Envirograf EP/FS/P Water-Based Primer for Steel

Product 83 - EP/FS/P

Unfortunately, we no longer stock this product. Thermoguard Steel Fire Paint Primer may be a great alternative to consider, however you must contact us to confirm suitability prior to purchase/use.

Please contact our technical team on 0113 2455450 (option 2) or send a message to [email protected] to confirm suitability for your project and get 10% off.



Envirograf EP/FS/P Water-Based Primer for Steel is a red water based primer for use on internal and external steelwork under Envirograf Intumescent steel paint.

The air-drying water-based primer can be applied over bare, previously painted or galvanised steel after removal of loose particles and dust.

Part of the Intumescent Coating for Steel & Aluminium Protection range.

This product contains anti-corrosion additives which prevent the spread of rust on metal. It also contains flash rust inhibitors.

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Product Specifications

  • Water based polymer system with corrosion inhibitors
  • Specific Gravity: 1.36 – 1.41
  • Tack Free Time: 15 – 30 Minutes
  • Colour: Red
  • Can be stored for up to 12 months unopened in its original packaging
  • Store Between +5℃ to + 30℃
  • Protect from frost


Steel does not require shot-blasting.

Clean with wire brush.

Ensure that the surface is dry, clean and free from dust.

Wash with detergent water.

Slightly abrade any top coat to provide a key for the primer.


Envirograf EP/FS/P can be applied using brush, roller or spray at a rate of 8 - 10 m² per litre.

Do not thin – use straight from the tin. However if applying by spray up to 10% water may be added. Drying time is approximately 30 minutes according to temperature.

After one hour apply EP/FS/IN intumescent coating (see the relevant application sheet).

Clean tools and spillages with warm water. Keep containers tightly closed and protect from frost.

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. 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.

Any Envirograf products to be used in or for Harrods department store should be authorised with our Technical Team prior to purchase.

Product Details
Product 83 - EP/FS/P

Data sheet

Base Type
Interior/Exterior Use
Interior & exterior
Suitable Substrates
bare, previously painted or galvanised steel
Brush, Roller, Spray
8 - 10 m² per litre
8 - 10 m² per litre
Recommended Thinner/Cleaner
Up to 10% water if spraying
Compatible Topcoats
Shelf Life (from date of manufacture)
12 months
Touch Dry
15 – 30 Minutes

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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