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How to Guide: Revamping of Exterior Walls/Plaster Repairs

Planning & Preparation

As with all work carried out planning and preparing your substrate is essential to ensure a high- quality finish.

  • The surface of application needs to be solid, consistent and clean from oil, grease and any other loose or contaminating materials which may inhibit adhesion. This can be done using a brush.
  • After cleaning the surface if any previously hidden problems come to light, then treat these first (for example: mould).

Before using Racem White always treat the surface with an application of Raprimer.

Application

  • Check the information data sheets or instructions on R.A & Sons website for the correct mix for each product. In the case of Racem White, add approximately 5.5 to 6.0 L of clean water with every 25Kg bag of Racem White and mix well in a mixer by hand or mechanical mixer.
  • Apply with a trowel. Leave to dry for at least 48 hours depending on weather conditions and humidity.
  • Apply the Primer again and leave to dry before painting. Racem White is to be applied at a minimum thickness of 1cm and levelled with a long aluminium guide or spatula. Whilst still in he drying stage you can scratch the surface with the proper tools in order to prepare the surface for the application of finishing products such as tile glue.
  • Paint using one of our range of interior/exterior paints.

PRIMER TIPS

Always remember to use the right Primer for the right product:

RAPRIMER FOR QUARTZ & PAINTS

SILOXANE PRIMER FOR SILOXANE PAINT

SILICATE PRIMER FOR SLICIATE COVER

R.A & Sons Products suitable for this task:

This month's Products:

Each month in 2025, R.A. & Sons Manufacturing will support a different foundation by donating a percentage of profits from selected products. The products will change each month. In January, proceeds from the products below will benefit the Oasi Foundation, helping to support their work. This initiative allows customers to contribute to meaningful causes throughout the year while enjoying quality products.

The Colours of Malta

Introducing the Colours of Malta Calendar 2025

Experience the vibrant journey of compassion and community with the Colours of Malta Calendar 2025, presented by R.A. & Sons Manufacturing. This calendar highlights Malta's rich cultural heritage while featuring a different charitable cause each month. Join us in supporting local foundations and inspiring awareness throughout the year. Discover the stories behind each cause and find meaningful ways to contribute!

Donations

Each Month

Throughout 2025, R.A. & Sons Manufacturing is committed to giving back by donating a percentage of profits from selected products each month. This initiative aligns with our mission to support local charities and foster community well-being. By choosing these products, you not only invest in high-quality building materials, but you also contribute to meaningful causes that make a tangible difference in our society. Join us in making a positive impact while enjoying the best of what R.A. & Sons has to offer!

Disclaimer

Whilst every effort has been taken to confirm the accuracy of the information presented in this article, R.A. & Sons Ltd and R.A. & Sons Manufacturing Ltd cannot be held responsible for errors and / or omissions or for any direct or indirect consequences resulting from the use and application of its products.

The company expressly disclaims any and all liability as to any results obtained or arising from any use of its products or reliance on such information; no warranty of fitness for any particular purpose or any other warranty, expressed or implied, is made concerning the goods described or the information provided herein.

If you have any questions please contact us here.

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