for approximately 2 minutes using a drill stirrer. A wooden batten at least 25mm wide is also ideal.
Apply an even coat using a brush, short to medium pile roller on smooth surfaces and a long pile roller on textured surfaces
For spray application by either airless or conventional spray a dilution ration of no more than 10% is recommended with Palatine White Spirit by volume applying thin coats allowing each one to dry before applying subsequent coats.
Once dried, a second coat can be applied at full strength. This will prolong the life and performance of the coating.
Thinning and Cleaning: Use Palatine White Spirit.
If using more than one batch of the same colour, intermix before use
Preceding Coat
Prime bare surfaces with Palatine Anti-Corrosive Metal Primer or Palatine All Purpose Primer / Undercoat in accordance with our recommendations
For non-ferrous metals use Palatine Mordant Solution.
Subsequent Coat
A second coat is recommended for maximum protection.
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