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Intumescent Paint Spraying

Professional passive fire protection for steel columns and beams

Sprayzone offer a comprehensive on-site intumescent spray painting service from initial enquiry to issue of a certificate of supply at the end of the project.

Intumescent paint spraying

Intumescent paint is a specialist protective coating for the fire protection of structural steel. The intumescent coating expands at high temperatures and forms a protective, insulating layer on the surface of the steel. This protects the steel structure in the event of a fire, buying valuable time for anyone in the building to escape and for the fire to be brought under control.

Sprayzone are experienced applicators of intumescent paint and are approved by Nullifire, the market leading intumescent paint manufacturer. Offering both solvent-based and water-based options we can fire protect steel columns and beams from 30 – 120 minutes.

If you would like a competitive quotation, please get in touch with our experienced and friendly team with the following information:

  • Intumescent paint specification
  • Structural steel sizes
  • Structural steel drawings
  • Duration of fire protection (30, 60, 90 or 120 mins)
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Find out what information we'll need to quote

Approved applicators

We are approved applicators for Nullifire.

Nullifire

Intumescent paint spraying contractor

All works are completed by our own professional spray teams who are experienced in working on site and alongside other trades.

What is intumescent paint?

Intumescent paints are specialist coatings that provide up to 120 minutes fire protection on structural steel. The paint reacts to high temperatures, typically above 200 C,  by expanding up to 50 times its original thickness. This increase in volume and decrease in density provides insulation to the structural steel members against high temperatures and acts to delay or prevent structural failure in the event of a fire.

Available as water based and solvent based coatings, intumescent paints are quick to apply and provide a smooth and durable decorative finish  to structural steelwork in both internal and external locations. 

intumescent paint spraying

Key properties

Water based basecoat

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Up to 120 minutes fire protection

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Low VOC content

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Smooth matt finish

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Quick spray application

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Internal application

Solvent based basecoat

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Up to 120 minutes fire protection

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Single pack

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Quick spray application

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Smooth off-white finish

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Internal or semi-exposed application

Rapid-Cure

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Up to 120 minutes fire protection

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Two pack

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High build

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Fast curing

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1 hour weather resistance

Intumescent paint spraying case studies

"We have contracted Sprayzone for a few jobs now and have always found them easy to deal with."
speechbubble Intumescent Paint Spraying
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About

Professional spray painting services to transform and protect retail, commercial and industrial properties.

  • 10 - 25 year warranty available
  • Free survey
  • Free quote
  • Price promise
  • Quality guaranteed
  • Established 20+ years
  • Nationwide service

Services

We have been completing on-site spraying projects for over 20 years and have completed more than 20,000 spraying contracts throughout the UK.

Sprayzone Limited
Unit 6, Chancerygate Business Centre
Manor House Avenue
Southampton, Hampshire
SO15 0AE

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Registered in England under the England and Wales Companies Act 2006 | Registration No. 401 77 41

Request Intumescent quote

Contact details

Required information

Fire protection duration
Specify the required fire protection duration

Useful information

The following information is useful so that we can provide an accurate quote but is not required at this stage. If you do not have this info ready, please click on next and then submit the form at the end.

If you do not have the information to hand we will contact you with any questions that we have. You can see the list of useful information here.
Paint specification
If a particular paint manufacturer or product has been specified please let us know.
Environment
Ideally all steels will be located in a dry internal environment. Alternatively let us know if you will be providing fully sheeted scaffold to access external faces of steel.
Masking
Initial quotations will not include masking if not selected here. This is usually only required if adjacent surfaces are to be left exposed in the completed project.
Preparation
On new build projects the steels will typically arrive on site pre-primed and little preparation is required. Existing steels that have been either previously painted or are exhibiting rust will require extensive preparation. Please select the option you think is most likely to be the case.
Primer
This is typically applied prior to the steels arriving on site but we will need to know what primer has been used. If you know what primer has been used please let us know here and include a datasheet if you have one. Alternatively, galvanised steel will require primer so please let us know if this is the case.
Access
We don’t typically include for access at the initial quote stage as the site conditions are unknown (particularly if the building has not yet been built). If we are requested to include for access, this is typically for the internal surfaces and we would need to know the maximum height and whether the concrete floors have been installed. If the floors have been installed, we can either work from scissor lifts or mobile scaffold towers.
Building use
Please let us know what the end use of the building will be. This ensures that we can specify the correct paint system.
Topcoat
There are 2 main reasons that require a topcoat: to provide a decorative finish in a specific colour reference or to provide a protective coating to better withstand moisture. If you know that either of these are required, please let us know.
Finish
If your finish has been specified please let us know here.
Attachments
If you wish to attach fixings to the steelwork after the intumescent has been applied these will also require coating. Do you have any attachments that will require coating?

Useful information

Please note that our quotes cannot include items such as masking, access equipment, application of primer, application of topseal unless we have been given all possible information. We are happy to quote based on the structural steel sizes and drawings but there will be additional costs for these items should they be required. If you are able to provide all of this information we will be able to provide a more accurate quotation.
Acceptance
I understand that the information provided in this form will be used to provide me with a quote. Should further information be required I consent to being contacted by Sprayzone.

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