Zeroflame Aquasteel WB+

Zeroflame Aquasteel WB+ View larger
Typical Coverage (per coat)Refer to Table
Touch Dry2 hours
ApplicationBrush, Roller, Spray
The figures stated above are approximate. Please ensure you refer to all datasheets for full application information.

Aquasteel WB+ is an intumescent paint from Zeroflame that provides 30 and 60 minutes fire protection on standard steel sizes and profiles - quick & easy application, fast drying times, water based. Aquasteel WB+ is ideal for smaller jobs, easy to use with simplified coverage rates and certificate application.

Read Full Description

More details

£46.39 + VAT

Zeroflame continue to make things simpler

Zeroflame AquaSteel WB+ intumescent coating provides an easier and more efficient alternative to panelling steel members in plasterboard! Zeroflame have combined the ability to protect all standard steel sizes and profiles for both 30 and 60 minutes fire resistance in a single product. 

By creating AquaSteel WB+ they have taken away the time consuming process of gathering all details on the steel members and calculating the exact of amount of materials needed for each steel member. This makes things so much easier!

Zeroflame have also produced a topcoat for AquaSteel WB+, you can find their topcoat here.

Features & Benefits

  • Achieves both 1/2 hour and 1 hour fire resistance on structural steel
  • Suitable for use on all standard steel sizes and profiles
  • Tested to internationally accepted standards - BS476 Parts 20 & 21
  • Waterborne
  • Can be applied by brush, roller or air-less spray
  • Simple specification
  • Full specification and application details included on container label
  • Certificate application included with each container
  • Available in 2.5L, 5L and 10L sizes

Send us your question


How many coats of Zero flame required to steel beam? Beam has the normal dark pink coating applied. Thanks.

Nigel french from Brighton (England) - 20/09/17


The number of coats and spreading rate you need to apply will depend on the steels you have to protect and the level of fire protection you require. Download the Technical Data Sheet (TDS) from the 'DATASHEETS' tab on the product page for details.

For new un coated steel what is the best route. should i let the fabricators prime them in there normal red finish or use the Aquastel WB+ from the start?

ian from stafford (staffordshire) - 13/09/17

Zeroflame Aquasteel WB+ must NOT be applied to bare steel. All steel should be suitably primed before application. Zeroflame recommend Rust-Oleum 3369/3380 CombiPrimer Anti-Corrosion for bare mild steel and Zinsser Bulls Eye 1-2-3 after preparation.

Do you have to use a primer with Zeroflame Aquasteel WB+?

KJD from Evesham (UK) - 19/06/17

Steelwork to be coated with Zeroflame Aquasteel WB+ must be primed with an anti-corrosion primer suited to the intended environment of the building and applied to the manufacturer's specification with the exceptions that the Dry Film thickness does not exceed 100 microns and that thermoplastic, bitumen or chlorinated rubber coatings are not used. If the steel has been galvanised or coated with a zinc-rich primer, a suitable tie-coat should be applied. Consult Technical Department for advice.

Before applying Zeroflame Aquasteel WB+, patch prime any damaged areas and ensure the surface is dry, free from rust, oil grease, dust and other contaminants. Existing decorative finishes MUST be removed. 

What is a suitable primer for the Zeroflame Aquasteel WB+?

Hol from Swansea (UK) - 13/10/15

I have a CHS steel column in my kitchen which requires 30 minute protection. Can Zeroflame Aquasteel WB+ be overpainted with normal waterbased eggshell?

John Smith from Doncaster (UK) - 08/06/15

No. The spreading rate for 30 minute protection on a CHS (assuming it is made from steel at least 4mm thick) will be 0.4m² per litre. Once Zeroflame Aquasteel WB+ has been applied as required, if it is to remain visible in the property it must be overcoated with Zeroflame Aquasteel WB+ Finish, this is a water based eggshell finish that can be mixed to any RAL or BS colour.

Question about the product

I have read and agree to the Conditions of Use (read) Send

The question has been correctly sent

Free delivery on orders over £75 (terms & conditions)

• Deliveries will be made within 3 working days (standard delivery)
• You must be UK mainland based for the free delivery offer.
• Postcodes listed are excluded from the free delivery and priced below.

Please note: deliveries will need to be signed for at the point of delivery.

UK Mainland OnlyUp to £75.00£75.01 +
Standard (2/3 working days)£8.00FREE
Next Day£15.00£15.00
Next day before 09:00am£30.00£30.00
Next day before 10:30am£25.00£25.00
Next day before 12:00pm£20.00£20.00
Saturday Delivery£35.00£35.00

£25 (Standard 2-3 Day Delivery Only)

AB30, AB31, AB32, AB33, AB34, AB35, AB36, AB37, AB38, AB44, AB45, AB46, AB47, AB48, AB49, AB50, AB51, AB52, AB53, AB54, AB55, AB56, FK, G83, IV, KW1, KW2, KW3, KW4, KW5, KW6, KW7, KW8, KW9, KW10, KW11, KW12, KW13, KW14, PA, PH, HS, KA27, KA28, ZE

£35 (Standard 2-3 Day Delivery Only)


£50 (Standard 2-3 Day Delivery Only)


Please note that all carriage prices are quoted without V.A.T. at the current rate.

Scottish Islands - outside standard distribution area, please contact us for a quote.

There may be an exception for heavy goods when purchased in quantity where we will contact you to advise any additional charges.

Next Day delivery and Saturday Service is available on stocked items for orders received before 11:00am only.

Because of the nature of our products, we use specially selected carriers to ensure safe and prompt delivery to you.

Please note: Any time or date named by Rawlins Paints Limited for delivery is given and intended as an estimate only and Rawlins Paints Limited shall not be liable to make good any damage or loss whether arising directly or indirectly out of a delay in delivery. Deliveries are made using a reliable nationwide carrier. Although over 99% of consignments arrive on time, we recommend that no labour is employed to undertake work until materials have arrived on site.

Zeroflame Aquasteel WB+ TDS


Zeroflame Aquasteel WB+ MSDS

Whilst every effort is made to ensure our data sheets are up to date, we advise you check the latest revision directly with the manufacturer to ensure you have the most current version.
E J Rawlins & Co. Ltd trading as Rawlins Paints make available product data sheets and information in good faith but without warranty. We do not accept liability for any errors or omissions contained within the data sheets or any outdated versions.