Remmers S-Protect M (Rust Inhibitor M)


Remmers S-Protect M (formerly Rust Inhibitor M) is an additive for the production of a durable corrosion inhibiting coating made with Betofix RM or Betofix R2.

  • For use indoors and outdoors
  • Active anti-rust pigments
  • Highly water-repellent
  • Alkali-resistant
This product is subject to a 14-21 working day extended lead time.
£22.20 Incl. VAT
Please choose your colour
The Product may be Subject to Extended Lead Times


Remmers S-Protect M (formerly Rust Inhibitor M) is an additive for the production of a durable corrosion inhibiting coating made with Betofix RM or Betofix R2. Remmers S-Protect M is a corrosion inhibiting additive for open or exposed steel reinforcement and other steel parts when restoring concrete. S-Protect M is a highly water repelling, alkali resistant, polymer dispersion modified with active rust inhibitors.

Surface Preparation

  • Ensure the substrate is clean, dust-free and capable of supporting a load.
  • Expose all steel parts, derust to a degree of purity of SA 2½.

Mixing Instructions

Pour 1 part per weight S-Protect M (part. 0919) in a clean container and add approx. 2.5 parts per weight of the product. Mix thoroughly for approximately 3 minutes until the proper consistency for working has been achieved.

Conditions For Use

  • Temperature of the material, air and substrate: from min. +5°C to max. +30°C.
  • Low temperatures increase, while high temperatures decrease the working and setting time.

Working time (+20°C)

Approx. 30 minutes.


  • Apply to layers of grout with a thickness of 1 mm each making sure the entire surface is covered.
  • Waiting time between layers: approx. 30 minutes.
  • Follow-up work must be carried out wet ond wet.

Note: Once it has hardened, mortar must not be made workable again by adding either water or more wet mortar.


Clean tools with water while the material is still fresh.


If stored in an unopened container and in a dry place, the product will keep for approx. 12 months.

Please contact Rawlins Paints' Technical Support Team on 0113 2455450 (option 2) or send a message to [email protected] for more information.

Product Details

Data sheet

Interior/Exterior Use
Suitable Substrates
Pot Life (at 20°C)
30 minutes
0.9kg per m²
Recommended Thinner/Cleaner
Water (cleaner)
Max. Application Temperature
Min. Application Temperature
Shelf Life (from date of manufacture)
12 months
UN Number

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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